./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f9a2fcb1012f2ff72c6593976c4936a90359f50 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:01:41,294 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:01:41,296 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:01:41,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:01:41,305 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:01:41,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:01:41,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:01:41,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:01:41,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:01:41,309 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:01:41,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:01:41,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:01:41,311 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:01:41,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:01:41,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:01:41,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:01:41,313 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:01:41,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:01:41,315 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:01:41,316 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:01:41,317 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:01:41,318 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:01:41,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:01:41,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:01:41,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:01:41,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:01:41,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:01:41,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:01:41,322 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:01:41,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:01:41,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:01:41,323 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:01:41,323 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:01:41,323 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:01:41,324 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:01:41,324 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:01:41,324 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:01:41,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:01:41,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:01:41,335 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:01:41,335 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:01:41,336 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:01:41,336 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:01:41,336 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:01:41,336 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:01:41,336 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:01:41,337 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:01:41,338 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:01:41,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:01:41,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:01:41,338 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:01:41,338 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:01:41,338 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:01:41,338 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:01:41,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:01:41,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:01:41,339 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:01:41,339 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:01:41,339 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:01:41,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:01:41,339 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/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(__VERIFIER_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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2018-11-28 13:01:41,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:01:41,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:01:41,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:01:41,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:01:41,375 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:01:41,376 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-28 13:01:41,423 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/data/394c4dc04/a691538f6736465492756c1d670f4539/FLAG965a9d5f5 [2018-11-28 13:01:41,828 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:01:41,829 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-11-28 13:01:41,838 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/data/394c4dc04/a691538f6736465492756c1d670f4539/FLAG965a9d5f5 [2018-11-28 13:01:42,194 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/data/394c4dc04/a691538f6736465492756c1d670f4539 [2018-11-28 13:01:42,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:01:42,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:01:42,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:01:42,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:01:42,201 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:01:42,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e64dc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42, skipping insertion in model container [2018-11-28 13:01:42,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:01:42,243 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:01:42,488 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:01:42,492 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:01:42,629 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:01:42,638 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:01:42,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42 WrapperNode [2018-11-28 13:01:42,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:01:42,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:01:42,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:01:42,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:01:42,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:01:42,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:01:42,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:01:42,665 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:01:42,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... [2018-11-28 13:01:42,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:01:42,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:01:42,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:01:42,721 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:01:42,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/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 [2018-11-28 13:01:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:01:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:01:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 13:01:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 13:01:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:01:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:01:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:01:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:01:43,937 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:01:43,939 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:01:43,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:01:43 BoogieIcfgContainer [2018-11-28 13:01:43,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:01:43,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:01:43,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:01:43,943 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:01:43,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:01:42" (1/3) ... [2018-11-28 13:01:43,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3010b254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:01:43, skipping insertion in model container [2018-11-28 13:01:43,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:42" (2/3) ... [2018-11-28 13:01:43,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3010b254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:01:43, skipping insertion in model container [2018-11-28 13:01:43,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:01:43" (3/3) ... [2018-11-28 13:01:43,946 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-11-28 13:01:43,955 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:01:43,962 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:01:43,977 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:01:44,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:01:44,006 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:01:44,007 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:01:44,007 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:01:44,007 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:01:44,007 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:01:44,007 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:01:44,007 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:01:44,008 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:01:44,029 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-28 13:01:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 13:01:44,036 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:44,037 INFO L402 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] [2018-11-28 13:01:44,039 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:44,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:44,044 INFO L82 PathProgramCache]: Analyzing trace with hash 844393866, now seen corresponding path program 1 times [2018-11-28 13:01:44,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:44,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:44,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:44,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:44,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:01:44,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:44,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:01:44,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:01:44,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:01:44,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:01:44,307 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-11-28 13:01:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:45,447 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-11-28 13:01:45,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:01:45,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-11-28 13:01:45,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:45,463 INFO L225 Difference]: With dead ends: 890 [2018-11-28 13:01:45,463 INFO L226 Difference]: Without dead ends: 554 [2018-11-28 13:01:45,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:01:45,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-28 13:01:45,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 372. [2018-11-28 13:01:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-28 13:01:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 524 transitions. [2018-11-28 13:01:45,516 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 524 transitions. Word has length 53 [2018-11-28 13:01:45,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:45,516 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 524 transitions. [2018-11-28 13:01:45,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:01:45,516 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2018-11-28 13:01:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-28 13:01:45,520 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:45,520 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:01:45,521 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:45,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:45,521 INFO L82 PathProgramCache]: Analyzing trace with hash -678591331, now seen corresponding path program 1 times [2018-11-28 13:01:45,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:45,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:45,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:45,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:45,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:01:45,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:45,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:01:45,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:01:45,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:01:45,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:01:45,656 INFO L87 Difference]: Start difference. First operand 372 states and 524 transitions. Second operand 4 states. [2018-11-28 13:01:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:46,345 INFO L93 Difference]: Finished difference Result 1466 states and 2090 transitions. [2018-11-28 13:01:46,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:01:46,345 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-11-28 13:01:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:46,348 INFO L225 Difference]: With dead ends: 1466 [2018-11-28 13:01:46,349 INFO L226 Difference]: Without dead ends: 736 [2018-11-28 13:01:46,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:01:46,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-11-28 13:01:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 554. [2018-11-28 13:01:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-28 13:01:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 808 transitions. [2018-11-28 13:01:46,370 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 808 transitions. Word has length 136 [2018-11-28 13:01:46,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:46,371 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 808 transitions. [2018-11-28 13:01:46,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:01:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 808 transitions. [2018-11-28 13:01:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-28 13:01:46,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:46,375 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 13:01:46,375 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:46,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:46,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1936926174, now seen corresponding path program 1 times [2018-11-28 13:01:46,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:46,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:46,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:46,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:46,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-28 13:01:46,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:01:46,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:01:46,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:01:46,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:01:46,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:01:46,529 INFO L87 Difference]: Start difference. First operand 554 states and 808 transitions. Second operand 4 states. [2018-11-28 13:01:47,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:47,280 INFO L93 Difference]: Finished difference Result 2194 states and 3267 transitions. [2018-11-28 13:01:47,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:01:47,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2018-11-28 13:01:47,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:47,288 INFO L225 Difference]: With dead ends: 2194 [2018-11-28 13:01:47,288 INFO L226 Difference]: Without dead ends: 1646 [2018-11-28 13:01:47,290 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:01:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-11-28 13:01:47,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2018-11-28 13:01:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2018-11-28 13:01:47,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2269 transitions. [2018-11-28 13:01:47,325 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2269 transitions. Word has length 221 [2018-11-28 13:01:47,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:47,326 INFO L480 AbstractCegarLoop]: Abstraction has 1646 states and 2269 transitions. [2018-11-28 13:01:47,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:01:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2269 transitions. [2018-11-28 13:01:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-28 13:01:47,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:47,333 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 13:01:47,334 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:47,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:47,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1963321077, now seen corresponding path program 1 times [2018-11-28 13:01:47,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:47,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:47,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:47,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:47,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 13:01:47,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:01:47,588 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:01:47,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:47,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:01:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-28 13:01:47,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:01:47,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2018-11-28 13:01:47,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:01:47,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:01:47,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:01:47,907 INFO L87 Difference]: Start difference. First operand 1646 states and 2269 transitions. Second operand 10 states. [2018-11-28 13:01:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:49,880 INFO L93 Difference]: Finished difference Result 3790 states and 5590 transitions. [2018-11-28 13:01:49,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 13:01:49,880 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 316 [2018-11-28 13:01:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:49,889 INFO L225 Difference]: With dead ends: 3790 [2018-11-28 13:01:49,889 INFO L226 Difference]: Without dead ends: 2150 [2018-11-28 13:01:49,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2018-11-28 13:01:49,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2018-11-28 13:01:49,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 1510. [2018-11-28 13:01:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1510 states. [2018-11-28 13:01:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2023 transitions. [2018-11-28 13:01:49,941 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2023 transitions. Word has length 316 [2018-11-28 13:01:49,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:49,941 INFO L480 AbstractCegarLoop]: Abstraction has 1510 states and 2023 transitions. [2018-11-28 13:01:49,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:01:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2023 transitions. [2018-11-28 13:01:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-28 13:01:49,946 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:49,946 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:01:49,946 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:49,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:49,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1749322399, now seen corresponding path program 1 times [2018-11-28 13:01:49,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:49,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:49,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:49,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:49,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 143 proven. 191 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-28 13:01:50,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:01:50,121 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:01:50,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:50,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:01:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 356 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-28 13:01:50,307 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:01:50,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 13:01:50,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:01:50,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:01:50,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:01:50,308 INFO L87 Difference]: Start difference. First operand 1510 states and 2023 transitions. Second operand 9 states. [2018-11-28 13:01:51,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:51,236 INFO L93 Difference]: Finished difference Result 3830 states and 5499 transitions. [2018-11-28 13:01:51,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:01:51,237 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 392 [2018-11-28 13:01:51,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:51,248 INFO L225 Difference]: With dead ends: 3830 [2018-11-28 13:01:51,249 INFO L226 Difference]: Without dead ends: 2326 [2018-11-28 13:01:51,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 395 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:01:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2018-11-28 13:01:51,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2270. [2018-11-28 13:01:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2018-11-28 13:01:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2953 transitions. [2018-11-28 13:01:51,309 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2953 transitions. Word has length 392 [2018-11-28 13:01:51,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:51,309 INFO L480 AbstractCegarLoop]: Abstraction has 2270 states and 2953 transitions. [2018-11-28 13:01:51,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:01:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2953 transitions. [2018-11-28 13:01:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-28 13:01:51,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:51,318 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 13:01:51,318 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:51,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:51,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1345982802, now seen corresponding path program 1 times [2018-11-28 13:01:51,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:51,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:51,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:51,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:51,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 231 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:01:52,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:01:52,131 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:01:52,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:52,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:01:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-28 13:01:52,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:01:52,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-11-28 13:01:52,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-28 13:01:52,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-28 13:01:52,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-28 13:01:52,345 INFO L87 Difference]: Start difference. First operand 2270 states and 2953 transitions. Second operand 22 states. [2018-11-28 13:01:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:01:58,413 INFO L93 Difference]: Finished difference Result 6416 states and 9169 transitions. [2018-11-28 13:01:58,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-11-28 13:01:58,413 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 425 [2018-11-28 13:01:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:01:58,434 INFO L225 Difference]: With dead ends: 6416 [2018-11-28 13:01:58,434 INFO L226 Difference]: Without dead ends: 4152 [2018-11-28 13:01:58,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2979 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1497, Invalid=7623, Unknown=0, NotChecked=0, Total=9120 [2018-11-28 13:01:58,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4152 states. [2018-11-28 13:01:58,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4152 to 3770. [2018-11-28 13:01:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3770 states. [2018-11-28 13:01:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 4743 transitions. [2018-11-28 13:01:58,558 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 4743 transitions. Word has length 425 [2018-11-28 13:01:58,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:01:58,558 INFO L480 AbstractCegarLoop]: Abstraction has 3770 states and 4743 transitions. [2018-11-28 13:01:58,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-28 13:01:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 4743 transitions. [2018-11-28 13:01:58,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2018-11-28 13:01:58,576 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:01:58,577 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:01:58,577 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:01:58,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:01:58,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1034685810, now seen corresponding path program 1 times [2018-11-28 13:01:58,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:01:58,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:01:58,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:58,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:58,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:01:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 324 proven. 570 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-11-28 13:01:59,454 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:01:59,454 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:01:59,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:01:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:01:59,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:01:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 959 proven. 2 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-28 13:01:59,953 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:01:59,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-11-28 13:01:59,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 13:01:59,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 13:01:59,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:01:59,954 INFO L87 Difference]: Start difference. First operand 3770 states and 4743 transitions. Second operand 17 states. [2018-11-28 13:02:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:02,801 INFO L93 Difference]: Finished difference Result 8641 states and 11035 transitions. [2018-11-28 13:02:02,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-28 13:02:02,801 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 679 [2018-11-28 13:02:02,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:02,814 INFO L225 Difference]: With dead ends: 8641 [2018-11-28 13:02:02,814 INFO L226 Difference]: Without dead ends: 4928 [2018-11-28 13:02:02,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=550, Invalid=2530, Unknown=0, NotChecked=0, Total=3080 [2018-11-28 13:02:02,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4928 states. [2018-11-28 13:02:02,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4928 to 4692. [2018-11-28 13:02:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4692 states. [2018-11-28 13:02:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 5419 transitions. [2018-11-28 13:02:02,924 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 5419 transitions. Word has length 679 [2018-11-28 13:02:02,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:02,924 INFO L480 AbstractCegarLoop]: Abstraction has 4692 states and 5419 transitions. [2018-11-28 13:02:02,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 13:02:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 5419 transitions. [2018-11-28 13:02:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2018-11-28 13:02:02,951 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:02,951 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:02,951 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:02,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:02,952 INFO L82 PathProgramCache]: Analyzing trace with hash 2003215569, now seen corresponding path program 1 times [2018-11-28 13:02:02,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:02,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:02,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:02,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:02,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 640 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-11-28 13:02:03,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:03,564 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:03,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:03,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 1325 proven. 2 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-11-28 13:02:03,983 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:03,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 13:02:03,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:02:03,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:02:03,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:02:03,984 INFO L87 Difference]: Start difference. First operand 4692 states and 5419 transitions. Second operand 7 states. [2018-11-28 13:02:05,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:05,087 INFO L93 Difference]: Finished difference Result 11492 states and 14477 transitions. [2018-11-28 13:02:05,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 13:02:05,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 798 [2018-11-28 13:02:05,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:05,113 INFO L225 Difference]: With dead ends: 11492 [2018-11-28 13:02:05,113 INFO L226 Difference]: Without dead ends: 6988 [2018-11-28 13:02:05,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 803 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:02:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6988 states. [2018-11-28 13:02:05,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6988 to 6756. [2018-11-28 13:02:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6756 states. [2018-11-28 13:02:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6756 states to 6756 states and 7848 transitions. [2018-11-28 13:02:05,291 INFO L78 Accepts]: Start accepts. Automaton has 6756 states and 7848 transitions. Word has length 798 [2018-11-28 13:02:05,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:05,291 INFO L480 AbstractCegarLoop]: Abstraction has 6756 states and 7848 transitions. [2018-11-28 13:02:05,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:02:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 6756 states and 7848 transitions. [2018-11-28 13:02:05,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2018-11-28 13:02:05,305 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:05,305 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:05,306 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:05,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:05,306 INFO L82 PathProgramCache]: Analyzing trace with hash 2102422553, now seen corresponding path program 1 times [2018-11-28 13:02:05,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:05,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:05,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:05,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 520 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-11-28 13:02:06,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:06,048 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:06,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:06,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 1358 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2018-11-28 13:02:06,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:06,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-11-28 13:02:06,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:02:06,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:02:06,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:02:06,466 INFO L87 Difference]: Start difference. First operand 6756 states and 7848 transitions. Second operand 7 states. [2018-11-28 13:02:07,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:07,143 INFO L93 Difference]: Finished difference Result 13324 states and 15508 transitions. [2018-11-28 13:02:07,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:02:07,143 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 858 [2018-11-28 13:02:07,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:07,156 INFO L225 Difference]: With dead ends: 13324 [2018-11-28 13:02:07,157 INFO L226 Difference]: Without dead ends: 6756 [2018-11-28 13:02:07,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 862 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:02:07,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2018-11-28 13:02:07,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6572. [2018-11-28 13:02:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6572 states. [2018-11-28 13:02:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 7408 transitions. [2018-11-28 13:02:07,242 INFO L78 Accepts]: Start accepts. Automaton has 6572 states and 7408 transitions. Word has length 858 [2018-11-28 13:02:07,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:07,242 INFO L480 AbstractCegarLoop]: Abstraction has 6572 states and 7408 transitions. [2018-11-28 13:02:07,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:02:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 6572 states and 7408 transitions. [2018-11-28 13:02:07,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2018-11-28 13:02:07,251 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:07,252 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 13:02:07,252 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:07,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:07,253 INFO L82 PathProgramCache]: Analyzing trace with hash 269621054, now seen corresponding path program 1 times [2018-11-28 13:02:07,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:07,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:07,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:07,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:07,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 856 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-11-28 13:02:07,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:07,717 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:07,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:07,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 1763 proven. 2 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2018-11-28 13:02:08,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:08,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 13:02:08,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:02:08,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:02:08,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:02:08,234 INFO L87 Difference]: Start difference. First operand 6572 states and 7408 transitions. Second operand 7 states. [2018-11-28 13:02:08,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:08,877 INFO L93 Difference]: Finished difference Result 13116 states and 14885 transitions. [2018-11-28 13:02:08,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 13:02:08,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 957 [2018-11-28 13:02:08,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:08,889 INFO L225 Difference]: With dead ends: 13116 [2018-11-28 13:02:08,889 INFO L226 Difference]: Without dead ends: 6732 [2018-11-28 13:02:08,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 973 GetRequests, 962 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:02:08,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6732 states. [2018-11-28 13:02:09,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6732 to 6536. [2018-11-28 13:02:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6536 states. [2018-11-28 13:02:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 7380 transitions. [2018-11-28 13:02:09,015 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 7380 transitions. Word has length 957 [2018-11-28 13:02:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:09,016 INFO L480 AbstractCegarLoop]: Abstraction has 6536 states and 7380 transitions. [2018-11-28 13:02:09,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:02:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 7380 transitions. [2018-11-28 13:02:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2018-11-28 13:02:09,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:09,033 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:09,033 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:09,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:09,033 INFO L82 PathProgramCache]: Analyzing trace with hash 642765001, now seen corresponding path program 1 times [2018-11-28 13:02:09,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:09,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:09,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:09,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:09,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 1598 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-11-28 13:02:09,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:09,693 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:09,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:09,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 2397 proven. 6 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2018-11-28 13:02:10,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:10,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-11-28 13:02:10,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:02:10,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:02:10,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:02:10,365 INFO L87 Difference]: Start difference. First operand 6536 states and 7380 transitions. Second operand 9 states. [2018-11-28 13:02:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:11,447 INFO L93 Difference]: Finished difference Result 14734 states and 16701 transitions. [2018-11-28 13:02:11,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 13:02:11,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1132 [2018-11-28 13:02:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:11,463 INFO L225 Difference]: With dead ends: 14734 [2018-11-28 13:02:11,463 INFO L226 Difference]: Without dead ends: 8386 [2018-11-28 13:02:11,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1136 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:02:11,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8386 states. [2018-11-28 13:02:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8386 to 8010. [2018-11-28 13:02:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8010 states. [2018-11-28 13:02:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8010 states to 8010 states and 9046 transitions. [2018-11-28 13:02:11,587 INFO L78 Accepts]: Start accepts. Automaton has 8010 states and 9046 transitions. Word has length 1132 [2018-11-28 13:02:11,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:11,587 INFO L480 AbstractCegarLoop]: Abstraction has 8010 states and 9046 transitions. [2018-11-28 13:02:11,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:02:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8010 states and 9046 transitions. [2018-11-28 13:02:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2018-11-28 13:02:11,607 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:11,607 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:11,608 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:11,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:11,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1227148822, now seen corresponding path program 1 times [2018-11-28 13:02:11,608 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:11,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:11,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:11,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:11,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 1326 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-11-28 13:02:13,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:13,249 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:13,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:13,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 2281 proven. 2 refuted. 0 times theorem prover too weak. 2793 trivial. 0 not checked. [2018-11-28 13:02:14,046 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:14,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-28 13:02:14,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 13:02:14,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 13:02:14,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:02:14,047 INFO L87 Difference]: Start difference. First operand 8010 states and 9046 transitions. Second operand 17 states. [2018-11-28 13:02:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:16,645 INFO L93 Difference]: Finished difference Result 15890 states and 17986 transitions. [2018-11-28 13:02:16,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-28 13:02:16,645 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1283 [2018-11-28 13:02:16,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:16,655 INFO L225 Difference]: With dead ends: 15890 [2018-11-28 13:02:16,656 INFO L226 Difference]: Without dead ends: 8068 [2018-11-28 13:02:16,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=552, Invalid=2204, Unknown=0, NotChecked=0, Total=2756 [2018-11-28 13:02:16,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2018-11-28 13:02:16,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 8006. [2018-11-28 13:02:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8006 states. [2018-11-28 13:02:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8006 states to 8006 states and 8984 transitions. [2018-11-28 13:02:16,779 INFO L78 Accepts]: Start accepts. Automaton has 8006 states and 8984 transitions. Word has length 1283 [2018-11-28 13:02:16,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:16,780 INFO L480 AbstractCegarLoop]: Abstraction has 8006 states and 8984 transitions. [2018-11-28 13:02:16,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 13:02:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 8006 states and 8984 transitions. [2018-11-28 13:02:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1488 [2018-11-28 13:02:16,795 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:16,795 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:16,795 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:16,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:16,796 INFO L82 PathProgramCache]: Analyzing trace with hash 2134731010, now seen corresponding path program 1 times [2018-11-28 13:02:16,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:16,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:16,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:16,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:16,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 1181 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-11-28 13:02:19,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:19,038 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:19,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:19,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 3902 proven. 2 refuted. 0 times theorem prover too weak. 2536 trivial. 0 not checked. [2018-11-28 13:02:19,938 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:19,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-28 13:02:19,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 13:02:19,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 13:02:19,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:02:19,940 INFO L87 Difference]: Start difference. First operand 8006 states and 8984 transitions. Second operand 19 states. [2018-11-28 13:02:23,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:23,530 INFO L93 Difference]: Finished difference Result 16084 states and 19274 transitions. [2018-11-28 13:02:23,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-11-28 13:02:23,531 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1487 [2018-11-28 13:02:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:23,552 INFO L225 Difference]: With dead ends: 16084 [2018-11-28 13:02:23,553 INFO L226 Difference]: Without dead ends: 8266 [2018-11-28 13:02:23,564 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1584 GetRequests, 1520 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=849, Invalid=3183, Unknown=0, NotChecked=0, Total=4032 [2018-11-28 13:02:23,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8266 states. [2018-11-28 13:02:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8266 to 7826. [2018-11-28 13:02:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7826 states. [2018-11-28 13:02:23,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 8623 transitions. [2018-11-28 13:02:23,728 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 8623 transitions. Word has length 1487 [2018-11-28 13:02:23,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:23,728 INFO L480 AbstractCegarLoop]: Abstraction has 7826 states and 8623 transitions. [2018-11-28 13:02:23,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 13:02:23,728 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 8623 transitions. [2018-11-28 13:02:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1606 [2018-11-28 13:02:23,742 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:23,743 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:23,743 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:23,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:23,743 INFO L82 PathProgramCache]: Analyzing trace with hash 888570278, now seen corresponding path program 1 times [2018-11-28 13:02:23,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:23,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:23,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:23,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:23,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 1656 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-11-28 13:02:25,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:25,589 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:25,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:25,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 2894 proven. 2 refuted. 0 times theorem prover too weak. 4785 trivial. 0 not checked. [2018-11-28 13:02:26,624 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:26,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-28 13:02:26,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 13:02:26,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 13:02:26,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-11-28 13:02:26,626 INFO L87 Difference]: Start difference. First operand 7826 states and 8623 transitions. Second operand 17 states. [2018-11-28 13:02:29,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:29,466 INFO L93 Difference]: Finished difference Result 15478 states and 17074 transitions. [2018-11-28 13:02:29,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-28 13:02:29,467 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1605 [2018-11-28 13:02:29,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:29,480 INFO L225 Difference]: With dead ends: 15478 [2018-11-28 13:02:29,480 INFO L226 Difference]: Without dead ends: 7840 [2018-11-28 13:02:29,488 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1677 GetRequests, 1628 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=478, Invalid=2072, Unknown=0, NotChecked=0, Total=2550 [2018-11-28 13:02:29,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7840 states. [2018-11-28 13:02:29,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7840 to 7822. [2018-11-28 13:02:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7822 states. [2018-11-28 13:02:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7822 states to 7822 states and 8570 transitions. [2018-11-28 13:02:29,593 INFO L78 Accepts]: Start accepts. Automaton has 7822 states and 8570 transitions. Word has length 1605 [2018-11-28 13:02:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:29,593 INFO L480 AbstractCegarLoop]: Abstraction has 7822 states and 8570 transitions. [2018-11-28 13:02:29,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 13:02:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 7822 states and 8570 transitions. [2018-11-28 13:02:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1823 [2018-11-28 13:02:29,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:29,613 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 9, 9, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:29,613 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:29,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:29,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1822319605, now seen corresponding path program 1 times [2018-11-28 13:02:29,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:29,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:29,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:29,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:29,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 2004 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-11-28 13:02:32,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:32,232 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:32,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:32,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 4409 proven. 6 refuted. 0 times theorem prover too weak. 5938 trivial. 0 not checked. [2018-11-28 13:02:33,366 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:33,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-28 13:02:33,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 13:02:33,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 13:02:33,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-11-28 13:02:33,368 INFO L87 Difference]: Start difference. First operand 7822 states and 8570 transitions. Second operand 16 states. [2018-11-28 13:02:35,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:35,918 INFO L93 Difference]: Finished difference Result 15699 states and 17541 transitions. [2018-11-28 13:02:35,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-28 13:02:35,918 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1822 [2018-11-28 13:02:35,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:35,927 INFO L225 Difference]: With dead ends: 15699 [2018-11-28 13:02:35,927 INFO L226 Difference]: Without dead ends: 8001 [2018-11-28 13:02:35,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1908 GetRequests, 1860 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=479, Invalid=1971, Unknown=0, NotChecked=0, Total=2450 [2018-11-28 13:02:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states. [2018-11-28 13:02:36,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 7626. [2018-11-28 13:02:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7626 states. [2018-11-28 13:02:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 8260 transitions. [2018-11-28 13:02:36,033 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 8260 transitions. Word has length 1822 [2018-11-28 13:02:36,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:36,033 INFO L480 AbstractCegarLoop]: Abstraction has 7626 states and 8260 transitions. [2018-11-28 13:02:36,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 13:02:36,034 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 8260 transitions. [2018-11-28 13:02:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1863 [2018-11-28 13:02:36,051 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:36,051 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:36,052 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:36,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -540237935, now seen corresponding path program 1 times [2018-11-28 13:02:36,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:36,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:36,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:36,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:36,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 2136 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-11-28 13:02:37,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:02:37,386 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:02:37,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:37,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:02:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 4386 proven. 2 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2018-11-28 13:02:38,568 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:02:38,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-28 13:02:38,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:02:38,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:02:38,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:02:38,570 INFO L87 Difference]: Start difference. First operand 7626 states and 8260 transitions. Second operand 11 states. [2018-11-28 13:02:40,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:40,050 INFO L93 Difference]: Finished difference Result 15628 states and 16974 transitions. [2018-11-28 13:02:40,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-28 13:02:40,050 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1862 [2018-11-28 13:02:40,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:40,055 INFO L225 Difference]: With dead ends: 15628 [2018-11-28 13:02:40,056 INFO L226 Difference]: Without dead ends: 4624 [2018-11-28 13:02:40,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1904 GetRequests, 1875 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=224, Invalid=646, Unknown=0, NotChecked=0, Total=870 [2018-11-28 13:02:40,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2018-11-28 13:02:40,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4074. [2018-11-28 13:02:40,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4074 states. [2018-11-28 13:02:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 4178 transitions. [2018-11-28 13:02:40,112 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 4178 transitions. Word has length 1862 [2018-11-28 13:02:40,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:40,113 INFO L480 AbstractCegarLoop]: Abstraction has 4074 states and 4178 transitions. [2018-11-28 13:02:40,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:02:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 4178 transitions. [2018-11-28 13:02:40,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2018-11-28 13:02:40,129 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:02:40,129 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:02:40,130 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:02:40,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:02:40,130 INFO L82 PathProgramCache]: Analyzing trace with hash -2043261290, now seen corresponding path program 1 times [2018-11-28 13:02:40,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:02:40,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:02:40,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:40,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:02:40,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:02:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:02:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 11762 backedges. 732 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-11-28 13:02:41,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:02:41,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:02:41,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:02:41,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:02:41,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:02:41,315 INFO L87 Difference]: Start difference. First operand 4074 states and 4178 transitions. Second operand 3 states. [2018-11-28 13:02:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:02:41,566 INFO L93 Difference]: Finished difference Result 7954 states and 8163 transitions. [2018-11-28 13:02:41,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:02:41,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1937 [2018-11-28 13:02:41,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:02:41,567 INFO L225 Difference]: With dead ends: 7954 [2018-11-28 13:02:41,567 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:02:41,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:02:41,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:02:41,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:02:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:02:41,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:02:41,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1937 [2018-11-28 13:02:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:02:41,572 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:02:41,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:02:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:02:41,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:02:41,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:02:41,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:41,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:42,995 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 834 DAG size of output: 717 [2018-11-28 13:02:43,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:43,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:02:44,073 WARN L180 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 834 DAG size of output: 717 [2018-11-28 13:02:45,408 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 333 DAG size of output: 104 [2018-11-28 13:02:48,214 WARN L180 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 722 DAG size of output: 104 [2018-11-28 13:02:50,992 WARN L180 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 722 DAG size of output: 104 [2018-11-28 13:02:50,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 13:02:50,994 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,995 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 13:02:50,996 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 13:02:50,997 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-28 13:02:50,998 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 13:02:50,999 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-28 13:02:51,000 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= 8 |old(~a15~0)|)) (.cse3 (= ~a12~0 |old(~a12~0)|)) (.cse6 (= |old(~a24~0)| ~a24~0)) (.cse10 (= ~a21~0 |old(~a21~0)|))) (let ((.cse12 (< 0 (+ |old(~a12~0)| 49))) (.cse14 (< 7 |old(~a15~0)|)) (.cse4 (<= |old(~a21~0)| ~a21~0)) (.cse5 (<= ~a21~0 7)) (.cse1 (not (= 7 |old(~a21~0)|))) (.cse17 (and (and .cse3 .cse6) .cse10 (= ~a15~0 |old(~a15~0)|))) (.cse16 (< 73282 |old(~a12~0)|)) (.cse9 (not (= 8 |old(~a21~0)|))) (.cse11 (not (= 6 |old(~a21~0)|))) (.cse2 (not .cse19)) (.cse7 (= 8 ~a15~0)) (.cse8 (not (= 6 |old(~a15~0)|))) (.cse13 (and .cse3 .cse10 .cse18 .cse6)) (.cse15 (< |old(~a12~0)| 12)) (.cse0 (not (= 1 |old(~a24~0)|)))) (and (or .cse0 (or .cse1 (< 11 |old(~a12~0)|) .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse8 (= 6 ~a15~0)) (or .cse9 (not (= 9 |old(~a15~0)|)) .cse0 (and .cse3 .cse10 .cse6 (= 9 ~a15~0))) (or .cse11 .cse12 .cse13 .cse14) (or .cse15 .cse13 .cse0 .cse16 .cse14) (or .cse11 .cse0 .cse13 .cse14) (or .cse13 (or .cse12 (< |old(~a21~0)| 7)) .cse0 .cse14) (or .cse17 .cse0 .cse16 .cse14 .cse9) (or (and .cse3 .cse4 .cse18 .cse5 .cse6) .cse15 .cse1 .cse0 .cse19) (or .cse15 .cse17 .cse0 .cse16 .cse9) (or .cse15 .cse11 .cse0 .cse2 (and .cse3 .cse10 .cse7 .cse6)) (or (and .cse3 .cse18 .cse6 (= 10 ~a21~0)) (not (= 10 |old(~a21~0)|)) .cse0) (or (< 76 |old(~a12~0)|) (not (= 9 |old(~a21~0)|)) .cse0 .cse2 (and .cse3 .cse10 .cse6 .cse7)) (or (<= (+ ~a12~0 43) 0) .cse8 (< 0 (+ |old(~a12~0)| 43))) (or .cse13 .cse15 (= 5 |old(~a15~0)|) .cse0 .cse19) (or .cse0 (not (= 7 |old(~a15~0)|)) (and .cse3 .cse10 (= 7 ~a15~0) .cse6))))) [2018-11-28 13:02:51,000 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,001 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 13:02:51,002 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-28 13:02:51,003 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,004 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-28 13:02:51,005 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-28 13:02:51,006 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-28 13:02:51,007 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,008 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 13:02:51,009 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-28 13:02:51,010 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:02:51,011 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-28 13:02:51,011 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:02:51,011 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:02:51,011 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0) (= |old(~a15~0)| ~a15~0) (= 1 ~a24~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-11-28 13:02:51,011 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-28 13:02:51,011 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 73282)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse1 (not (= 8 |old(~a15~0)|)))) (let ((.cse3 (<= (+ ~a12~0 49) 0)) (.cse6 (not (= ~a15~0 8))) (.cse8 (= 7 ~a21~0)) (.cse2 (<= ~a15~0 7)) (.cse0 (= 1 ~a24~0)) (.cse7 (= 6 ~a21~0)) (.cse5 (<= 12 ~a12~0)) (.cse10 (let ((.cse12 (= 6 |old(~a21~0)|))) (let ((.cse11 (not .cse12))) (and (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)) (and .cse9 (and (<= ~a15~0 8) (or .cse11 (<= 0 (+ |old(~a12~0)| 42)) (not (= 5 |old(~a15~0)|)))) .cse4 (= ~a21~0 8) (or .cse12 (= 7 |old(~a21~0)|))) (or .cse11 .cse1)))))) (or (and .cse0 (= 10 ~a21~0)) .cse1 (and .cse2 (and (and (<= 7 ~a21~0) .cse3) .cse4)) (and .cse5 .cse6 (and (not (= 5 ~a15~0)) .cse4)) (= 6 ~a15~0) (and .cse2 (and .cse7 .cse3)) (and (<= ~a12~0 76) (and .cse0 (= 8 ~a15~0) (= 9 ~a21~0))) (and .cse5 (and .cse8 .cse0) .cse6) (and (and .cse0 (and .cse8 (<= ~a12~0 11))) (= ~a15~0 |old(~a15~0)|)) (and (= 8 ~a21~0) .cse4 (= 9 ~a15~0)) (< 0 (+ |old(~a12~0)| 49)) (and (= 7 ~a15~0) .cse0) (and .cse5 (and .cse4 .cse7)) (and .cse5 .cse2 (and .cse9 .cse0)) (and .cse2 .cse10) (< 7 |old(~a21~0)|) (and .cse2 (and .cse0 .cse7)) (< |old(~a21~0)| 7) (and .cse5 .cse10) (not (= 1 |old(~a24~0)|))))) [2018-11-28 13:02:51,011 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-28 13:02:51,011 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-28 13:02:51,011 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse9 (<= ~a12~0 73282)) (.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse1 (not (= 8 |old(~a15~0)|)))) (let ((.cse3 (<= (+ ~a12~0 49) 0)) (.cse6 (not (= ~a15~0 8))) (.cse8 (= 7 ~a21~0)) (.cse2 (<= ~a15~0 7)) (.cse0 (= 1 ~a24~0)) (.cse7 (= 6 ~a21~0)) (.cse5 (<= 12 ~a12~0)) (.cse10 (let ((.cse12 (= 6 |old(~a21~0)|))) (let ((.cse11 (not .cse12))) (and (or (< 80 |old(~a12~0)|) (<= (+ |old(~a12~0)| 43) 0)) (and .cse9 (and (<= ~a15~0 8) (or .cse11 (<= 0 (+ |old(~a12~0)| 42)) (not (= 5 |old(~a15~0)|)))) .cse4 (= ~a21~0 8) (or .cse12 (= 7 |old(~a21~0)|))) (or .cse11 .cse1)))))) (or (and .cse0 (= 10 ~a21~0)) .cse1 (and .cse2 (and (and (<= 7 ~a21~0) .cse3) .cse4)) (and .cse5 .cse6 (and (not (= 5 ~a15~0)) .cse4)) (= 6 ~a15~0) (and .cse2 (and .cse7 .cse3)) (and (<= ~a12~0 76) (and .cse0 (= 8 ~a15~0) (= 9 ~a21~0))) (and .cse5 (and .cse8 .cse0) .cse6) (and (and .cse0 (and .cse8 (<= ~a12~0 11))) (= ~a15~0 |old(~a15~0)|)) (and (= 8 ~a21~0) .cse4 (= 9 ~a15~0)) (< 0 (+ |old(~a12~0)| 49)) (and (= 7 ~a15~0) .cse0) (and .cse5 (and .cse4 .cse7)) (and .cse5 .cse2 (and .cse9 .cse0)) (and .cse2 .cse10) (< 7 |old(~a21~0)|) (and .cse2 (and .cse0 .cse7)) (< |old(~a21~0)| 7) (and .cse5 .cse10) (not (= 1 |old(~a24~0)|))))) [2018-11-28 13:02:51,011 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-28 13:02:51,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:02:51 BoogieIcfgContainer [2018-11-28 13:02:51,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:02:51,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:02:51,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:02:51,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:02:51,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:01:43" (3/4) ... [2018-11-28 13:02:51,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:02:51,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:02:51,040 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 13:02:51,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:02:51,052 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 13:02:51,053 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 13:02:51,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((1 == a24 && 10 == a21) || !(8 == \old(a15))) || (a15 <= 7 && (7 <= a21 && a12 + 49 <= 0) && a24 == \old(a24))) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || 6 == a15) || (a15 <= 7 && 6 == a21 && a12 + 49 <= 0)) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && 7 == a21 && 1 == a24) && !(a15 == 8))) || ((1 == a24 && 7 == a21 && a12 <= 11) && a15 == \old(a15))) || ((8 == a21 && a24 == \old(a24)) && 9 == a15)) || 0 < \old(a12) + 49) || (7 == a15 && 1 == a24)) || (12 <= a12 && a24 == \old(a24) && 6 == a21)) || ((12 <= a12 && a15 <= 7) && a12 <= 73282 && 1 == a24)) || (a15 <= 7 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7) || (12 <= a12 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || !(1 == \old(a24)) [2018-11-28 13:02:51,164 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b965bb0-658a-455a-8afa-eb116362a3e4/bin-2019/uautomizer/witness.graphml [2018-11-28 13:02:51,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:02:51,165 INFO L168 Benchmark]: Toolchain (without parser) took 68968.35 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 945.3 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-28 13:02:51,166 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:51,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:51,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:51,166 INFO L168 Benchmark]: Boogie Preprocessor took 56.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:51,167 INFO L168 Benchmark]: RCFGBuilder took 1219.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:02:51,167 INFO L168 Benchmark]: TraceAbstraction took 67088.35 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 970.5 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-28 13:02:51,167 INFO L168 Benchmark]: Witness Printer took 135.35 ms. Allocated memory is still 5.0 GB. Free memory is still 2.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:02:51,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 440.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1219.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.9 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67088.35 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 970.5 MB in the beginning and 2.9 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 135.35 ms. Allocated memory is still 5.0 GB. Free memory is still 2.9 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((1 == a24 && 10 == a21) || !(8 == \old(a15))) || (a15 <= 7 && (7 <= a21 && a12 + 49 <= 0) && a24 == \old(a24))) || ((12 <= a12 && !(a15 == 8)) && !(5 == a15) && a24 == \old(a24))) || 6 == a15) || (a15 <= 7 && 6 == a21 && a12 + 49 <= 0)) || (a12 <= 76 && (1 == a24 && 8 == a15) && 9 == a21)) || ((12 <= a12 && 7 == a21 && 1 == a24) && !(a15 == 8))) || ((1 == a24 && 7 == a21 && a12 <= 11) && a15 == \old(a15))) || ((8 == a21 && a24 == \old(a24)) && 9 == a15)) || 0 < \old(a12) + 49) || (7 == a15 && 1 == a24)) || (12 <= a12 && a24 == \old(a24) && 6 == a21)) || ((12 <= a12 && a15 <= 7) && a12 <= 73282 && 1 == a24)) || (a15 <= 7 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || 7 < \old(a21)) || (a15 <= 7 && 1 == a24 && 6 == a21)) || \old(a21) < 7) || (12 <= a12 && ((80 < \old(a12) || \old(a12) + 43 <= 0) && (((a12 <= 73282 && a15 <= 8 && ((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15)))) && a24 == \old(a24)) && a21 == 8) && (6 == \old(a21) || 7 == \old(a21))) && (!(6 == \old(a21)) || !(8 == \old(a15))))) || !(1 == \old(a24)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 67.0s OverallTime, 17 OverallIterations, 16 TraceHistogramMax, 31.5s AutomataDifference, 0.0s DeadEndRemovalTime, 9.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 854 SDtfs, 24914 SDslu, 2002 SDs, 0 SdLazy, 40161 SolverSat, 7808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14308 GetRequests, 13819 SyntacticMatches, 15 SemanticMatches, 474 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7351 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8010occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 4111 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 470 PreInvPairs, 578 NumberOfFragments, 1076 HoareAnnotationTreeSize, 470 FomulaSimplifications, 11037145 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 905026 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 29579 NumberOfCodeBlocks, 29579 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 29549 ConstructedInterpolants, 0 QuantifiedInterpolants, 102665183 SizeOfPredicates, 8 NumberOfNonLiveVariables, 18868 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 30 InterpolantComputations, 6 PerfectInterpolantSequences, 106245/116747 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...