./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 0.1.23-635dfa2 [2018-12-01 15:45:18,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:45:18,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:45:18,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:45:18,177 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:45:18,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:45:18,178 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:45:18,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:45:18,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:45:18,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:45:18,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:45:18,182 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:45:18,183 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:45:18,183 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:45:18,184 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:45:18,185 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:45:18,185 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:45:18,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:45:18,188 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:45:18,189 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:45:18,189 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:45:18,190 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:45:18,192 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:45:18,192 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:45:18,192 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:45:18,193 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:45:18,193 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:45:18,194 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:45:18,195 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:45:18,195 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:45:18,195 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:45:18,196 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:45:18,196 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:45:18,196 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:45:18,197 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:45:18,197 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:45:18,197 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 15:45:18,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:45:18,205 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:45:18,206 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:45:18,206 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 15:45:18,206 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:45:18,207 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:45:18,207 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 15:45:18,207 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:45:18,207 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:45:18,207 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:45:18,207 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:45:18,207 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:45:18,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:45:18,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:45:18,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:45:18,208 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:45:18,208 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:45:18,208 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:45:18,208 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:45:18,208 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:45:18,209 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 15:45:18,209 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:45:18,209 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 15:45:18,209 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 15:45:18,209 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:45:18,209 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:45:18,209 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:45:18,210 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 15:45:18,210 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:45:18,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:45:18,210 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_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:18,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:45:18,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:45:18,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:45:18,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:45:18,244 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:45:18,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-12-01 15:45:18,281 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/data/e710e8078/3be012769b824836bf37e467f1b51dd6/FLAGce6270776 [2018-12-01 15:45:18,754 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:45:18,754 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/sv-benchmarks/c/eca-rers2012/Problem14_label07_true-unreach-call_false-termination.c [2018-12-01 15:45:18,764 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/data/e710e8078/3be012769b824836bf37e467f1b51dd6/FLAGce6270776 [2018-12-01 15:45:19,263 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/data/e710e8078/3be012769b824836bf37e467f1b51dd6 [2018-12-01 15:45:19,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:45:19,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:45:19,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:45:19,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:45:19,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:45:19,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19, skipping insertion in model container [2018-12-01 15:45:19,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:45:19,308 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:45:19,504 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:45:19,507 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:45:19,611 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:45:19,620 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:45:19,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19 WrapperNode [2018-12-01 15:45:19,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:45:19,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:45:19,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:45:19,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:45:19,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:45:19,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:45:19,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:45:19,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:45:19,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... [2018-12-01 15:45:19,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:45:19,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:45:19,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:45:19,700 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:45:19,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 15:45:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 15:45:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-01 15:45:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-01 15:45:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:45:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:45:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 15:45:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 15:45:20,430 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:45:20,430 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 15:45:20,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:20 BoogieIcfgContainer [2018-12-01 15:45:20,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:45:20,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 15:45:20,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 15:45:20,434 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 15:45:20,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:45:19" (1/3) ... [2018-12-01 15:45:20,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f03b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:45:20, skipping insertion in model container [2018-12-01 15:45:20,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:19" (2/3) ... [2018-12-01 15:45:20,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f03b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:45:20, skipping insertion in model container [2018-12-01 15:45:20,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:20" (3/3) ... [2018-12-01 15:45:20,437 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label07_true-unreach-call_false-termination.c [2018-12-01 15:45:20,445 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 15:45:20,453 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 15:45:20,467 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 15:45:20,494 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 15:45:20,494 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 15:45:20,495 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 15:45:20,495 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 15:45:20,495 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 15:45:20,495 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 15:45:20,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 15:45:20,495 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 15:45:20,495 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 15:45:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-01 15:45:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 15:45:20,515 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:20,515 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] [2018-12-01 15:45:20,517 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:20,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:20,520 INFO L82 PathProgramCache]: Analyzing trace with hash 844393866, now seen corresponding path program 1 times [2018-12-01 15:45:20,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:20,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:20,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:20,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:20,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:20,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:45:20,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:45:20,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 15:45:20,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 15:45:20,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 15:45:20,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 15:45:20,740 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-12-01 15:45:21,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:21,626 INFO L93 Difference]: Finished difference Result 890 states and 1606 transitions. [2018-12-01 15:45:21,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 15:45:21,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2018-12-01 15:45:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:21,640 INFO L225 Difference]: With dead ends: 890 [2018-12-01 15:45:21,640 INFO L226 Difference]: Without dead ends: 554 [2018-12-01 15:45:21,645 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 [2018-12-01 15:45:21,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-01 15:45:21,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 372. [2018-12-01 15:45:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-01 15:45:21,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 524 transitions. [2018-12-01 15:45:21,685 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 524 transitions. Word has length 53 [2018-12-01 15:45:21,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:21,686 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 524 transitions. [2018-12-01 15:45:21,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 15:45:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 524 transitions. [2018-12-01 15:45:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 15:45:21,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:21,689 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] [2018-12-01 15:45:21,689 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:21,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:21,689 INFO L82 PathProgramCache]: Analyzing trace with hash -678591331, now seen corresponding path program 1 times [2018-12-01 15:45:21,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:21,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:21,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:21,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:45:21,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:45:21,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 15:45:21,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 15:45:21,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 15:45:21,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 15:45:21,771 INFO L87 Difference]: Start difference. First operand 372 states and 524 transitions. Second operand 4 states. [2018-12-01 15:45:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:22,385 INFO L93 Difference]: Finished difference Result 1466 states and 2090 transitions. [2018-12-01 15:45:22,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 15:45:22,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2018-12-01 15:45:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:22,390 INFO L225 Difference]: With dead ends: 1466 [2018-12-01 15:45:22,390 INFO L226 Difference]: Without dead ends: 736 [2018-12-01 15:45:22,392 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 [2018-12-01 15:45:22,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-12-01 15:45:22,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 554. [2018-12-01 15:45:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-01 15:45:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 808 transitions. [2018-12-01 15:45:22,410 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 808 transitions. Word has length 136 [2018-12-01 15:45:22,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:22,410 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 808 transitions. [2018-12-01 15:45:22,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 15:45:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 808 transitions. [2018-12-01 15:45:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-01 15:45:22,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:22,413 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] [2018-12-01 15:45:22,413 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:22,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:22,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1936926174, now seen corresponding path program 1 times [2018-12-01 15:45:22,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:22,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:22,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:22,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:22,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 15:45:22,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:45:22,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 15:45:22,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 15:45:22,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 15:45:22,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 15:45:22,491 INFO L87 Difference]: Start difference. First operand 554 states and 808 transitions. Second operand 4 states. [2018-12-01 15:45:23,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:23,188 INFO L93 Difference]: Finished difference Result 2194 states and 3267 transitions. [2018-12-01 15:45:23,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 15:45:23,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2018-12-01 15:45:23,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:23,196 INFO L225 Difference]: With dead ends: 2194 [2018-12-01 15:45:23,196 INFO L226 Difference]: Without dead ends: 1646 [2018-12-01 15:45:23,197 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 [2018-12-01 15:45:23,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-01 15:45:23,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2018-12-01 15:45:23,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1646 states. [2018-12-01 15:45:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2269 transitions. [2018-12-01 15:45:23,226 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2269 transitions. Word has length 221 [2018-12-01 15:45:23,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:23,226 INFO L480 AbstractCegarLoop]: Abstraction has 1646 states and 2269 transitions. [2018-12-01 15:45:23,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 15:45:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2269 transitions. [2018-12-01 15:45:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-01 15:45:23,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:23,231 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] [2018-12-01 15:45:23,231 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:23,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:23,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1963321077, now seen corresponding path program 1 times [2018-12-01 15:45:23,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:23,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:23,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:23,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:23,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 92 proven. 108 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:45:23,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:23,449 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:23,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:23,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 15:45:23,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 15:45:23,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2018-12-01 15:45:23,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 15:45:23,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 15:45:23,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-01 15:45:23,718 INFO L87 Difference]: Start difference. First operand 1646 states and 2269 transitions. Second operand 10 states. [2018-12-01 15:45:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:25,519 INFO L93 Difference]: Finished difference Result 3790 states and 5590 transitions. [2018-12-01 15:45:25,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-01 15:45:25,520 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 316 [2018-12-01 15:45:25,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:25,533 INFO L225 Difference]: With dead ends: 3790 [2018-12-01 15:45:25,533 INFO L226 Difference]: Without dead ends: 2150 [2018-12-01 15:45:25,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 332 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2018-12-01 15:45:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2018-12-01 15:45:25,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 1510. [2018-12-01 15:45:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1510 states. [2018-12-01 15:45:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2023 transitions. [2018-12-01 15:45:25,604 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2023 transitions. Word has length 316 [2018-12-01 15:45:25,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:25,605 INFO L480 AbstractCegarLoop]: Abstraction has 1510 states and 2023 transitions. [2018-12-01 15:45:25,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 15:45:25,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2023 transitions. [2018-12-01 15:45:25,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-01 15:45:25,612 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:25,612 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] [2018-12-01 15:45:25,612 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:25,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:25,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1749322399, now seen corresponding path program 1 times [2018-12-01 15:45:25,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:25,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:25,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:25,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:25,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 143 proven. 191 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 15:45:25,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:25,806 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:25,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:25,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 356 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 15:45:25,968 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:25,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-01 15:45:25,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 15:45:25,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 15:45:25,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-01 15:45:25,969 INFO L87 Difference]: Start difference. First operand 1510 states and 2023 transitions. Second operand 9 states. [2018-12-01 15:45:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:26,729 INFO L93 Difference]: Finished difference Result 3830 states and 5499 transitions. [2018-12-01 15:45:26,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 15:45:26,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 392 [2018-12-01 15:45:26,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:26,743 INFO L225 Difference]: With dead ends: 3830 [2018-12-01 15:45:26,743 INFO L226 Difference]: Without dead ends: 2326 [2018-12-01 15:45:26,748 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 395 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-12-01 15:45:26,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2018-12-01 15:45:26,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 2270. [2018-12-01 15:45:26,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2270 states. [2018-12-01 15:45:26,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 2270 states and 2953 transitions. [2018-12-01 15:45:26,809 INFO L78 Accepts]: Start accepts. Automaton has 2270 states and 2953 transitions. Word has length 392 [2018-12-01 15:45:26,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:26,809 INFO L480 AbstractCegarLoop]: Abstraction has 2270 states and 2953 transitions. [2018-12-01 15:45:26,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 15:45:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2953 transitions. [2018-12-01 15:45:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:45:26,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:26,816 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] [2018-12-01 15:45:26,816 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:26,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:26,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1345982802, now seen corresponding path program 1 times [2018-12-01 15:45:26,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:26,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:26,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:26,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:26,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 231 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:45:27,467 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:27,467 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:27,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:27,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-12-01 15:45:27,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 15:45:27,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2018-12-01 15:45:27,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-01 15:45:27,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-01 15:45:27,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-12-01 15:45:27,641 INFO L87 Difference]: Start difference. First operand 2270 states and 2953 transitions. Second operand 22 states. [2018-12-01 15:45:34,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:34,382 INFO L93 Difference]: Finished difference Result 6416 states and 9169 transitions. [2018-12-01 15:45:34,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-12-01 15:45:34,382 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 425 [2018-12-01 15:45:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:34,393 INFO L225 Difference]: With dead ends: 6416 [2018-12-01 15:45:34,393 INFO L226 Difference]: Without dead ends: 4152 [2018-12-01 15:45:34,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 423 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2979 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1497, Invalid=7623, Unknown=0, NotChecked=0, Total=9120 [2018-12-01 15:45:34,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4152 states. [2018-12-01 15:45:34,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4152 to 3770. [2018-12-01 15:45:34,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3770 states. [2018-12-01 15:45:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3770 states and 4743 transitions. [2018-12-01 15:45:34,476 INFO L78 Accepts]: Start accepts. Automaton has 3770 states and 4743 transitions. Word has length 425 [2018-12-01 15:45:34,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:34,476 INFO L480 AbstractCegarLoop]: Abstraction has 3770 states and 4743 transitions. [2018-12-01 15:45:34,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-01 15:45:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3770 states and 4743 transitions. [2018-12-01 15:45:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2018-12-01 15:45:34,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:34,499 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] [2018-12-01 15:45:34,499 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:34,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:34,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1034685810, now seen corresponding path program 1 times [2018-12-01 15:45:34,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:34,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:34,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:34,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:34,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 324 proven. 570 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-12-01 15:45:35,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:35,205 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:35,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:35,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 959 proven. 2 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-12-01 15:45:35,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:35,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-12-01 15:45:35,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-01 15:45:35,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-01 15:45:35,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-12-01 15:45:35,632 INFO L87 Difference]: Start difference. First operand 3770 states and 4743 transitions. Second operand 17 states. [2018-12-01 15:45:39,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:39,106 INFO L93 Difference]: Finished difference Result 8641 states and 11035 transitions. [2018-12-01 15:45:39,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-01 15:45:39,106 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 679 [2018-12-01 15:45:39,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:39,115 INFO L225 Difference]: With dead ends: 8641 [2018-12-01 15:45:39,115 INFO L226 Difference]: Without dead ends: 4928 [2018-12-01 15:45:39,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=550, Invalid=2530, Unknown=0, NotChecked=0, Total=3080 [2018-12-01 15:45:39,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4928 states. [2018-12-01 15:45:39,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4928 to 4692. [2018-12-01 15:45:39,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4692 states. [2018-12-01 15:45:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 5419 transitions. [2018-12-01 15:45:39,184 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 5419 transitions. Word has length 679 [2018-12-01 15:45:39,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:39,184 INFO L480 AbstractCegarLoop]: Abstraction has 4692 states and 5419 transitions. [2018-12-01 15:45:39,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-01 15:45:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 5419 transitions. [2018-12-01 15:45:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2018-12-01 15:45:39,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:39,191 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] [2018-12-01 15:45:39,192 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:39,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:39,192 INFO L82 PathProgramCache]: Analyzing trace with hash 2003215569, now seen corresponding path program 1 times [2018-12-01 15:45:39,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:39,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:39,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:39,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:39,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 640 proven. 228 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2018-12-01 15:45:39,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:39,573 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:39,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:39,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1822 backedges. 1325 proven. 2 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2018-12-01 15:45:39,852 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:39,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-01 15:45:39,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:45:39,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:45:39,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:45:39,853 INFO L87 Difference]: Start difference. First operand 4692 states and 5419 transitions. Second operand 7 states. [2018-12-01 15:45:40,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:40,976 INFO L93 Difference]: Finished difference Result 11492 states and 14477 transitions. [2018-12-01 15:45:40,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 15:45:40,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 798 [2018-12-01 15:45:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:40,991 INFO L225 Difference]: With dead ends: 11492 [2018-12-01 15:45:40,991 INFO L226 Difference]: Without dead ends: 6988 [2018-12-01 15:45:40,995 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 [2018-12-01 15:45:40,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6988 states. [2018-12-01 15:45:41,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6988 to 6756. [2018-12-01 15:45:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6756 states. [2018-12-01 15:45:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6756 states to 6756 states and 7848 transitions. [2018-12-01 15:45:41,088 INFO L78 Accepts]: Start accepts. Automaton has 6756 states and 7848 transitions. Word has length 798 [2018-12-01 15:45:41,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:41,088 INFO L480 AbstractCegarLoop]: Abstraction has 6756 states and 7848 transitions. [2018-12-01 15:45:41,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:45:41,088 INFO L276 IsEmpty]: Start isEmpty. Operand 6756 states and 7848 transitions. [2018-12-01 15:45:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2018-12-01 15:45:41,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:41,097 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] [2018-12-01 15:45:41,097 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:41,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:41,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2102422553, now seen corresponding path program 1 times [2018-12-01 15:45:41,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:41,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:41,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:41,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:41,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 520 proven. 403 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2018-12-01 15:45:41,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:41,647 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:41,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:41,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1916 backedges. 1358 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2018-12-01 15:45:41,941 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:41,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2018-12-01 15:45:41,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:45:41,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:45:41,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:45:41,942 INFO L87 Difference]: Start difference. First operand 6756 states and 7848 transitions. Second operand 7 states. [2018-12-01 15:45:42,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:42,635 INFO L93 Difference]: Finished difference Result 13324 states and 15508 transitions. [2018-12-01 15:45:42,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 15:45:42,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 858 [2018-12-01 15:45:42,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:42,646 INFO L225 Difference]: With dead ends: 13324 [2018-12-01 15:45:42,646 INFO L226 Difference]: Without dead ends: 6756 [2018-12-01 15:45:42,652 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 [2018-12-01 15:45:42,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2018-12-01 15:45:42,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6572. [2018-12-01 15:45:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6572 states. [2018-12-01 15:45:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 7408 transitions. [2018-12-01 15:45:42,729 INFO L78 Accepts]: Start accepts. Automaton has 6572 states and 7408 transitions. Word has length 858 [2018-12-01 15:45:42,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:42,730 INFO L480 AbstractCegarLoop]: Abstraction has 6572 states and 7408 transitions. [2018-12-01 15:45:42,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:45:42,730 INFO L276 IsEmpty]: Start isEmpty. Operand 6572 states and 7408 transitions. [2018-12-01 15:45:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2018-12-01 15:45:42,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:42,738 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] [2018-12-01 15:45:42,738 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:42,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:42,739 INFO L82 PathProgramCache]: Analyzing trace with hash 269621054, now seen corresponding path program 1 times [2018-12-01 15:45:42,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:42,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:42,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:42,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:42,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 856 proven. 228 refuted. 0 times theorem prover too weak. 1509 trivial. 0 not checked. [2018-12-01 15:45:43,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:43,193 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:43,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:43,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2593 backedges. 1763 proven. 2 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2018-12-01 15:45:43,558 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:43,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-01 15:45:43,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 15:45:43,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 15:45:43,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-01 15:45:43,559 INFO L87 Difference]: Start difference. First operand 6572 states and 7408 transitions. Second operand 7 states. [2018-12-01 15:45:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:44,169 INFO L93 Difference]: Finished difference Result 13116 states and 14885 transitions. [2018-12-01 15:45:44,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 15:45:44,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 957 [2018-12-01 15:45:44,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:44,180 INFO L225 Difference]: With dead ends: 13116 [2018-12-01 15:45:44,180 INFO L226 Difference]: Without dead ends: 6732 [2018-12-01 15:45:44,186 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 [2018-12-01 15:45:44,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6732 states. [2018-12-01 15:45:44,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6732 to 6536. [2018-12-01 15:45:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6536 states. [2018-12-01 15:45:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 7380 transitions. [2018-12-01 15:45:44,264 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 7380 transitions. Word has length 957 [2018-12-01 15:45:44,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:44,264 INFO L480 AbstractCegarLoop]: Abstraction has 6536 states and 7380 transitions. [2018-12-01 15:45:44,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 15:45:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 7380 transitions. [2018-12-01 15:45:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2018-12-01 15:45:44,273 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:44,273 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] [2018-12-01 15:45:44,273 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:44,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:44,274 INFO L82 PathProgramCache]: Analyzing trace with hash 642765001, now seen corresponding path program 1 times [2018-12-01 15:45:44,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:44,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:44,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:44,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:44,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 1598 proven. 230 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2018-12-01 15:45:44,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:44,823 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:44,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:44,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3876 backedges. 2397 proven. 6 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2018-12-01 15:45:45,312 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:45,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-12-01 15:45:45,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 15:45:45,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 15:45:45,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-01 15:45:45,314 INFO L87 Difference]: Start difference. First operand 6536 states and 7380 transitions. Second operand 9 states. [2018-12-01 15:45:46,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:46,486 INFO L93 Difference]: Finished difference Result 14734 states and 16701 transitions. [2018-12-01 15:45:46,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 15:45:46,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1132 [2018-12-01 15:45:46,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:46,497 INFO L225 Difference]: With dead ends: 14734 [2018-12-01 15:45:46,497 INFO L226 Difference]: Without dead ends: 8386 [2018-12-01 15:45:46,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1136 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-12-01 15:45:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8386 states. [2018-12-01 15:45:46,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8386 to 8010. [2018-12-01 15:45:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8010 states. [2018-12-01 15:45:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8010 states to 8010 states and 9046 transitions. [2018-12-01 15:45:46,587 INFO L78 Accepts]: Start accepts. Automaton has 8010 states and 9046 transitions. Word has length 1132 [2018-12-01 15:45:46,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:46,587 INFO L480 AbstractCegarLoop]: Abstraction has 8010 states and 9046 transitions. [2018-12-01 15:45:46,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 15:45:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8010 states and 9046 transitions. [2018-12-01 15:45:46,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2018-12-01 15:45:46,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:46,598 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] [2018-12-01 15:45:46,598 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:46,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:46,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1227148822, now seen corresponding path program 1 times [2018-12-01 15:45:46,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:46,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:46,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:46,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:46,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 1326 proven. 937 refuted. 0 times theorem prover too weak. 2813 trivial. 0 not checked. [2018-12-01 15:45:48,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:48,042 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:48,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:48,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5076 backedges. 2281 proven. 2 refuted. 0 times theorem prover too weak. 2793 trivial. 0 not checked. [2018-12-01 15:45:48,717 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:48,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-01 15:45:48,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-01 15:45:48,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-01 15:45:48,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-12-01 15:45:48,718 INFO L87 Difference]: Start difference. First operand 8010 states and 9046 transitions. Second operand 17 states. [2018-12-01 15:45:51,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:51,487 INFO L93 Difference]: Finished difference Result 15890 states and 17986 transitions. [2018-12-01 15:45:51,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-01 15:45:51,487 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1283 [2018-12-01 15:45:51,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:51,499 INFO L225 Difference]: With dead ends: 15890 [2018-12-01 15:45:51,499 INFO L226 Difference]: Without dead ends: 8068 [2018-12-01 15:45:51,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1357 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=552, Invalid=2204, Unknown=0, NotChecked=0, Total=2756 [2018-12-01 15:45:51,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2018-12-01 15:45:51,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 8006. [2018-12-01 15:45:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8006 states. [2018-12-01 15:45:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8006 states to 8006 states and 8984 transitions. [2018-12-01 15:45:51,592 INFO L78 Accepts]: Start accepts. Automaton has 8006 states and 8984 transitions. Word has length 1283 [2018-12-01 15:45:51,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:51,593 INFO L480 AbstractCegarLoop]: Abstraction has 8006 states and 8984 transitions. [2018-12-01 15:45:51,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-01 15:45:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 8006 states and 8984 transitions. [2018-12-01 15:45:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1488 [2018-12-01 15:45:51,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:51,606 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] [2018-12-01 15:45:51,606 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:51,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:51,607 INFO L82 PathProgramCache]: Analyzing trace with hash 2134731010, now seen corresponding path program 1 times [2018-12-01 15:45:51,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:51,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:51,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:51,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:51,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 1181 proven. 3191 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-12-01 15:45:53,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:45:53,706 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:45:53,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:45:53,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:45:54,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6440 backedges. 3902 proven. 2 refuted. 0 times theorem prover too weak. 2536 trivial. 0 not checked. [2018-12-01 15:45:54,436 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:45:54,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-12-01 15:45:54,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 15:45:54,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 15:45:54,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-12-01 15:45:54,437 INFO L87 Difference]: Start difference. First operand 8006 states and 8984 transitions. Second operand 19 states. [2018-12-01 15:45:59,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:45:59,031 INFO L93 Difference]: Finished difference Result 16084 states and 19274 transitions. [2018-12-01 15:45:59,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-12-01 15:45:59,031 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1487 [2018-12-01 15:45:59,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:45:59,047 INFO L225 Difference]: With dead ends: 16084 [2018-12-01 15:45:59,047 INFO L226 Difference]: Without dead ends: 8266 [2018-12-01 15:45:59,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1584 GetRequests, 1520 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=849, Invalid=3183, Unknown=0, NotChecked=0, Total=4032 [2018-12-01 15:45:59,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8266 states. [2018-12-01 15:45:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8266 to 7826. [2018-12-01 15:45:59,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7826 states. [2018-12-01 15:45:59,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 8623 transitions. [2018-12-01 15:45:59,155 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 8623 transitions. Word has length 1487 [2018-12-01 15:45:59,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:45:59,155 INFO L480 AbstractCegarLoop]: Abstraction has 7826 states and 8623 transitions. [2018-12-01 15:45:59,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 15:45:59,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 8623 transitions. [2018-12-01 15:45:59,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1606 [2018-12-01 15:45:59,168 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:45:59,168 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] [2018-12-01 15:45:59,168 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:45:59,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:45:59,168 INFO L82 PathProgramCache]: Analyzing trace with hash 888570278, now seen corresponding path program 1 times [2018-12-01 15:45:59,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:45:59,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:45:59,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:59,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:45:59,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:45:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:46:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 1656 proven. 1159 refuted. 0 times theorem prover too weak. 4866 trivial. 0 not checked. [2018-12-01 15:46:00,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:46:00,913 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:46:00,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:46:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:46:01,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:46:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 7681 backedges. 2894 proven. 2 refuted. 0 times theorem prover too weak. 4785 trivial. 0 not checked. [2018-12-01 15:46:01,798 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:46:01,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-01 15:46:01,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-01 15:46:01,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-01 15:46:01,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2018-12-01 15:46:01,799 INFO L87 Difference]: Start difference. First operand 7826 states and 8623 transitions. Second operand 17 states. [2018-12-01 15:46:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:46:04,901 INFO L93 Difference]: Finished difference Result 15478 states and 17074 transitions. [2018-12-01 15:46:04,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-01 15:46:04,902 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1605 [2018-12-01 15:46:04,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:46:04,910 INFO L225 Difference]: With dead ends: 15478 [2018-12-01 15:46:04,911 INFO L226 Difference]: Without dead ends: 7840 [2018-12-01 15:46:04,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1677 GetRequests, 1628 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=478, Invalid=2072, Unknown=0, NotChecked=0, Total=2550 [2018-12-01 15:46:04,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7840 states. [2018-12-01 15:46:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7840 to 7822. [2018-12-01 15:46:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7822 states. [2018-12-01 15:46:05,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7822 states to 7822 states and 8570 transitions. [2018-12-01 15:46:05,005 INFO L78 Accepts]: Start accepts. Automaton has 7822 states and 8570 transitions. Word has length 1605 [2018-12-01 15:46:05,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:46:05,005 INFO L480 AbstractCegarLoop]: Abstraction has 7822 states and 8570 transitions. [2018-12-01 15:46:05,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-01 15:46:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 7822 states and 8570 transitions. [2018-12-01 15:46:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1823 [2018-12-01 15:46:05,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:46:05,021 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] [2018-12-01 15:46:05,021 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:46:05,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:46:05,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1822319605, now seen corresponding path program 1 times [2018-12-01 15:46:05,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:46:05,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:46:05,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:46:05,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:46:05,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:46:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:46:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 2004 proven. 2489 refuted. 0 times theorem prover too weak. 5860 trivial. 0 not checked. [2018-12-01 15:46:07,362 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:46:07,362 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:46:07,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:46:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:46:07,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:46:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10353 backedges. 4409 proven. 6 refuted. 0 times theorem prover too weak. 5938 trivial. 0 not checked. [2018-12-01 15:46:08,389 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:46:08,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-12-01 15:46:08,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-01 15:46:08,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-01 15:46:08,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-12-01 15:46:08,390 INFO L87 Difference]: Start difference. First operand 7822 states and 8570 transitions. Second operand 16 states. [2018-12-01 15:46:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:46:11,762 INFO L93 Difference]: Finished difference Result 15699 states and 17541 transitions. [2018-12-01 15:46:11,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-01 15:46:11,763 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1822 [2018-12-01 15:46:11,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:46:11,777 INFO L225 Difference]: With dead ends: 15699 [2018-12-01 15:46:11,777 INFO L226 Difference]: Without dead ends: 8001 [2018-12-01 15:46:11,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1908 GetRequests, 1860 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=479, Invalid=1971, Unknown=0, NotChecked=0, Total=2450 [2018-12-01 15:46:11,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8001 states. [2018-12-01 15:46:11,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8001 to 7626. [2018-12-01 15:46:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7626 states. [2018-12-01 15:46:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 8260 transitions. [2018-12-01 15:46:11,870 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 8260 transitions. Word has length 1822 [2018-12-01 15:46:11,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:46:11,871 INFO L480 AbstractCegarLoop]: Abstraction has 7626 states and 8260 transitions. [2018-12-01 15:46:11,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-01 15:46:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 8260 transitions. [2018-12-01 15:46:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1863 [2018-12-01 15:46:11,886 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:46:11,887 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] [2018-12-01 15:46:11,887 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:46:11,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:46:11,887 INFO L82 PathProgramCache]: Analyzing trace with hash -540237935, now seen corresponding path program 1 times [2018-12-01 15:46:11,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:46:11,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:46:11,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:46:11,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:46:11,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:46:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:46:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 2136 proven. 501 refuted. 0 times theorem prover too weak. 7701 trivial. 0 not checked. [2018-12-01 15:46:13,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 15:46:13,135 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/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 [2018-12-01 15:46:13,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:46:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:46:13,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 15:46:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10338 backedges. 4386 proven. 2 refuted. 0 times theorem prover too weak. 5950 trivial. 0 not checked. [2018-12-01 15:46:14,129 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 15:46:14,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-12-01 15:46:14,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 15:46:14,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 15:46:14,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-01 15:46:14,131 INFO L87 Difference]: Start difference. First operand 7626 states and 8260 transitions. Second operand 11 states. [2018-12-01 15:46:15,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:46:15,796 INFO L93 Difference]: Finished difference Result 15628 states and 16974 transitions. [2018-12-01 15:46:15,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-01 15:46:15,796 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1862 [2018-12-01 15:46:15,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:46:15,803 INFO L225 Difference]: With dead ends: 15628 [2018-12-01 15:46:15,803 INFO L226 Difference]: Without dead ends: 4624 [2018-12-01 15:46:15,811 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 [2018-12-01 15:46:15,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2018-12-01 15:46:15,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4074. [2018-12-01 15:46:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4074 states. [2018-12-01 15:46:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4074 states to 4074 states and 4178 transitions. [2018-12-01 15:46:15,857 INFO L78 Accepts]: Start accepts. Automaton has 4074 states and 4178 transitions. Word has length 1862 [2018-12-01 15:46:15,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:46:15,858 INFO L480 AbstractCegarLoop]: Abstraction has 4074 states and 4178 transitions. [2018-12-01 15:46:15,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 15:46:15,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 4178 transitions. [2018-12-01 15:46:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1938 [2018-12-01 15:46:15,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 15:46:15,873 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] [2018-12-01 15:46:15,873 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 15:46:15,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:46:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash -2043261290, now seen corresponding path program 1 times [2018-12-01 15:46:15,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 15:46:15,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 15:46:15,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:46:15,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 15:46:15,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 15:46:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:46:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 11762 backedges. 732 proven. 0 refuted. 0 times theorem prover too weak. 11030 trivial. 0 not checked. [2018-12-01 15:46:16,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 15:46:16,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 15:46:16,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 15:46:16,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 15:46:16,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 15:46:16,974 INFO L87 Difference]: Start difference. First operand 4074 states and 4178 transitions. Second operand 3 states. [2018-12-01 15:46:17,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 15:46:17,229 INFO L93 Difference]: Finished difference Result 7954 states and 8163 transitions. [2018-12-01 15:46:17,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 15:46:17,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1937 [2018-12-01 15:46:17,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 15:46:17,230 INFO L225 Difference]: With dead ends: 7954 [2018-12-01 15:46:17,230 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 15:46:17,234 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 [2018-12-01 15:46:17,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 15:46:17,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 15:46:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 15:46:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 15:46:17,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1937 [2018-12-01 15:46:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 15:46:17,234 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 15:46:17,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 15:46:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 15:46:17,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:46:17,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 15:46:17,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:17,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,482 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 834 DAG size of output: 717 [2018-12-01 15:46:18,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:18,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:19,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:19,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 15:46:19,451 WARN L180 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 717 [2018-12-01 15:46:20,741 WARN L180 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 333 DAG size of output: 104 [2018-12-01 15:46:25,868 WARN L180 SmtUtils]: Spent 5.12 s on a formula simplification. DAG size of input: 722 DAG size of output: 104 [2018-12-01 15:46:30,908 WARN L180 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 722 DAG size of output: 104 [2018-12-01 15:46:30,910 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:46:30,910 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)) [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-01 15:46:30,911 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,912 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,913 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-01 15:46:30,914 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-01 15:46:30,915 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-01 15:46:30,916 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-01 15:46:30,917 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))))) [2018-12-01 15:46:30,917 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,918 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-01 15:46:30,919 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-01 15:46:30,920 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,921 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-01 15:46:30,922 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-01 15:46:30,923 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-01 15:46:30,924 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-01 15:46:30,925 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,926 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-01 15:46:30,927 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-01 15:46:30,928 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-01 15:46:30,928 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-01 15:46:30,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 15:46:30,928 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)) [2018-12-01 15:46:30,928 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 15:46:30,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 15:46:30,928 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)|))) [2018-12-01 15:46:30,928 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-01 15:46:30,928 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)|))))) [2018-12-01 15:46:30,929 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-01 15:46:30,929 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-01 15:46:30,929 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)|))))) [2018-12-01 15:46:30,929 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-01 15:46:30,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:46:30 BoogieIcfgContainer [2018-12-01 15:46:30,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 15:46:30,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:46:30,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:46:30,943 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:46:30,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:20" (3/4) ... [2018-12-01 15:46:30,946 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:46:30,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 15:46:30,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-01 15:46:30,952 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 15:46:30,960 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 15:46:30,960 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 15:46:30,979 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)) [2018-12-01 15:46:31,032 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba813023-a79d-4e28-8a4e-4a2c9e333483/bin-2019/uautomizer/witness.graphml [2018-12-01 15:46:31,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:46:31,033 INFO L168 Benchmark]: Toolchain (without parser) took 71767.57 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 945.3 MB in the beginning and 3.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-01 15:46:31,034 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:46:31,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:46:31,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:46:31,034 INFO L168 Benchmark]: Boogie Preprocessor took 54.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:46:31,034 INFO L168 Benchmark]: RCFGBuilder took 730.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 942.6 MB in the end (delta: 127.6 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:46:31,034 INFO L168 Benchmark]: TraceAbstraction took 70511.48 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 942.6 MB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-12-01 15:46:31,034 INFO L168 Benchmark]: Witness Printer took 89.57 ms. Allocated memory is still 4.7 GB. Free memory was 3.7 GB in the beginning and 3.6 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:46:31,035 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 730.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 942.6 MB in the end (delta: 127.6 MB). Peak memory consumption was 127.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 70511.48 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 942.6 MB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 89.57 ms. Allocated memory is still 4.7 GB. Free memory was 3.7 GB in the beginning and 3.6 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. 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, 70.4s OverallTime, 17 OverallIterations, 16 TraceHistogramMax, 34.6s AutomataDifference, 0.0s DeadEndRemovalTime, 13.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 854 SDtfs, 24914 SDslu, 2002 SDs, 0 SdLazy, 40161 SolverSat, 7808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14308 GetRequests, 13819 SyntacticMatches, 15 SemanticMatches, 474 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7351 ImplicationChecksByTransitivity, 10.3s 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: 1.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 4111 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 470 PreInvPairs, 578 NumberOfFragments, 1076 HoareAnnotationTreeSize, 470 FomulaSimplifications, 11037145 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 905026 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.1s 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...