./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/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 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:07:54,968 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:07:54,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:07:54,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:07:54,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:07:54,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:07:54,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:07:54,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:07:54,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:07:54,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:07:54,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:07:54,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:07:54,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:07:54,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:07:54,982 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:07:54,983 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:07:54,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:07:54,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:07:54,986 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:07:54,986 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:07:54,987 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:07:54,988 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:07:54,990 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:07:54,990 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:07:54,990 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:07:54,991 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:07:54,991 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:07:54,992 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:07:54,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:07:54,993 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:07:54,993 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:07:54,994 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:07:54,994 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:07:54,994 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:07:54,995 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:07:54,995 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:07:54,996 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 15:07:55,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:07:55,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:07:55,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:07:55,004 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 15:07:55,005 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:07:55,005 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:07:55,005 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:07:55,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:07:55,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:07:55,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:07:55,007 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:07:55,007 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:07:55,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:07:55,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:07:55,007 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:07:55,007 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:07:55,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:07:55,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:07:55,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:07:55,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:07:55,008 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:07:55,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:07:55,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:07:55,009 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_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/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 -> 3a5c86310b0cee0c3fda3eee1e81be72e3f86b95 [2018-11-18 15:07:55,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:07:55,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:07:55,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:07:55,049 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:07:55,049 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:07:55,049 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-18 15:07:55,103 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/data/2c3175fe8/5ac944ce4ec14db9b983275fcb283f29/FLAG007fc2c25 [2018-11-18 15:07:55,468 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:07:55,468 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/sv-benchmarks/c/eca-rers2012/Problem14_label45_true-unreach-call_false-termination.c [2018-11-18 15:07:55,478 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/data/2c3175fe8/5ac944ce4ec14db9b983275fcb283f29/FLAG007fc2c25 [2018-11-18 15:07:55,489 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/data/2c3175fe8/5ac944ce4ec14db9b983275fcb283f29 [2018-11-18 15:07:55,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:07:55,492 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:07:55,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:07:55,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:07:55,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:07:55,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:55,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55, skipping insertion in model container [2018-11-18 15:07:55,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:55,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:07:55,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:07:55,838 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:07:55,841 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:07:55,929 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:07:55,941 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:07:55,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55 WrapperNode [2018-11-18 15:07:55,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:07:55,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:07:55,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:07:55,943 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:07:56,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:56,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:56,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:56,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:56,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:56,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:56,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... [2018-11-18 15:07:56,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:07:56,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:07:56,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:07:56,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:07:56,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:07:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:07:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:07:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 15:07:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:07:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 15:07:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:07:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 15:07:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:07:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:07:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:07:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:07:57,112 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:07:57,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:07:57 BoogieIcfgContainer [2018-11-18 15:07:57,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:07:57,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:07:57,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:07:57,116 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:07:57,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:07:55" (1/3) ... [2018-11-18 15:07:57,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244345b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:07:57, skipping insertion in model container [2018-11-18 15:07:57,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:07:55" (2/3) ... [2018-11-18 15:07:57,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244345b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:07:57, skipping insertion in model container [2018-11-18 15:07:57,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:07:57" (3/3) ... [2018-11-18 15:07:57,119 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label45_true-unreach-call_false-termination.c [2018-11-18 15:07:57,126 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:07:57,132 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:07:57,142 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:07:57,167 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:07:57,167 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:07:57,168 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:07:57,168 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:07:57,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:07:57,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:07:57,168 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:07:57,168 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:07:57,168 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:07:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 15:07:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 15:07:57,192 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:07:57,193 INFO L375 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] [2018-11-18 15:07:57,195 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:07:57,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:07:57,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1525638783, now seen corresponding path program 1 times [2018-11-18 15:07:57,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:07:57,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:07:57,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:07:57,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:07:57,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:07:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:57,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:07:57,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:07:57,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:07:57,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:07:57,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:07:57,423 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 4 states. [2018-11-18 15:07:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:07:58,531 INFO L93 Difference]: Finished difference Result 894 states and 1610 transitions. [2018-11-18 15:07:58,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:07:58,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-18 15:07:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:07:58,547 INFO L225 Difference]: With dead ends: 894 [2018-11-18 15:07:58,548 INFO L226 Difference]: Without dead ends: 633 [2018-11-18 15:07:58,553 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:07:58,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-18 15:07:58,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 434. [2018-11-18 15:07:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-18 15:07:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 662 transitions. [2018-11-18 15:07:58,606 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 662 transitions. Word has length 43 [2018-11-18 15:07:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:07:58,607 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 662 transitions. [2018-11-18 15:07:58,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:07:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 662 transitions. [2018-11-18 15:07:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 15:07:58,611 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:07:58,611 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:07:58,611 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:07:58,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:07:58,612 INFO L82 PathProgramCache]: Analyzing trace with hash 2115089016, now seen corresponding path program 1 times [2018-11-18 15:07:58,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:07:58,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:07:58,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:07:58,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:07:58,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:07:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:58,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:07:58,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:07:58,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:07:58,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:07:58,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:07:58,730 INFO L87 Difference]: Start difference. First operand 434 states and 662 transitions. Second operand 4 states. [2018-11-18 15:07:59,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:07:59,604 INFO L93 Difference]: Finished difference Result 1594 states and 2534 transitions. [2018-11-18 15:07:59,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:07:59,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-11-18 15:07:59,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:07:59,609 INFO L225 Difference]: With dead ends: 1594 [2018-11-18 15:07:59,609 INFO L226 Difference]: Without dead ends: 780 [2018-11-18 15:07:59,614 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:07:59,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2018-11-18 15:07:59,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2018-11-18 15:07:59,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2018-11-18 15:07:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1153 transitions. [2018-11-18 15:07:59,642 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1153 transitions. Word has length 127 [2018-11-18 15:07:59,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:07:59,642 INFO L480 AbstractCegarLoop]: Abstraction has 780 states and 1153 transitions. [2018-11-18 15:07:59,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:07:59,643 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1153 transitions. [2018-11-18 15:07:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 15:07:59,646 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:07:59,646 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:07:59,646 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:07:59,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:07:59,646 INFO L82 PathProgramCache]: Analyzing trace with hash -385622320, now seen corresponding path program 1 times [2018-11-18 15:07:59,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:07:59,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:07:59,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:07:59,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:07:59,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:07:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:07:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:07:59,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:07:59,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:07:59,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:07:59,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:07:59,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:07:59,753 INFO L87 Difference]: Start difference. First operand 780 states and 1153 transitions. Second operand 4 states. [2018-11-18 15:08:00,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:00,640 INFO L93 Difference]: Finished difference Result 3018 states and 4609 transitions. [2018-11-18 15:08:00,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:08:00,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-11-18 15:08:00,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:00,652 INFO L225 Difference]: With dead ends: 3018 [2018-11-18 15:08:00,653 INFO L226 Difference]: Without dead ends: 2244 [2018-11-18 15:08:00,660 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:08:00,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2018-11-18 15:08:00,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2244. [2018-11-18 15:08:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2244 states. [2018-11-18 15:08:00,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 2244 states and 3156 transitions. [2018-11-18 15:08:00,715 INFO L78 Accepts]: Start accepts. Automaton has 2244 states and 3156 transitions. Word has length 139 [2018-11-18 15:08:00,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:00,715 INFO L480 AbstractCegarLoop]: Abstraction has 2244 states and 3156 transitions. [2018-11-18 15:08:00,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:08:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 3156 transitions. [2018-11-18 15:08:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 15:08:00,723 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:00,724 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:08:00,724 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:00,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:00,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1047456719, now seen corresponding path program 1 times [2018-11-18 15:08:00,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:00,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:00,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:00,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:00,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:08:00,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:00,891 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:00,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:00,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:08:01,187 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:01,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 15:08:01,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:08:01,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:08:01,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:08:01,189 INFO L87 Difference]: Start difference. First operand 2244 states and 3156 transitions. Second operand 9 states. [2018-11-18 15:08:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:03,452 INFO L93 Difference]: Finished difference Result 6566 states and 10229 transitions. [2018-11-18 15:08:03,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:08:03,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 259 [2018-11-18 15:08:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:03,468 INFO L225 Difference]: With dead ends: 6566 [2018-11-18 15:08:03,469 INFO L226 Difference]: Without dead ends: 3363 [2018-11-18 15:08:03,485 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:08:03,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3363 states. [2018-11-18 15:08:03,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3363 to 3248. [2018-11-18 15:08:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3248 states. [2018-11-18 15:08:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4177 transitions. [2018-11-18 15:08:03,556 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4177 transitions. Word has length 259 [2018-11-18 15:08:03,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:03,557 INFO L480 AbstractCegarLoop]: Abstraction has 3248 states and 4177 transitions. [2018-11-18 15:08:03,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:08:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4177 transitions. [2018-11-18 15:08:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-18 15:08:03,565 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:03,566 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:03,566 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:03,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:03,566 INFO L82 PathProgramCache]: Analyzing trace with hash 396889995, now seen corresponding path program 1 times [2018-11-18 15:08:03,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:03,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:03,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:03,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:03,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 73 proven. 41 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 15:08:03,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:03,718 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:03,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:03,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 180 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:08:03,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:03,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 15:08:03,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:08:03,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:08:03,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:08:03,858 INFO L87 Difference]: Start difference. First operand 3248 states and 4177 transitions. Second operand 9 states. [2018-11-18 15:08:04,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:04,626 INFO L93 Difference]: Finished difference Result 6282 states and 8164 transitions. [2018-11-18 15:08:04,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:08:04,627 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 273 [2018-11-18 15:08:04,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:04,641 INFO L225 Difference]: With dead ends: 6282 [2018-11-18 15:08:04,641 INFO L226 Difference]: Without dead ends: 3248 [2018-11-18 15:08:04,655 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 274 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:08:04,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2018-11-18 15:08:04,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3176. [2018-11-18 15:08:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3176 states. [2018-11-18 15:08:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 3974 transitions. [2018-11-18 15:08:04,744 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 3974 transitions. Word has length 273 [2018-11-18 15:08:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:04,745 INFO L480 AbstractCegarLoop]: Abstraction has 3176 states and 3974 transitions. [2018-11-18 15:08:04,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:08:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 3974 transitions. [2018-11-18 15:08:04,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 15:08:04,753 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:04,753 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:08:04,754 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:04,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:04,754 INFO L82 PathProgramCache]: Analyzing trace with hash 259056362, now seen corresponding path program 1 times [2018-11-18 15:08:04,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:04,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:04,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:04,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:04,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 146 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:08:05,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:05,258 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:05,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:05,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:08:05,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:08:05,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2018-11-18 15:08:05,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 15:08:05,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 15:08:05,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:08:05,466 INFO L87 Difference]: Start difference. First operand 3176 states and 3974 transitions. Second operand 15 states. [2018-11-18 15:08:10,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:10,513 INFO L93 Difference]: Finished difference Result 9566 states and 11707 transitions. [2018-11-18 15:08:10,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-11-18 15:08:10,514 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 276 [2018-11-18 15:08:10,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:10,534 INFO L225 Difference]: With dead ends: 9566 [2018-11-18 15:08:10,534 INFO L226 Difference]: Without dead ends: 5740 [2018-11-18 15:08:10,544 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 292 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2018-11-18 15:08:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5740 states. [2018-11-18 15:08:10,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5740 to 5013. [2018-11-18 15:08:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5013 states. [2018-11-18 15:08:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 5013 states and 5928 transitions. [2018-11-18 15:08:10,679 INFO L78 Accepts]: Start accepts. Automaton has 5013 states and 5928 transitions. Word has length 276 [2018-11-18 15:08:10,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:10,680 INFO L480 AbstractCegarLoop]: Abstraction has 5013 states and 5928 transitions. [2018-11-18 15:08:10,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 15:08:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5013 states and 5928 transitions. [2018-11-18 15:08:10,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-11-18 15:08:10,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:10,699 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:10,699 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:10,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:10,700 INFO L82 PathProgramCache]: Analyzing trace with hash -924704644, now seen corresponding path program 1 times [2018-11-18 15:08:10,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:10,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:10,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:10,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:10,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 196 proven. 197 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:08:11,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:11,281 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:11,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:11,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 308 proven. 53 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:08:11,591 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:11,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-11-18 15:08:11,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 15:08:11,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 15:08:11,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:08:11,593 INFO L87 Difference]: Start difference. First operand 5013 states and 5928 transitions. Second operand 15 states. [2018-11-18 15:08:13,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:13,445 INFO L93 Difference]: Finished difference Result 10229 states and 12163 transitions. [2018-11-18 15:08:13,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 15:08:13,445 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 379 [2018-11-18 15:08:13,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:13,454 INFO L225 Difference]: With dead ends: 10229 [2018-11-18 15:08:13,454 INFO L226 Difference]: Without dead ends: 5205 [2018-11-18 15:08:13,461 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 391 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2018-11-18 15:08:13,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5205 states. [2018-11-18 15:08:13,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5205 to 5152. [2018-11-18 15:08:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5152 states. [2018-11-18 15:08:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 5907 transitions. [2018-11-18 15:08:13,518 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 5907 transitions. Word has length 379 [2018-11-18 15:08:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:13,519 INFO L480 AbstractCegarLoop]: Abstraction has 5152 states and 5907 transitions. [2018-11-18 15:08:13,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 15:08:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 5907 transitions. [2018-11-18 15:08:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-18 15:08:13,530 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:13,531 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:13,531 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:13,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:13,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1434091843, now seen corresponding path program 1 times [2018-11-18 15:08:13,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:13,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:13,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:13,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:13,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 339 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 15:08:14,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:14,077 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:14,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:14,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:14,254 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-11-18 15:08:14,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:08:14,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2018-11-18 15:08:14,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 15:08:14,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 15:08:14,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-18 15:08:14,275 INFO L87 Difference]: Start difference. First operand 5152 states and 5907 transitions. Second operand 16 states. [2018-11-18 15:08:16,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:16,760 INFO L93 Difference]: Finished difference Result 10129 states and 11699 transitions. [2018-11-18 15:08:16,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-18 15:08:16,761 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 404 [2018-11-18 15:08:16,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:16,774 INFO L225 Difference]: With dead ends: 10129 [2018-11-18 15:08:16,774 INFO L226 Difference]: Without dead ends: 5351 [2018-11-18 15:08:16,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=596, Invalid=2160, Unknown=0, NotChecked=0, Total=2756 [2018-11-18 15:08:16,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5351 states. [2018-11-18 15:08:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5351 to 5170. [2018-11-18 15:08:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5170 states. [2018-11-18 15:08:16,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 5754 transitions. [2018-11-18 15:08:16,863 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 5754 transitions. Word has length 404 [2018-11-18 15:08:16,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:16,863 INFO L480 AbstractCegarLoop]: Abstraction has 5170 states and 5754 transitions. [2018-11-18 15:08:16,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 15:08:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 5754 transitions. [2018-11-18 15:08:16,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2018-11-18 15:08:16,887 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:16,887 INFO L375 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:16,887 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:16,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:16,888 INFO L82 PathProgramCache]: Analyzing trace with hash -903410228, now seen corresponding path program 1 times [2018-11-18 15:08:16,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:16,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:16,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:16,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:16,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 422 proven. 222 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2018-11-18 15:08:17,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:17,347 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:17,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:17,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1293 backedges. 635 proven. 2 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2018-11-18 15:08:17,727 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:17,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-18 15:08:17,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 15:08:17,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 15:08:17,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:08:17,728 INFO L87 Difference]: Start difference. First operand 5170 states and 5754 transitions. Second operand 11 states. [2018-11-18 15:08:20,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:20,120 INFO L93 Difference]: Finished difference Result 12299 states and 14018 transitions. [2018-11-18 15:08:20,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 15:08:20,120 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 611 [2018-11-18 15:08:20,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:20,133 INFO L225 Difference]: With dead ends: 12299 [2018-11-18 15:08:20,133 INFO L226 Difference]: Without dead ends: 5358 [2018-11-18 15:08:20,147 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 624 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2018-11-18 15:08:20,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5358 states. [2018-11-18 15:08:20,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5358 to 5016. [2018-11-18 15:08:20,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5016 states. [2018-11-18 15:08:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5016 states to 5016 states and 5621 transitions. [2018-11-18 15:08:20,203 INFO L78 Accepts]: Start accepts. Automaton has 5016 states and 5621 transitions. Word has length 611 [2018-11-18 15:08:20,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:20,204 INFO L480 AbstractCegarLoop]: Abstraction has 5016 states and 5621 transitions. [2018-11-18 15:08:20,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 15:08:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 5016 states and 5621 transitions. [2018-11-18 15:08:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2018-11-18 15:08:20,213 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:20,213 INFO L375 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:20,214 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:20,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:20,214 INFO L82 PathProgramCache]: Analyzing trace with hash -459704605, now seen corresponding path program 1 times [2018-11-18 15:08:20,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:20,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:20,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:20,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:20,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 538 proven. 119 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2018-11-18 15:08:20,522 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:20,522 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:20,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:20,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 945 proven. 2 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2018-11-18 15:08:20,786 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:20,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-18 15:08:20,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:08:20,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:08:20,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:08:20,787 INFO L87 Difference]: Start difference. First operand 5016 states and 5621 transitions. Second operand 7 states. [2018-11-18 15:08:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:21,711 INFO L93 Difference]: Finished difference Result 12274 states and 14831 transitions. [2018-11-18 15:08:21,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 15:08:21,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 682 [2018-11-18 15:08:21,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:21,740 INFO L225 Difference]: With dead ends: 12274 [2018-11-18 15:08:21,740 INFO L226 Difference]: Without dead ends: 7632 [2018-11-18 15:08:21,755 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 686 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:08:21,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7632 states. [2018-11-18 15:08:21,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7632 to 6942. [2018-11-18 15:08:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6942 states. [2018-11-18 15:08:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6942 states to 6942 states and 7832 transitions. [2018-11-18 15:08:21,886 INFO L78 Accepts]: Start accepts. Automaton has 6942 states and 7832 transitions. Word has length 682 [2018-11-18 15:08:21,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:21,886 INFO L480 AbstractCegarLoop]: Abstraction has 6942 states and 7832 transitions. [2018-11-18 15:08:21,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:08:21,887 INFO L276 IsEmpty]: Start isEmpty. Operand 6942 states and 7832 transitions. [2018-11-18 15:08:21,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2018-11-18 15:08:21,902 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:21,902 INFO L375 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, 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, 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, 4, 3, 3, 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] [2018-11-18 15:08:21,903 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:21,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:21,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1430426016, now seen corresponding path program 1 times [2018-11-18 15:08:21,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:21,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:21,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:21,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:21,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 562 proven. 777 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-18 15:08:22,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:22,828 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:22,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:22,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 1290 proven. 2 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2018-11-18 15:08:23,268 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:23,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2018-11-18 15:08:23,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 15:08:23,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 15:08:23,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:08:23,270 INFO L87 Difference]: Start difference. First operand 6942 states and 7832 transitions. Second operand 13 states. [2018-11-18 15:08:24,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:24,509 INFO L93 Difference]: Finished difference Result 13970 states and 16285 transitions. [2018-11-18 15:08:24,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 15:08:24,509 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 714 [2018-11-18 15:08:24,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:24,533 INFO L225 Difference]: With dead ends: 13970 [2018-11-18 15:08:24,533 INFO L226 Difference]: Without dead ends: 7012 [2018-11-18 15:08:24,549 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 722 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-11-18 15:08:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7012 states. [2018-11-18 15:08:24,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7012 to 6646. [2018-11-18 15:08:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6646 states. [2018-11-18 15:08:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6646 states to 6646 states and 7367 transitions. [2018-11-18 15:08:24,664 INFO L78 Accepts]: Start accepts. Automaton has 6646 states and 7367 transitions. Word has length 714 [2018-11-18 15:08:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:24,664 INFO L480 AbstractCegarLoop]: Abstraction has 6646 states and 7367 transitions. [2018-11-18 15:08:24,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 15:08:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 6646 states and 7367 transitions. [2018-11-18 15:08:24,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2018-11-18 15:08:24,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:24,672 INFO L375 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:24,672 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:24,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:24,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1083649076, now seen corresponding path program 1 times [2018-11-18 15:08:24,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:24,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:24,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:24,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:24,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 537 proven. 602 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-11-18 15:08:25,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:25,577 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:25,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:25,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:26,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 992 proven. 2 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2018-11-18 15:08:26,055 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:26,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6] total 17 [2018-11-18 15:08:26,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 15:08:26,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 15:08:26,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:08:26,056 INFO L87 Difference]: Start difference. First operand 6646 states and 7367 transitions. Second operand 17 states. [2018-11-18 15:08:28,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:28,800 INFO L93 Difference]: Finished difference Result 12925 states and 14499 transitions. [2018-11-18 15:08:28,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 15:08:28,800 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 727 [2018-11-18 15:08:28,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:28,812 INFO L225 Difference]: With dead ends: 12925 [2018-11-18 15:08:28,812 INFO L226 Difference]: Without dead ends: 6653 [2018-11-18 15:08:28,822 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 750 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=503, Invalid=1849, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 15:08:28,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6653 states. [2018-11-18 15:08:28,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6653 to 6332. [2018-11-18 15:08:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6332 states. [2018-11-18 15:08:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6332 states to 6332 states and 6786 transitions. [2018-11-18 15:08:28,911 INFO L78 Accepts]: Start accepts. Automaton has 6332 states and 6786 transitions. Word has length 727 [2018-11-18 15:08:28,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:28,912 INFO L480 AbstractCegarLoop]: Abstraction has 6332 states and 6786 transitions. [2018-11-18 15:08:28,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 15:08:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 6332 states and 6786 transitions. [2018-11-18 15:08:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2018-11-18 15:08:28,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:28,920 INFO L375 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:08:28,920 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:28,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:28,921 INFO L82 PathProgramCache]: Analyzing trace with hash -727954368, now seen corresponding path program 1 times [2018-11-18 15:08:28,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:28,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:28,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:28,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:28,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 588 proven. 887 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-11-18 15:08:29,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:29,779 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:29,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:29,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:30,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1921 backedges. 800 proven. 2 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2018-11-18 15:08:30,239 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:30,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-18 15:08:30,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 15:08:30,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 15:08:30,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-11-18 15:08:30,240 INFO L87 Difference]: Start difference. First operand 6332 states and 6786 transitions. Second operand 18 states. [2018-11-18 15:08:33,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:33,492 INFO L93 Difference]: Finished difference Result 12893 states and 14258 transitions. [2018-11-18 15:08:33,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 15:08:33,492 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 762 [2018-11-18 15:08:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:33,504 INFO L225 Difference]: With dead ends: 12893 [2018-11-18 15:08:33,505 INFO L226 Difference]: Without dead ends: 6191 [2018-11-18 15:08:33,514 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 779 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=669, Invalid=2411, Unknown=0, NotChecked=0, Total=3080 [2018-11-18 15:08:33,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6191 states. [2018-11-18 15:08:33,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6191 to 5829. [2018-11-18 15:08:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5829 states. [2018-11-18 15:08:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5829 states to 5829 states and 6137 transitions. [2018-11-18 15:08:33,592 INFO L78 Accepts]: Start accepts. Automaton has 5829 states and 6137 transitions. Word has length 762 [2018-11-18 15:08:33,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:33,592 INFO L480 AbstractCegarLoop]: Abstraction has 5829 states and 6137 transitions. [2018-11-18 15:08:33,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 15:08:33,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5829 states and 6137 transitions. [2018-11-18 15:08:33,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2018-11-18 15:08:33,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:33,598 INFO L375 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:08:33,598 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:33,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:33,598 INFO L82 PathProgramCache]: Analyzing trace with hash -658629070, now seen corresponding path program 1 times [2018-11-18 15:08:33,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:33,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:33,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:33,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:33,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 785 proven. 845 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 15:08:35,195 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:35,195 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:35,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:35,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 1264 proven. 2 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2018-11-18 15:08:35,533 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:35,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-18 15:08:35,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 15:08:35,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 15:08:35,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-11-18 15:08:35,534 INFO L87 Difference]: Start difference. First operand 5829 states and 6137 transitions. Second operand 20 states. [2018-11-18 15:08:40,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:40,199 INFO L93 Difference]: Finished difference Result 11811 states and 12500 transitions. [2018-11-18 15:08:40,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-11-18 15:08:40,199 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 842 [2018-11-18 15:08:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:40,210 INFO L225 Difference]: With dead ends: 11811 [2018-11-18 15:08:40,210 INFO L226 Difference]: Without dead ends: 6025 [2018-11-18 15:08:40,220 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 969 GetRequests, 889 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1851 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=923, Invalid=5083, Unknown=0, NotChecked=0, Total=6006 [2018-11-18 15:08:40,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6025 states. [2018-11-18 15:08:40,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6025 to 5588. [2018-11-18 15:08:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5588 states. [2018-11-18 15:08:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5588 states to 5588 states and 5844 transitions. [2018-11-18 15:08:40,294 INFO L78 Accepts]: Start accepts. Automaton has 5588 states and 5844 transitions. Word has length 842 [2018-11-18 15:08:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:40,295 INFO L480 AbstractCegarLoop]: Abstraction has 5588 states and 5844 transitions. [2018-11-18 15:08:40,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 15:08:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5588 states and 5844 transitions. [2018-11-18 15:08:40,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2018-11-18 15:08:40,304 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:40,304 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:40,305 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:40,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:40,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1466707353, now seen corresponding path program 1 times [2018-11-18 15:08:40,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:40,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:40,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:40,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:40,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 690 proven. 1732 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2018-11-18 15:08:42,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:42,125 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:42,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:42,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 2358 proven. 2 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2018-11-18 15:08:42,915 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:42,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16 [2018-11-18 15:08:42,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 15:08:42,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 15:08:42,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-11-18 15:08:42,916 INFO L87 Difference]: Start difference. First operand 5588 states and 5844 transitions. Second operand 16 states. [2018-11-18 15:08:45,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:45,263 INFO L93 Difference]: Finished difference Result 11323 states and 11876 transitions. [2018-11-18 15:08:45,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-18 15:08:45,263 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1121 [2018-11-18 15:08:45,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:45,272 INFO L225 Difference]: With dead ends: 11323 [2018-11-18 15:08:45,272 INFO L226 Difference]: Without dead ends: 5926 [2018-11-18 15:08:45,276 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1171 GetRequests, 1136 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2018-11-18 15:08:45,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2018-11-18 15:08:45,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5606. [2018-11-18 15:08:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5606 states. [2018-11-18 15:08:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5606 states to 5606 states and 5856 transitions. [2018-11-18 15:08:45,331 INFO L78 Accepts]: Start accepts. Automaton has 5606 states and 5856 transitions. Word has length 1121 [2018-11-18 15:08:45,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:45,332 INFO L480 AbstractCegarLoop]: Abstraction has 5606 states and 5856 transitions. [2018-11-18 15:08:45,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 15:08:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5606 states and 5856 transitions. [2018-11-18 15:08:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1148 [2018-11-18 15:08:45,339 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:45,339 INFO L375 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:45,340 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:45,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:45,340 INFO L82 PathProgramCache]: Analyzing trace with hash 831716118, now seen corresponding path program 1 times [2018-11-18 15:08:45,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:45,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:45,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:45,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:45,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3995 backedges. 1677 proven. 355 refuted. 0 times theorem prover too weak. 1963 trivial. 0 not checked. [2018-11-18 15:08:46,056 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:46,056 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:46,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:46,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3995 backedges. 2463 proven. 6 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2018-11-18 15:08:46,588 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:46,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-18 15:08:46,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:08:46,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:08:46,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:08:46,590 INFO L87 Difference]: Start difference. First operand 5606 states and 5856 transitions. Second operand 9 states. [2018-11-18 15:08:47,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:47,681 INFO L93 Difference]: Finished difference Result 12918 states and 13594 transitions. [2018-11-18 15:08:47,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:08:47,681 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1147 [2018-11-18 15:08:47,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:47,690 INFO L225 Difference]: With dead ends: 12918 [2018-11-18 15:08:47,690 INFO L226 Difference]: Without dead ends: 7503 [2018-11-18 15:08:47,695 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1174 GetRequests, 1157 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-11-18 15:08:47,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7503 states. [2018-11-18 15:08:47,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7503 to 6297. [2018-11-18 15:08:47,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6297 states. [2018-11-18 15:08:47,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6297 states to 6297 states and 6579 transitions. [2018-11-18 15:08:47,766 INFO L78 Accepts]: Start accepts. Automaton has 6297 states and 6579 transitions. Word has length 1147 [2018-11-18 15:08:47,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:47,767 INFO L480 AbstractCegarLoop]: Abstraction has 6297 states and 6579 transitions. [2018-11-18 15:08:47,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:08:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6297 states and 6579 transitions. [2018-11-18 15:08:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1398 [2018-11-18 15:08:47,777 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:47,778 INFO L375 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, 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, 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, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:08:47,778 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:47,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:47,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1127811950, now seen corresponding path program 1 times [2018-11-18 15:08:47,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:47,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:47,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:47,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:47,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:49,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 1336 proven. 3047 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2018-11-18 15:08:49,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:49,742 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:49,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:49,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:08:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 3198 proven. 2 refuted. 0 times theorem prover too weak. 2968 trivial. 0 not checked. [2018-11-18 15:08:50,651 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:08:50,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-18 15:08:50,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 15:08:50,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 15:08:50,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2018-11-18 15:08:50,653 INFO L87 Difference]: Start difference. First operand 6297 states and 6579 transitions. Second operand 20 states. [2018-11-18 15:08:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:08:56,506 INFO L93 Difference]: Finished difference Result 13541 states and 15354 transitions. [2018-11-18 15:08:56,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-11-18 15:08:56,506 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1397 [2018-11-18 15:08:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:08:56,523 INFO L225 Difference]: With dead ends: 13541 [2018-11-18 15:08:56,523 INFO L226 Difference]: Without dead ends: 7075 [2018-11-18 15:08:56,534 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1517 GetRequests, 1431 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2521 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1356, Invalid=6300, Unknown=0, NotChecked=0, Total=7656 [2018-11-18 15:08:56,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2018-11-18 15:08:56,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 5478. [2018-11-18 15:08:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5478 states. [2018-11-18 15:08:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 5691 transitions. [2018-11-18 15:08:56,625 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 5691 transitions. Word has length 1397 [2018-11-18 15:08:56,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:08:56,626 INFO L480 AbstractCegarLoop]: Abstraction has 5478 states and 5691 transitions. [2018-11-18 15:08:56,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 15:08:56,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 5691 transitions. [2018-11-18 15:08:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1705 [2018-11-18 15:08:56,640 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:08:56,641 INFO L375 BasicCegarLoop]: trace histogram [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, 14, 14, 14, 14, 14, 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, 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, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-18 15:08:56,641 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:08:56,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:08:56,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1910971973, now seen corresponding path program 1 times [2018-11-18 15:08:56,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:08:56,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:08:56,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:56,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:08:56,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:08:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:08:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8916 backedges. 1940 proven. 5325 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 15:08:59,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:08:59,907 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:08:59,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:00,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8916 backedges. 2874 proven. 85 refuted. 0 times theorem prover too weak. 5957 trivial. 0 not checked. [2018-11-18 15:09:01,076 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:09:01,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8] total 33 [2018-11-18 15:09:01,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-18 15:09:01,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-18 15:09:01,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 15:09:01,078 INFO L87 Difference]: Start difference. First operand 5478 states and 5691 transitions. Second operand 33 states. [2018-11-18 15:09:13,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:13,495 INFO L93 Difference]: Finished difference Result 12678 states and 13381 transitions. [2018-11-18 15:09:13,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-11-18 15:09:13,496 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1704 [2018-11-18 15:09:13,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:13,508 INFO L225 Difference]: With dead ends: 12678 [2018-11-18 15:09:13,509 INFO L226 Difference]: Without dead ends: 6146 [2018-11-18 15:09:13,521 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1904 GetRequests, 1759 SyntacticMatches, 2 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7192 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3047, Invalid=17833, Unknown=0, NotChecked=0, Total=20880 [2018-11-18 15:09:13,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6146 states. [2018-11-18 15:09:13,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6146 to 4970. [2018-11-18 15:09:13,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4970 states. [2018-11-18 15:09:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4970 states to 4970 states and 5118 transitions. [2018-11-18 15:09:13,595 INFO L78 Accepts]: Start accepts. Automaton has 4970 states and 5118 transitions. Word has length 1704 [2018-11-18 15:09:13,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:13,595 INFO L480 AbstractCegarLoop]: Abstraction has 4970 states and 5118 transitions. [2018-11-18 15:09:13,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-18 15:09:13,596 INFO L276 IsEmpty]: Start isEmpty. Operand 4970 states and 5118 transitions. [2018-11-18 15:09:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1959 [2018-11-18 15:09:13,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:13,621 INFO L375 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, 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, 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, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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] [2018-11-18 15:09:13,621 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:13,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:13,622 INFO L82 PathProgramCache]: Analyzing trace with hash -358606529, now seen corresponding path program 1 times [2018-11-18 15:09:13,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:09:13,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:09:13,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:09:13,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:13,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:09:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12086 backedges. 2561 proven. 6837 refuted. 0 times theorem prover too weak. 2688 trivial. 0 not checked. [2018-11-18 15:09:17,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:09:17,555 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:09:17,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:17,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12086 backedges. 5834 proven. 12 refuted. 0 times theorem prover too weak. 6240 trivial. 0 not checked. [2018-11-18 15:09:20,049 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:09:20,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9] total 33 [2018-11-18 15:09:20,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-18 15:09:20,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-18 15:09:20,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=938, Unknown=1, NotChecked=0, Total=1056 [2018-11-18 15:09:20,051 INFO L87 Difference]: Start difference. First operand 4970 states and 5118 transitions. Second operand 33 states. [2018-11-18 15:09:27,313 WARN L180 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2018-11-18 15:09:33,220 WARN L180 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 79 DAG size of output: 42 [2018-11-18 15:09:47,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:47,757 INFO L93 Difference]: Finished difference Result 14303 states and 15394 transitions. [2018-11-18 15:09:47,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-11-18 15:09:47,758 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1958 [2018-11-18 15:09:47,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:47,779 INFO L225 Difference]: With dead ends: 14303 [2018-11-18 15:09:47,779 INFO L226 Difference]: Without dead ends: 8064 [2018-11-18 15:09:47,793 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2192 GetRequests, 2011 SyntacticMatches, 4 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11434 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=4268, Invalid=27591, Unknown=3, NotChecked=0, Total=31862 [2018-11-18 15:09:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8064 states. [2018-11-18 15:09:47,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8064 to 6549. [2018-11-18 15:09:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6549 states. [2018-11-18 15:09:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6549 states to 6549 states and 6714 transitions. [2018-11-18 15:09:47,935 INFO L78 Accepts]: Start accepts. Automaton has 6549 states and 6714 transitions. Word has length 1958 [2018-11-18 15:09:47,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:47,937 INFO L480 AbstractCegarLoop]: Abstraction has 6549 states and 6714 transitions. [2018-11-18 15:09:47,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-18 15:09:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 6549 states and 6714 transitions. [2018-11-18 15:09:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2012 [2018-11-18 15:09:47,970 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:47,970 INFO L375 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, 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, 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, 11, 11, 11, 10, 10, 10, 10, 9, 8, 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, 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, 1, 1] [2018-11-18 15:09:47,970 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:47,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:47,971 INFO L82 PathProgramCache]: Analyzing trace with hash 167620738, now seen corresponding path program 1 times [2018-11-18 15:09:47,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:09:47,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:09:47,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:09:47,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:47,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:09:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12254 backedges. 6778 proven. 1411 refuted. 0 times theorem prover too weak. 4065 trivial. 0 not checked. [2018-11-18 15:09:52,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:09:52,106 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:09:52,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:09:52,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:09:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12254 backedges. 2148 proven. 2 refuted. 0 times theorem prover too weak. 10104 trivial. 0 not checked. [2018-11-18 15:09:53,635 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:09:53,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 19 [2018-11-18 15:09:53,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 15:09:53,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 15:09:53,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:09:53,637 INFO L87 Difference]: Start difference. First operand 6549 states and 6714 transitions. Second operand 19 states. [2018-11-18 15:09:56,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:09:56,181 INFO L93 Difference]: Finished difference Result 12984 states and 13390 transitions. [2018-11-18 15:09:56,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 15:09:56,181 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 2011 [2018-11-18 15:09:56,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:09:56,190 INFO L225 Difference]: With dead ends: 12984 [2018-11-18 15:09:56,190 INFO L226 Difference]: Without dead ends: 6626 [2018-11-18 15:09:56,196 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2092 GetRequests, 2044 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=555, Invalid=1895, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 15:09:56,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6626 states. [2018-11-18 15:09:56,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6626 to 5851. [2018-11-18 15:09:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5851 states. [2018-11-18 15:09:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5851 states to 5851 states and 5960 transitions. [2018-11-18 15:09:56,290 INFO L78 Accepts]: Start accepts. Automaton has 5851 states and 5960 transitions. Word has length 2011 [2018-11-18 15:09:56,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:09:56,291 INFO L480 AbstractCegarLoop]: Abstraction has 5851 states and 5960 transitions. [2018-11-18 15:09:56,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 15:09:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5851 states and 5960 transitions. [2018-11-18 15:09:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2307 [2018-11-18 15:09:56,314 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:09:56,314 INFO L375 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 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, 14, 13, 13, 13, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 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, 4, 4, 4, 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] [2018-11-18 15:09:56,314 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:09:56,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:09:56,315 INFO L82 PathProgramCache]: Analyzing trace with hash 870959395, now seen corresponding path program 1 times [2018-11-18 15:09:56,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:09:56,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:09:56,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:09:56,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:09:56,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:09:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 16139 backedges. 2266 proven. 5841 refuted. 0 times theorem prover too weak. 8032 trivial. 0 not checked. [2018-11-18 15:10:00,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:10:00,240 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:10:00,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:00,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16139 backedges. 7067 proven. 2 refuted. 0 times theorem prover too weak. 9070 trivial. 0 not checked. [2018-11-18 15:10:02,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:10:02,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-18 15:10:02,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 15:10:02,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 15:10:02,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-11-18 15:10:02,017 INFO L87 Difference]: Start difference. First operand 5851 states and 5960 transitions. Second operand 18 states. [2018-11-18 15:10:03,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:03,910 INFO L93 Difference]: Finished difference Result 10084 states and 10364 transitions. [2018-11-18 15:10:03,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 15:10:03,910 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 2306 [2018-11-18 15:10:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:03,915 INFO L225 Difference]: With dead ends: 10084 [2018-11-18 15:10:03,915 INFO L226 Difference]: Without dead ends: 5013 [2018-11-18 15:10:03,918 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2384 GetRequests, 2337 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=525, Invalid=1827, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 15:10:03,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5013 states. [2018-11-18 15:10:03,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5013 to 4280. [2018-11-18 15:10:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2018-11-18 15:10:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 4342 transitions. [2018-11-18 15:10:03,969 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 4342 transitions. Word has length 2306 [2018-11-18 15:10:03,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:03,969 INFO L480 AbstractCegarLoop]: Abstraction has 4280 states and 4342 transitions. [2018-11-18 15:10:03,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 15:10:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 4342 transitions. [2018-11-18 15:10:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2444 [2018-11-18 15:10:03,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:10:03,991 INFO L375 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 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, 14, 14, 14, 13, 13, 13, 13, 12, 11, 10, 10, 10, 10, 10, 10, 9, 9, 7, 7, 7, 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, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:10:03,991 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:10:03,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:10:03,992 INFO L82 PathProgramCache]: Analyzing trace with hash -945940515, now seen corresponding path program 1 times [2018-11-18 15:10:03,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:10:03,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:10:03,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:10:03,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:03,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:10:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 18192 backedges. 2300 proven. 9298 refuted. 0 times theorem prover too weak. 6594 trivial. 0 not checked. [2018-11-18 15:10:09,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:10:09,008 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:10:09,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:10:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:10:09,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:10:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18192 backedges. 2588 proven. 39 refuted. 0 times theorem prover too weak. 15565 trivial. 0 not checked. [2018-11-18 15:10:10,847 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:10:10,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 6] total 30 [2018-11-18 15:10:10,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-11-18 15:10:10,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-11-18 15:10:10,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2018-11-18 15:10:10,850 INFO L87 Difference]: Start difference. First operand 4280 states and 4342 transitions. Second operand 30 states. [2018-11-18 15:10:17,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:10:17,113 INFO L93 Difference]: Finished difference Result 4948 states and 5064 transitions. [2018-11-18 15:10:17,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-11-18 15:10:17,115 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 2443 [2018-11-18 15:10:17,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:10:17,116 INFO L225 Difference]: With dead ends: 4948 [2018-11-18 15:10:17,116 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:10:17,119 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2566 GetRequests, 2469 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2602 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1573, Invalid=7739, Unknown=0, NotChecked=0, Total=9312 [2018-11-18 15:10:17,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:10:17,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:10:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:10:17,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:10:17,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2443 [2018-11-18 15:10:17,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:10:17,120 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:10:17,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-11-18 15:10:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:10:17,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:10:17,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:10:17,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:17,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:18,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:19,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:19,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:19,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:20,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:20,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:20,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,301 WARN L180 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1101 [2018-11-18 15:10:21,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:21,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:22,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:22,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:22,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:22,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:22,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:22,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:22,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:23,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:23,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:23,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:24,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:24,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:24,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:24,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:24,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:10:24,573 WARN L180 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1101 [2018-11-18 15:10:27,226 WARN L180 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 531 DAG size of output: 175 [2018-11-18 15:10:37,327 WARN L180 SmtUtils]: Spent 10.08 s on a formula simplification. DAG size of input: 1064 DAG size of output: 138 [2018-11-18 15:10:47,432 WARN L180 SmtUtils]: Spent 10.10 s on a formula simplification. DAG size of input: 1064 DAG size of output: 138 [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a12~0 |old(~a12~0)|) (<= |old(~a12~0)| ~a12~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 15:10:47,434 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 15:10:47,435 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 15:10:47,436 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 15:10:47,437 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,438 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 15:10:47,439 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 15:10:47,440 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= 7 |old(~a15~0)|)) (.cse30 (= 7 |old(~a21~0)|))) (let ((.cse27 (not .cse30)) (.cse25 (not .cse2)) (.cse11 (not (= 1 |old(~a24~0)|))) (.cse31 (= 9 ~a15~0)) (.cse17 (= 6 |old(~a21~0)|)) (.cse5 (<= ~a12~0 |old(~a12~0)|)) (.cse6 (<= |old(~a12~0)| ~a12~0)) (.cse8 (= ~a21~0 |old(~a21~0)|)) (.cse15 (= 1 ~a24~0)) (.cse24 (= 8 ~a15~0)) (.cse18 (= 10 |old(~a21~0)|))) (let ((.cse14 (< |old(~a12~0)| 19)) (.cse0 (not (= 6 |old(~a15~0)|))) (.cse29 (<= (+ ~a12~0 43) 0)) (.cse4 (< 0 (+ |old(~a12~0)| 43))) (.cse22 (< 76 |old(~a12~0)|)) (.cse21 (not .cse18)) (.cse19 (= 10 ~a21~0)) (.cse23 (< 72 |old(~a12~0)|)) (.cse3 (< 7 |old(~a15~0)|)) (.cse26 (< 11 |old(~a12~0)|)) (.cse12 (not (= 8 |old(~a15~0)|))) (.cse10 (and .cse5 .cse6 .cse8 .cse15 .cse24)) (.cse32 (<= |old(~a12~0)| 80)) (.cse33 (not (= 8 |old(~a21~0)|))) (.cse9 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a24~0 |old(~a24~0)|)) (.cse20 (not (= 9 |old(~a15~0)|))) (.cse1 (not .cse17)) (.cse28 (and .cse5 .cse6 .cse8 .cse15 .cse31)) (.cse16 (or (or .cse27 .cse25) .cse11))) (and (or .cse0 (= 6 ~a15~0)) (or (or .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9)) (or .cse10 (or .cse1 .cse11 .cse12 (forall ((v_prenex_1 Int)) (let ((.cse13 (* 68 v_prenex_1))) (or (< .cse13 0) (<= v_prenex_1 11) (< |old(~a12~0)| (+ (* 5 (div .cse13 10)) 517842))))))) (or .cse14 (and .cse5 .cse6 .cse8 (= 7 ~a15~0) .cse15) .cse16) (or .cse17 .cse2 .cse3 (and (= ~a12~0 |old(~a12~0)|) .cse7 .cse8 .cse9) .cse18) (or (and .cse5 .cse15 .cse6 .cse19 .cse9) (or .cse20 (< |old(~a12~0)| 81) (or .cse21 .cse11))) (or .cse17 .cse14 .cse22 .cse11 .cse12 .cse10) (or (and .cse5 .cse6 .cse9 .cse15 .cse19) (or .cse21 .cse2 .cse3) .cse11 .cse23) (or .cse21 .cse14 (and .cse5 .cse6 .cse15 .cse24 .cse19) .cse11 .cse12) (or .cse1 .cse25 (= ~a21~0 6)) (or (or .cse17 .cse26 .cse12) .cse11 .cse10) (or .cse20 .cse27 .cse14 .cse11 .cse28) (or .cse10 .cse11 .cse12 .cse4) (or .cse29 .cse0 .cse4) (or (and (not (= 7 ~a21~0)) .cse9) .cse30 .cse25) (or (and .cse29 .cse9) .cse25 .cse4) (or (or .cse27 .cse22 .cse12) .cse11 .cse10) (or .cse20 .cse21 .cse11 .cse26 (and .cse5 .cse6 .cse15 .cse19 .cse31)) (or .cse20 .cse28 .cse11 .cse32 .cse33) (or .cse28 (or .cse20 (not (= |old(~a15~0)| |old(~a21~0)|))) .cse11) (or .cse23 .cse33 .cse20 .cse11 .cse28 (<= |old(~a12~0)| 18)) (or (and .cse5 .cse7 .cse8 .cse9) (< 0 (+ |old(~a12~0)| 49)) .cse2 .cse3) (or .cse28 .cse33 .cse20 .cse11 .cse26) (or .cse12 .cse10 .cse32 .cse33 .cse11 (< 73282 |old(~a12~0)|)) (or (and .cse5 .cse6 .cse8 .cse9 .cse15) .cse11 (not (= 5 |old(~a15~0)|))) (or .cse25 (< 0 (+ |old(~a12~0)| 546051)) (< |old(~a21~0)| 7) (and .cse5 .cse7 .cse8)) (or .cse20 (< 95442 |old(~a12~0)|) (or .cse1 .cse11) .cse28 (< |old(~a12~0)| 95381)) (or (and .cse5 .cse6 .cse8 .cse15) (< 0 (+ |old(~a12~0)| 460226)) .cse16))))) [2018-11-18 15:10:47,440 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 15:10:47,440 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 15:10:47,440 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,440 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,440 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,440 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 15:10:47,440 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 15:10:47,441 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,442 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 15:10:47,443 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 15:10:47,444 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,445 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 15:10:47,446 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 15:10:47,447 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 15:10:47,448 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 15:10:47,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:10:47,450 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-11-18 15:10:47,450 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:10:47,450 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:10:47,450 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (and (<= ~a12~0 |old(~a12~0)|) (<= |old(~a12~0)| ~a12~0) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0)) (not (= 1 |old(~a24~0)|))) [2018-11-18 15:10:47,450 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 15:10:47,450 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse24 (= 6 ~a21~0)) (.cse15 (= 7 ~a21~0)) (.cse19 (= 10 ~a21~0))) (let ((.cse18 (= 8 ~a15~0)) (.cse22 (not .cse19)) (.cse0 (not .cse15)) (.cse20 (not (= 1 |old(~a24~0)|))) (.cse5 (not .cse24)) (.cse2 (<= ~a15~0 7)) (.cse1 (= 7 ~a15~0))) (let ((.cse4 (<= ~a12~0 11)) (.cse8 (<= ~a12~0 76)) (.cse7 (= |old(~a15~0)| ~a15~0)) (.cse12 (<= ~a12~0 72)) (.cse16 (= ~a21~0 10)) (.cse17 (and .cse2 (not .cse1))) (.cse3 (<= (+ ~a12~0 43) 0)) (.cse10 (<= 19 ~a12~0)) (.cse9 (and .cse18 (and .cse22 .cse0 (or (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|)) (or .cse20 (not (= |old(~a15~0)| 9))) .cse5))) (.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse11 (= ~a21~0 8)) (.cse21 (< 80 ~a12~0)) (.cse13 (= 9 ~a15~0)) (.cse14 (= 1 ~a24~0)) (.cse23 (= ~a21~0 6))) (or (and .cse0 .cse1) (and .cse2 (<= (+ ~a12~0 49) 0)) (and .cse1 .cse3) (and (and .cse4 .cse5) .cse6 .cse7) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse8 .cse9) .cse10) .cse6) (and (and (and (and .cse11 .cse12) .cse10) .cse13) .cse6) (and .cse14 (and .cse15 .cse13) .cse10) (and .cse14 (and (and .cse4 .cse16) .cse13)) (and (= 8 ~a21~0) .cse14 .cse4 (= ~a15~0 9)) (and (and .cse15 .cse8) .cse6 .cse7) (and .cse14 .cse12 (and .cse16 .cse17)) (and .cse18 .cse6 .cse19 .cse10) (and .cse6 (and .cse3 (<= ~a15~0 8))) .cse20 (and .cse6 (and .cse21 .cse19 .cse13)) (not (= 8 |old(~a15~0)|)) (and .cse17 .cse22 .cse5) (and .cse23 .cse2 .cse3) (and (and .cse14 .cse1) .cse10) (and (and (= ~a15~0 ~a21~0) .cse14) .cse13) (= 6 ~a15~0) (and (and (<= ~a12~0 73282) (and .cse11 (and .cse21 .cse9))) .cse6) (and .cse24 (<= 95381 ~a12~0) .cse14 (<= ~a12~0 95442) .cse13) (and .cse14 (= 5 ~a15~0)) (and (and .cse14 .cse11 .cse21) .cse13) (< 7 |old(~a21~0)|) (< |old(~a21~0)| 7) (and .cse14 (and (and .cse23 .cse18) (exists ((v_prenex_1 Int)) (let ((.cse25 (* 68 v_prenex_1))) (and (< 11 v_prenex_1) (<= (+ (* 5 (div .cse25 10)) 517842) ~a12~0) (<= 0 .cse25)))))))))) [2018-11-18 15:10:47,450 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 15:10:47,450 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 15:10:47,451 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 15:10:47,451 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse24 (= 6 ~a21~0)) (.cse15 (= 7 ~a21~0)) (.cse19 (= 10 ~a21~0))) (let ((.cse18 (= 8 ~a15~0)) (.cse22 (not .cse19)) (.cse0 (not .cse15)) (.cse20 (not (= 1 |old(~a24~0)|))) (.cse5 (not .cse24)) (.cse2 (<= ~a15~0 7)) (.cse1 (= 7 ~a15~0))) (let ((.cse4 (<= ~a12~0 11)) (.cse8 (<= ~a12~0 76)) (.cse7 (= |old(~a15~0)| ~a15~0)) (.cse12 (<= ~a12~0 72)) (.cse16 (= ~a21~0 10)) (.cse17 (and .cse2 (not .cse1))) (.cse3 (<= (+ ~a12~0 43) 0)) (.cse10 (<= 19 ~a12~0)) (.cse9 (and .cse18 (and .cse22 .cse0 (or (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|)) (or .cse20 (not (= |old(~a15~0)| 9))) .cse5))) (.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse11 (= ~a21~0 8)) (.cse21 (< 80 ~a12~0)) (.cse13 (= 9 ~a15~0)) (.cse14 (= 1 ~a24~0)) (.cse23 (= ~a21~0 6))) (or (and .cse0 .cse1) (and .cse2 (<= (+ ~a12~0 49) 0)) (and .cse1 .cse3) (and (and .cse4 .cse5) .cse6 .cse7) (< 0 (+ |old(~a12~0)| 49)) (and (and (and .cse8 .cse9) .cse10) .cse6) (and (and (and (and .cse11 .cse12) .cse10) .cse13) .cse6) (and .cse14 (and .cse15 .cse13) .cse10) (and .cse14 (and (and .cse4 .cse16) .cse13)) (and (= 8 ~a21~0) .cse14 .cse4 (= ~a15~0 9)) (and (and .cse15 .cse8) .cse6 .cse7) (and .cse14 .cse12 (and .cse16 .cse17)) (and .cse18 .cse6 .cse19 .cse10) (and .cse6 (and .cse3 (<= ~a15~0 8))) .cse20 (and .cse6 (and .cse21 .cse19 .cse13)) (not (= 8 |old(~a15~0)|)) (and .cse17 .cse22 .cse5) (and .cse23 .cse2 .cse3) (and (and .cse14 .cse1) .cse10) (and (and (= ~a15~0 ~a21~0) .cse14) .cse13) (= 6 ~a15~0) (and (and (<= ~a12~0 73282) (and .cse11 (and .cse21 .cse9))) .cse6) (and .cse24 (<= 95381 ~a12~0) .cse14 (<= ~a12~0 95442) .cse13) (and .cse14 (= 5 ~a15~0)) (and (and .cse14 .cse11 .cse21) .cse13) (< 7 |old(~a21~0)|) (< |old(~a21~0)| 7) (and .cse14 (and (and .cse23 .cse18) (exists ((v_prenex_1 Int)) (let ((.cse25 (* 68 v_prenex_1))) (and (< 11 v_prenex_1) (<= (+ (* 5 (div .cse25 10)) 517842) ~a12~0) (<= 0 .cse25)))))))))) [2018-11-18 15:10:47,451 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 15:10:47,457 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,458 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,458 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:10:47 BoogieIcfgContainer [2018-11-18 15:10:47,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:10:47,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:10:47,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:10:47,470 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:10:47,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:07:57" (3/4) ... [2018-11-18 15:10:47,474 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:10:47,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:10:47,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 15:10:47,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:10:47,496 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:10:47,497 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:10:47,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((!(7 == a21) && 7 == a15) || (a15 <= 7 && a12 + 49 <= 0)) || (7 == a15 && a12 + 43 <= 0)) || (((a12 <= 11 && !(6 == a21)) && a24 == \old(a24)) && \old(a15) == a15)) || 0 < \old(a12) + 49) || (((a12 <= 76 && 8 == a15 && (((!(10 == a21) && !(7 == a21)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && 19 <= a12) && a24 == \old(a24))) || ((((a21 == 8 && a12 <= 72) && 19 <= a12) && 9 == a15) && a24 == \old(a24))) || ((1 == a24 && 7 == a21 && 9 == a15) && 19 <= a12)) || (1 == a24 && (a12 <= 11 && a21 == 10) && 9 == a15)) || (((8 == a21 && 1 == a24) && a12 <= 11) && a15 == 9)) || (((7 == a21 && a12 <= 76) && a24 == \old(a24)) && \old(a15) == a15)) || ((1 == a24 && a12 <= 72) && a21 == 10 && a15 <= 7 && !(7 == a15))) || (((8 == a15 && a24 == \old(a24)) && 10 == a21) && 19 <= a12)) || (a24 == \old(a24) && a12 + 43 <= 0 && a15 <= 8)) || !(1 == \old(a24))) || (a24 == \old(a24) && (80 < a12 && 10 == a21) && 9 == a15)) || !(8 == \old(a15))) || (((a15 <= 7 && !(7 == a15)) && !(10 == a21)) && !(6 == a21))) || ((a21 == 6 && a15 <= 7) && a12 + 43 <= 0)) || ((1 == a24 && 7 == a15) && 19 <= a12)) || ((a15 == a21 && 1 == a24) && 9 == a15)) || 6 == a15) || ((a12 <= 73282 && a21 == 8 && 80 < a12 && 8 == a15 && (((!(10 == a21) && !(7 == a21)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && a24 == \old(a24))) || ((((6 == a21 && 95381 <= a12) && 1 == a24) && a12 <= 95442) && 9 == a15)) || (1 == a24 && 5 == a15)) || (((1 == a24 && a21 == 8) && 80 < a12) && 9 == a15)) || 7 < \old(a21)) || \old(a21) < 7) || (1 == a24 && (a21 == 6 && 8 == a15) && (\exists v_prenex_1 : int :: (11 < v_prenex_1 && 5 * (68 * v_prenex_1 / 10) + 517842 <= a12) && 0 <= 68 * v_prenex_1)) [2018-11-18 15:10:47,634 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9edc23b7-b8e1-46c8-8491-87d7eb25c48f/bin-2019/uautomizer/witness.graphml [2018-11-18 15:10:47,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:10:47,635 INFO L168 Benchmark]: Toolchain (without parser) took 172143.90 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 956.5 MB in the beginning and 4.5 GB in the end (delta: -3.6 GB). Peak memory consumption was 133.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:10:47,636 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:10:47,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.96 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 913.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:10:47,636 INFO L168 Benchmark]: Boogie Preprocessor took 124.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 913.6 MB in the beginning and 1.2 GB in the end (delta: -252.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:10:47,636 INFO L168 Benchmark]: RCFGBuilder took 1045.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:10:47,637 INFO L168 Benchmark]: TraceAbstraction took 170356.34 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: -3.5 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-18 15:10:47,637 INFO L168 Benchmark]: Witness Printer took 164.49 ms. Allocated memory is still 4.8 GB. Free memory is still 4.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:10:47,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.96 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 913.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.8 MB). Free memory was 913.6 MB in the beginning and 1.2 GB in the end (delta: -252.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1045.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 170356.34 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: -3.5 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 164.49 ms. Allocated memory is still 4.8 GB. Free memory is still 4.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: 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 [2018-11-18 15:10:47,642 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,642 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,642 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,644 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,644 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-11-18 15:10:47,644 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((!(7 == a21) && 7 == a15) || (a15 <= 7 && a12 + 49 <= 0)) || (7 == a15 && a12 + 43 <= 0)) || (((a12 <= 11 && !(6 == a21)) && a24 == \old(a24)) && \old(a15) == a15)) || 0 < \old(a12) + 49) || (((a12 <= 76 && 8 == a15 && (((!(10 == a21) && !(7 == a21)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && 19 <= a12) && a24 == \old(a24))) || ((((a21 == 8 && a12 <= 72) && 19 <= a12) && 9 == a15) && a24 == \old(a24))) || ((1 == a24 && 7 == a21 && 9 == a15) && 19 <= a12)) || (1 == a24 && (a12 <= 11 && a21 == 10) && 9 == a15)) || (((8 == a21 && 1 == a24) && a12 <= 11) && a15 == 9)) || (((7 == a21 && a12 <= 76) && a24 == \old(a24)) && \old(a15) == a15)) || ((1 == a24 && a12 <= 72) && a21 == 10 && a15 <= 7 && !(7 == a15))) || (((8 == a15 && a24 == \old(a24)) && 10 == a21) && 19 <= a12)) || (a24 == \old(a24) && a12 + 43 <= 0 && a15 <= 8)) || !(1 == \old(a24))) || (a24 == \old(a24) && (80 < a12 && 10 == a21) && 9 == a15)) || !(8 == \old(a15))) || (((a15 <= 7 && !(7 == a15)) && !(10 == a21)) && !(6 == a21))) || ((a21 == 6 && a15 <= 7) && a12 + 43 <= 0)) || ((1 == a24 && 7 == a15) && 19 <= a12)) || ((a15 == a21 && 1 == a24) && 9 == a15)) || 6 == a15) || ((a12 <= 73282 && a21 == 8 && 80 < a12 && 8 == a15 && (((!(10 == a21) && !(7 == a21)) && (\old(a12) <= 11 || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && !(6 == a21)) && a24 == \old(a24))) || ((((6 == a21 && 95381 <= a12) && 1 == a24) && a12 <= 95442) && 9 == a15)) || (1 == a24 && 5 == a15)) || (((1 == a24 && a21 == 8) && 80 < a12) && 9 == a15)) || 7 < \old(a21)) || \old(a21) < 7) || (1 == a24 && (a21 == 6 && 8 == a15) && (\exists v_prenex_1 : int :: (11 < v_prenex_1 && 5 * (68 * v_prenex_1 / 10) + 517842 <= a12) && 0 <= 68 * v_prenex_1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 170.2s OverallTime, 22 OverallIterations, 19 TraceHistogramMax, 91.1s AutomataDifference, 0.0s DeadEndRemovalTime, 30.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1975 SDtfs, 88187 SDslu, 7641 SDs, 0 SdLazy, 120128 SolverSat, 11947 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 49.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21526 GetRequests, 20451 SyntacticMatches, 27 SemanticMatches, 1048 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30633 ImplicationChecksByTransitivity, 34.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6942occurred in iteration=10, 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: 1.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 11187 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 567 PreInvPairs, 831 NumberOfFragments, 1750 HoareAnnotationTreeSize, 567 FomulaSimplifications, 124917293 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 60794262 FormulaSimplificationTreeSizeReductionInter, 22.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 40341 NumberOfCodeBlocks, 40341 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 40300 ConstructedInterpolants, 9 QuantifiedInterpolants, 241439212 SizeOfPredicates, 36 NumberOfNonLiveVariables, 27781 ConjunctsInSsa, 230 ConjunctsInUnsatCore, 41 InterpolantComputations, 5 PerfectInterpolantSequences, 146606/184404 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...