./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.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_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 6e679f9bfc379fa4fbede70512fc16896a5c333e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:03:39,705 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:03:39,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:03:39,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:03:39,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:03:39,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:03:39,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:03:39,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:03:39,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:03:39,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:03:39,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:03:39,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:03:39,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:03:39,719 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:03:39,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:03:39,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:03:39,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:03:39,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:03:39,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:03:39,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:03:39,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:03:39,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:03:39,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:03:39,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:03:39,727 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:03:39,728 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:03:39,729 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:03:39,730 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:03:39,730 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:03:39,731 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:03:39,731 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:03:39,731 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:03:39,731 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:03:39,732 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:03:39,732 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:03:39,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:03:39,733 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 16:03:39,740 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:03:39,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:03:39,740 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:03:39,741 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:03:39,741 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:03:39,741 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:03:39,741 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:03:39,742 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:03:39,742 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:03:39,742 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:03:39,742 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:03:39,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:03:39,742 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:03:39,742 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:03:39,743 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:03:39,743 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:03:39,743 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:03:39,743 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:03:39,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:03:39,743 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:03:39,743 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:03:39,744 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:03:39,744 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:03:39,744 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:03:39,744 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:03:39,744 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:03:39,744 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:03:39,744 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:03:39,745 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:03:39,745 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:03:39,745 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_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-11-18 16:03:39,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:03:39,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:03:39,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:03:39,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:03:39,783 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:03:39,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-18 16:03:39,828 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/data/6f7bd161b/7ab378c8fbb44334a9288fd072638859/FLAGfa05adf5c [2018-11-18 16:03:40,285 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:03:40,286 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-11-18 16:03:40,296 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/data/6f7bd161b/7ab378c8fbb44334a9288fd072638859/FLAGfa05adf5c [2018-11-18 16:03:40,802 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/data/6f7bd161b/7ab378c8fbb44334a9288fd072638859 [2018-11-18 16:03:40,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:03:40,805 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:03:40,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:03:40,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:03:40,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:03:40,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:03:40" (1/1) ... [2018-11-18 16:03:40,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4915a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:40, skipping insertion in model container [2018-11-18 16:03:40,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:03:40" (1/1) ... [2018-11-18 16:03:40,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:03:40,849 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:03:41,069 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:03:41,072 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:03:41,137 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:03:41,146 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:03:41,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41 WrapperNode [2018-11-18 16:03:41,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:03:41,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:03:41,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:03:41,147 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:03:41,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... [2018-11-18 16:03:41,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... [2018-11-18 16:03:41,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... [2018-11-18 16:03:41,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... [2018-11-18 16:03:41,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... [2018-11-18 16:03:41,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... [2018-11-18 16:03:41,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... [2018-11-18 16:03:41,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:03:41,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:03:41,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:03:41,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:03:41,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 16:03:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:03:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:03:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:03:41,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:03:41,292 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:03:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:03:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 16:03:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:03:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:03:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:03:41,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:03:42,053 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:03:42,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:03:42 BoogieIcfgContainer [2018-11-18 16:03:42,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:03:42,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:03:42,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:03:42,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:03:42,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:03:40" (1/3) ... [2018-11-18 16:03:42,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30470417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:03:42, skipping insertion in model container [2018-11-18 16:03:42,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:03:41" (2/3) ... [2018-11-18 16:03:42,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30470417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:03:42, skipping insertion in model container [2018-11-18 16:03:42,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:03:42" (3/3) ... [2018-11-18 16:03:42,059 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-11-18 16:03:42,065 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:03:42,070 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:03:42,080 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:03:42,100 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:03:42,101 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:03:42,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:03:42,101 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:03:42,101 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:03:42,101 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:03:42,101 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:03:42,101 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:03:42,101 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:03:42,117 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 16:03:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:03:42,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:42,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:03:42,125 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:42,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:42,128 INFO L82 PathProgramCache]: Analyzing trace with hash 508483465, now seen corresponding path program 1 times [2018-11-18 16:03:42,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:42,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:42,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:42,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:42,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:42,341 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 16:03:42,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:03:42,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:03:42,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:03:42,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:03:42,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:03:42,356 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 16:03:42,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:42,922 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 16:03:42,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:03:42,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 16:03:42,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:42,933 INFO L225 Difference]: With dead ends: 574 [2018-11-18 16:03:42,933 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 16:03:42,936 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:03:42,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 16:03:42,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 16:03:42,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 16:03:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 16:03:42,980 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 53 [2018-11-18 16:03:42,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:42,981 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 16:03:42,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:03:42,981 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 16:03:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:03:42,985 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:42,985 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:03:42,985 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:42,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:42,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1327667053, now seen corresponding path program 1 times [2018-11-18 16:03:42,986 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:42,986 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:42,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:42,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:42,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:03:43,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:03:43,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:03:43,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:03:43,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:03:43,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:03:43,147 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-18 16:03:44,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:44,014 INFO L93 Difference]: Finished difference Result 1289 states and 2315 transitions. [2018-11-18 16:03:44,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:03:44,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-18 16:03:44,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:44,021 INFO L225 Difference]: With dead ends: 1289 [2018-11-18 16:03:44,021 INFO L226 Difference]: Without dead ends: 939 [2018-11-18 16:03:44,027 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:03:44,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-11-18 16:03:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 926. [2018-11-18 16:03:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-11-18 16:03:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1444 transitions. [2018-11-18 16:03:44,061 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1444 transitions. Word has length 136 [2018-11-18 16:03:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:44,062 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1444 transitions. [2018-11-18 16:03:44,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:03:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1444 transitions. [2018-11-18 16:03:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 16:03:44,067 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:44,067 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, 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] [2018-11-18 16:03:44,067 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:44,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:44,067 INFO L82 PathProgramCache]: Analyzing trace with hash -734844493, now seen corresponding path program 1 times [2018-11-18 16:03:44,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:44,068 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:44,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:44,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:44,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:03:44,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:03:44,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:03:44,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:03:44,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:03:44,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:03:44,209 INFO L87 Difference]: Start difference. First operand 926 states and 1444 transitions. Second operand 6 states. [2018-11-18 16:03:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:45,153 INFO L93 Difference]: Finished difference Result 2537 states and 4091 transitions. [2018-11-18 16:03:45,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:03:45,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-11-18 16:03:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:45,162 INFO L225 Difference]: With dead ends: 2537 [2018-11-18 16:03:45,162 INFO L226 Difference]: Without dead ends: 1617 [2018-11-18 16:03:45,167 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:03:45,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2018-11-18 16:03:45,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1586. [2018-11-18 16:03:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2018-11-18 16:03:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2321 transitions. [2018-11-18 16:03:45,204 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2321 transitions. Word has length 152 [2018-11-18 16:03:45,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:45,204 INFO L480 AbstractCegarLoop]: Abstraction has 1586 states and 2321 transitions. [2018-11-18 16:03:45,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:03:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2321 transitions. [2018-11-18 16:03:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 16:03:45,208 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:45,208 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:03:45,208 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:45,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:45,208 INFO L82 PathProgramCache]: Analyzing trace with hash -829584541, now seen corresponding path program 1 times [2018-11-18 16:03:45,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:45,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:45,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:45,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:45,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:03:45,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:03:45,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:03:45,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:03:45,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:03:45,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:03:45,373 INFO L87 Difference]: Start difference. First operand 1586 states and 2321 transitions. Second operand 6 states. [2018-11-18 16:03:46,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:46,062 INFO L93 Difference]: Finished difference Result 3508 states and 5326 transitions. [2018-11-18 16:03:46,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:03:46,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-18 16:03:46,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:46,074 INFO L225 Difference]: With dead ends: 3508 [2018-11-18 16:03:46,074 INFO L226 Difference]: Without dead ends: 1928 [2018-11-18 16:03:46,079 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:03:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2018-11-18 16:03:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1887. [2018-11-18 16:03:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2018-11-18 16:03:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2679 transitions. [2018-11-18 16:03:46,123 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2679 transitions. Word has length 176 [2018-11-18 16:03:46,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:46,124 INFO L480 AbstractCegarLoop]: Abstraction has 1887 states and 2679 transitions. [2018-11-18 16:03:46,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:03:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2679 transitions. [2018-11-18 16:03:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 16:03:46,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:46,130 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, 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, 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 16:03:46,130 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:46,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:46,130 INFO L82 PathProgramCache]: Analyzing trace with hash -642267359, now seen corresponding path program 1 times [2018-11-18 16:03:46,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:46,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:46,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:46,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:46,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:03:46,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:03:46,263 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 16:03:46,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:46,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:03:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:03:46,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:03:46,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 16:03:46,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:03:46,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:03:46,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:03:46,438 INFO L87 Difference]: Start difference. First operand 1887 states and 2679 transitions. Second operand 9 states. [2018-11-18 16:03:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:47,811 INFO L93 Difference]: Finished difference Result 5487 states and 8964 transitions. [2018-11-18 16:03:47,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:03:47,812 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2018-11-18 16:03:47,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:47,838 INFO L225 Difference]: With dead ends: 5487 [2018-11-18 16:03:47,838 INFO L226 Difference]: Without dead ends: 3606 [2018-11-18 16:03:47,861 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-18 16:03:47,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2018-11-18 16:03:47,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3518. [2018-11-18 16:03:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3518 states. [2018-11-18 16:03:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3518 states and 4925 transitions. [2018-11-18 16:03:48,011 INFO L78 Accepts]: Start accepts. Automaton has 3518 states and 4925 transitions. Word has length 207 [2018-11-18 16:03:48,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:48,011 INFO L480 AbstractCegarLoop]: Abstraction has 3518 states and 4925 transitions. [2018-11-18 16:03:48,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:03:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3518 states and 4925 transitions. [2018-11-18 16:03:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 16:03:48,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:48,023 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:03:48,023 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:48,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:48,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1729382700, now seen corresponding path program 1 times [2018-11-18 16:03:48,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:48,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:48,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:48,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:48,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:03:48,150 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:03:48,150 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 16:03:48,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:48,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:03:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:03:48,310 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:03:48,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 16:03:48,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:03:48,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:03:48,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:03:48,311 INFO L87 Difference]: Start difference. First operand 3518 states and 4925 transitions. Second operand 9 states. [2018-11-18 16:03:49,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:49,580 INFO L93 Difference]: Finished difference Result 7014 states and 9795 transitions. [2018-11-18 16:03:49,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 16:03:49,581 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2018-11-18 16:03:49,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:49,589 INFO L225 Difference]: With dead ends: 7014 [2018-11-18 16:03:49,589 INFO L226 Difference]: Without dead ends: 3502 [2018-11-18 16:03:49,600 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2018-11-18 16:03:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2018-11-18 16:03:49,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 3400. [2018-11-18 16:03:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3400 states. [2018-11-18 16:03:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 4281 transitions. [2018-11-18 16:03:49,648 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 4281 transitions. Word has length 214 [2018-11-18 16:03:49,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:49,649 INFO L480 AbstractCegarLoop]: Abstraction has 3400 states and 4281 transitions. [2018-11-18 16:03:49,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:03:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 4281 transitions. [2018-11-18 16:03:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 16:03:49,654 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:49,655 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:03:49,655 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:49,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:49,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1366596424, now seen corresponding path program 1 times [2018-11-18 16:03:49,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:49,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:49,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:49,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:49,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 92 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:03:49,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:03:49,744 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 16:03:49,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:49,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:03:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 16:03:49,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:03:49,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 16:03:49,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:03:49,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:03:49,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:03:49,857 INFO L87 Difference]: Start difference. First operand 3400 states and 4281 transitions. Second operand 6 states. [2018-11-18 16:03:50,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:50,909 INFO L93 Difference]: Finished difference Result 8578 states and 11023 transitions. [2018-11-18 16:03:50,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:03:50,909 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-11-18 16:03:50,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:50,922 INFO L225 Difference]: With dead ends: 8578 [2018-11-18 16:03:50,922 INFO L226 Difference]: Without dead ends: 5184 [2018-11-18 16:03:50,931 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 227 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:03:50,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2018-11-18 16:03:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5032. [2018-11-18 16:03:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5032 states. [2018-11-18 16:03:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 6252 transitions. [2018-11-18 16:03:51,018 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 6252 transitions. Word has length 224 [2018-11-18 16:03:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:51,018 INFO L480 AbstractCegarLoop]: Abstraction has 5032 states and 6252 transitions. [2018-11-18 16:03:51,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:03:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 6252 transitions. [2018-11-18 16:03:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 16:03:51,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:51,031 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:51,031 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:51,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:51,031 INFO L82 PathProgramCache]: Analyzing trace with hash 922152244, now seen corresponding path program 1 times [2018-11-18 16:03:51,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:51,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:51,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:51,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:51,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 92 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:03:51,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:03:51,168 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 16:03:51,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:51,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:03:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 16:03:51,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:03:51,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-18 16:03:51,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:03:51,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:03:51,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:03:51,356 INFO L87 Difference]: Start difference. First operand 5032 states and 6252 transitions. Second operand 9 states. [2018-11-18 16:03:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:52,515 INFO L93 Difference]: Finished difference Result 12071 states and 15641 transitions. [2018-11-18 16:03:52,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:03:52,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 258 [2018-11-18 16:03:52,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:52,534 INFO L225 Difference]: With dead ends: 12071 [2018-11-18 16:03:52,535 INFO L226 Difference]: Without dead ends: 7045 [2018-11-18 16:03:52,548 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:03:52,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7045 states. [2018-11-18 16:03:52,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7045 to 6604. [2018-11-18 16:03:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6604 states. [2018-11-18 16:03:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6604 states to 6604 states and 7939 transitions. [2018-11-18 16:03:52,657 INFO L78 Accepts]: Start accepts. Automaton has 6604 states and 7939 transitions. Word has length 258 [2018-11-18 16:03:52,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:52,658 INFO L480 AbstractCegarLoop]: Abstraction has 6604 states and 7939 transitions. [2018-11-18 16:03:52,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:03:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 6604 states and 7939 transitions. [2018-11-18 16:03:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 16:03:52,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:52,672 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:03:52,672 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:52,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:52,672 INFO L82 PathProgramCache]: Analyzing trace with hash 414293357, now seen corresponding path program 1 times [2018-11-18 16:03:52,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:52,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:52,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:52,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:52,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 144 proven. 159 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:03:52,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:03:52,849 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 16:03:52,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:52,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:03:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 332 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 16:03:52,990 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:03:52,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-18 16:03:52,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 16:03:52,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 16:03:52,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:03:52,991 INFO L87 Difference]: Start difference. First operand 6604 states and 7939 transitions. Second operand 11 states. [2018-11-18 16:03:54,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:03:54,371 INFO L93 Difference]: Finished difference Result 18209 states and 22659 transitions. [2018-11-18 16:03:54,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 16:03:54,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 304 [2018-11-18 16:03:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:03:54,378 INFO L225 Difference]: With dead ends: 18209 [2018-11-18 16:03:54,379 INFO L226 Difference]: Without dead ends: 3362 [2018-11-18 16:03:54,397 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 314 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-18 16:03:54,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2018-11-18 16:03:54,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 2080. [2018-11-18 16:03:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2018-11-18 16:03:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2350 transitions. [2018-11-18 16:03:54,427 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2350 transitions. Word has length 304 [2018-11-18 16:03:54,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:03:54,427 INFO L480 AbstractCegarLoop]: Abstraction has 2080 states and 2350 transitions. [2018-11-18 16:03:54,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 16:03:54,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2350 transitions. [2018-11-18 16:03:54,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 16:03:54,431 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:03:54,431 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, 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, 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] [2018-11-18 16:03:54,431 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:03:54,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:03:54,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1037984411, now seen corresponding path program 1 times [2018-11-18 16:03:54,432 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:03:54,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:03:54,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:54,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:54,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:03:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 229 proven. 158 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:03:54,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:03:54,792 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/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 16:03:54,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:03:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:03:54,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:04:12,027 WARN L180 SmtUtils]: Spent 17.10 s on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-11-18 16:04:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 16:04:12,263 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:04:12,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 18 [2018-11-18 16:04:12,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 16:04:12,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 16:04:12,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-11-18 16:04:12,265 INFO L87 Difference]: Start difference. First operand 2080 states and 2350 transitions. Second operand 18 states. [2018-11-18 16:04:30,932 WARN L180 SmtUtils]: Spent 15.81 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-11-18 16:04:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:04:32,852 INFO L93 Difference]: Finished difference Result 5699 states and 6576 transitions. [2018-11-18 16:04:32,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 16:04:32,852 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 340 [2018-11-18 16:04:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:04:32,858 INFO L225 Difference]: With dead ends: 5699 [2018-11-18 16:04:32,858 INFO L226 Difference]: Without dead ends: 3364 [2018-11-18 16:04:32,861 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 665 ImplicationChecksByTransitivity, 34.1s TimeCoverageRelationStatistics Valid=513, Invalid=2037, Unknown=0, NotChecked=0, Total=2550 [2018-11-18 16:04:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3364 states. [2018-11-18 16:04:32,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3364 to 3064. [2018-11-18 16:04:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3064 states. [2018-11-18 16:04:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 3064 states and 3502 transitions. [2018-11-18 16:04:32,896 INFO L78 Accepts]: Start accepts. Automaton has 3064 states and 3502 transitions. Word has length 340 [2018-11-18 16:04:32,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:04:32,896 INFO L480 AbstractCegarLoop]: Abstraction has 3064 states and 3502 transitions. [2018-11-18 16:04:32,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 16:04:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3502 transitions. [2018-11-18 16:04:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-11-18 16:04:32,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:04:32,900 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, 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, 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] [2018-11-18 16:04:32,900 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:04:32,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:04:32,901 INFO L82 PathProgramCache]: Analyzing trace with hash 935343302, now seen corresponding path program 1 times [2018-11-18 16:04:32,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:04:32,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:04:32,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:04:32,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:04:32,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:04:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:04:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-18 16:04:33,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:04:33,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:04:33,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:04:33,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:04:33,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:04:33,056 INFO L87 Difference]: Start difference. First operand 3064 states and 3502 transitions. Second operand 3 states. [2018-11-18 16:04:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:04:33,377 INFO L93 Difference]: Finished difference Result 6708 states and 7733 transitions. [2018-11-18 16:04:33,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:04:33,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2018-11-18 16:04:33,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:04:33,378 INFO L225 Difference]: With dead ends: 6708 [2018-11-18 16:04:33,378 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:04:33,386 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:04:33,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:04:33,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:04:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:04:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:04:33,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-11-18 16:04:33,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:04:33,387 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:04:33,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:04:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:04:33,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:04:33,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:04:33,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,625 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 228 [2018-11-18 16:04:33,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:04:33,762 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 228 [2018-11-18 16:04:34,351 WARN L180 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2018-11-18 16:04:34,932 WARN L180 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2018-11-18 16:04:35,520 WARN L180 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 16:04:35,522 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,523 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,524 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 16:04:35,525 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 16:04:35,526 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 16:04:35,527 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,528 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 16:04:35,529 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= |old(~a10~0)| ~a10~0))) (let ((.cse4 (< 2 |old(~a10~0)|)) (.cse8 (= 3 |old(~a10~0)|)) (.cse1 (= 7 |old(~a19~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse0 (and .cse7 .cse6 .cse5)) (.cse10 (and (= |old(~a19~0)| ~a19~0) .cse5 .cse7)) (.cse9 (< 8 |old(~a19~0)|))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (and .cse5 .cse6 .cse7) .cse2 .cse3 (or .cse8 .cse1 (= 10 |old(~a19~0)|))) (or .cse9 .cse10 (not (= 2 |old(~a10~0)|))) (or (< (+ |old(~a1~0)| 12) 0) .cse2 .cse3 .cse4 .cse0) (or .cse8 .cse1 .cse10 .cse9) (or .cse1 .cse9 .cse10 (= 8 |old(~a19~0)|)) (or .cse2 .cse3 (not (= 9 |old(~a19~0)|)) .cse0) (or .cse10 .cse9 (< 0 |old(~a10~0)|))))) [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 16:04:35,530 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 16:04:35,531 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (not (= ~a19~0 8)) (= ~a12~0 0) (<= ~a10~0 0) (= ~a4~0 14)) [2018-11-18 16:04:35,532 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:04:35,532 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (= 8 |old(~a19~0)|) (< 23 |old(~a1~0)|) (< 0 |old(~a10~0)|) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (= 7 |old(~a19~0)|) (not (= 0 ~a12~0))) [2018-11-18 16:04:35,532 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 16:04:35,533 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse0 (not (= ~a19~0 7))) (.cse2 (= 9 |old(~a19~0)|))) (or (< |old(~a1~0)| 23) (and .cse0 .cse1 (= |old(~a19~0)| 9)) (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (and (= 2 ~a10~0) .cse2) (and (not (= ~a19~0 8)) (<= ~a19~0 8) .cse2 .cse0) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and .cse1 .cse2 (<= 0 (+ ~a1~0 12))) (and (<= ~a10~0 0) .cse2) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (= 8 |old(~a19~0)|) (< 0 |old(~a10~0)|) (and (not (= ~a10~0 3)) .cse0 (not (= ~a19~0 10)) .cse2))) [2018-11-18 16:04:35,533 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 16:04:35,533 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 16:04:35,533 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 16:04:35,533 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 2)) (.cse0 (not (= ~a19~0 7))) (.cse2 (= 9 |old(~a19~0)|))) (or (< |old(~a1~0)| 23) (and .cse0 .cse1 (= |old(~a19~0)| 9)) (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse2 (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (and (= 2 ~a10~0) .cse2) (and (not (= ~a19~0 8)) (<= ~a19~0 8) .cse2 .cse0) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and .cse1 .cse2 (<= 0 (+ ~a1~0 12))) (and (<= ~a10~0 0) .cse2) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (= 8 |old(~a19~0)|) (< 0 |old(~a10~0)|) (and (not (= ~a10~0 3)) .cse0 (not (= ~a19~0 10)) .cse2))) [2018-11-18 16:04:35,533 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 16:04:35,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:04:35 BoogieIcfgContainer [2018-11-18 16:04:35,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:04:35,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:04:35,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:04:35,547 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:04:35,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:03:42" (3/4) ... [2018-11-18 16:04:35,551 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:04:35,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:04:35,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:04:35,557 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:04:35,566 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:04:35,566 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:04:35,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\old(a1) < 23 || ((!(a19 == 7) && a10 <= 2) && \old(a19) == 9)) || ((a19 == \old(a19) && \old(a10) == a10) && a1 == \old(a1))) || !(0 == a12)) || ((9 == \old(a19) && a19 <= \old(a19)) && 9 <= a19)) || (2 == a10 && 9 == \old(a19))) || (((!(a19 == 8) && a19 <= 8) && 9 == \old(a19)) && !(a19 == 7))) || 23 < \old(a1)) || 7 == \old(a19)) || ((a10 <= 2 && 9 == \old(a19)) && 0 <= a1 + 12)) || (a10 <= 0 && 9 == \old(a19))) || 10 == \old(a19)) || !(14 == a4)) || 8 == \old(a19)) || 0 < \old(a10)) || (((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10)) && 9 == \old(a19)) [2018-11-18 16:04:35,656 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9f0c549-f02e-48ef-b1c2-6a6a0c9026a8/bin-2019/uautomizer/witness.graphml [2018-11-18 16:04:35,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:04:35,657 INFO L168 Benchmark]: Toolchain (without parser) took 54851.81 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 756.0 MB). Free memory was 956.5 MB in the beginning and 1.6 GB in the end (delta: -629.1 MB). Peak memory consumption was 126.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:04:35,657 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 16:04:35,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:04:35,657 INFO L168 Benchmark]: Boogie Preprocessor took 107.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:04:35,658 INFO L168 Benchmark]: RCFGBuilder took 799.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:04:35,658 INFO L168 Benchmark]: TraceAbstraction took 53492.13 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 626.5 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -584.2 MB). Peak memory consumption was 804.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:04:35,658 INFO L168 Benchmark]: Witness Printer took 109.17 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:04:35,659 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 340.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 799.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53492.13 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 626.5 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -584.2 MB). Peak memory consumption was 804.9 MB. Max. memory is 11.5 GB. * Witness Printer took 109.17 ms. Allocated memory is still 1.8 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((((((\old(a1) < 23 || ((!(a19 == 7) && a10 <= 2) && \old(a19) == 9)) || ((a19 == \old(a19) && \old(a10) == a10) && a1 == \old(a1))) || !(0 == a12)) || ((9 == \old(a19) && a19 <= \old(a19)) && 9 <= a19)) || (2 == a10 && 9 == \old(a19))) || (((!(a19 == 8) && a19 <= 8) && 9 == \old(a19)) && !(a19 == 7))) || 23 < \old(a1)) || 7 == \old(a19)) || ((a10 <= 2 && 9 == \old(a19)) && 0 <= a1 + 12)) || (a10 <= 0 && 9 == \old(a19))) || 10 == \old(a19)) || !(14 == a4)) || 8 == \old(a19)) || 0 < \old(a10)) || (((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10)) && 9 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 53.4s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 30.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 887 SDtfs, 11158 SDslu, 1699 SDs, 0 SdLazy, 20270 SolverSat, 3218 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1774 GetRequests, 1614 SyntacticMatches, 13 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 34.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6604occurred in iteration=8, 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: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2450 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 195 PreInvPairs, 305 NumberOfFragments, 504 HoareAnnotationTreeSize, 195 FomulaSimplifications, 89656 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24640 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.8s InterpolantComputationTime, 3970 NumberOfCodeBlocks, 3970 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3953 ConstructedInterpolants, 7 QuantifiedInterpolants, 3624443 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2667 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 2954/3440 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...