./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ca819190f643deb29414a088c4aa6e4cb582023 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:12:41,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:12:41,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:12:41,863 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:12:41,863 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:12:41,864 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:12:41,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:12:41,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:12:41,867 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:12:41,868 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:12:41,869 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:12:41,869 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:12:41,869 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:12:41,870 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:12:41,871 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:12:41,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:12:41,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:12:41,874 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:12:41,875 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:12:41,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:12:41,877 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:12:41,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:12:41,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:12:41,880 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:12:41,880 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:12:41,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:12:41,881 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:12:41,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:12:41,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:12:41,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:12:41,884 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:12:41,884 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:12:41,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:12:41,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:12:41,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:12:41,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:12:41,886 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:12:41,896 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:12:41,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:12:41,897 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:12:41,897 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:12:41,897 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:12:41,897 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:12:41,898 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:12:41,898 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:12:41,898 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:12:41,898 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:12:41,898 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:12:41,898 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:12:41,898 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:12:41,899 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:12:41,899 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:12:41,899 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:12:41,899 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:12:41,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:12:41,901 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:12:41,901 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:12:41,902 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:12:41,902 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan 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 -> Taipan 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 -> 1ca819190f643deb29414a088c4aa6e4cb582023 [2018-11-23 05:12:41,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:12:41,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:12:41,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:12:41,939 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:12:41,940 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:12:41,940 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-23 05:12:41,979 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/data/d27222844/115e207ba6204daeaa6e4bdf331b2ecb/FLAGe2b48f9b0 [2018-11-23 05:12:42,374 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:12:42,375 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-23 05:12:42,385 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/data/d27222844/115e207ba6204daeaa6e4bdf331b2ecb/FLAGe2b48f9b0 [2018-11-23 05:12:42,751 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/data/d27222844/115e207ba6204daeaa6e4bdf331b2ecb [2018-11-23 05:12:42,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:12:42,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:12:42,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:12:42,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:12:42,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:12:42,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:42" (1/1) ... [2018-11-23 05:12:42,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4315e55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:42, skipping insertion in model container [2018-11-23 05:12:42,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:12:42" (1/1) ... [2018-11-23 05:12:42,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:12:42,820 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:12:43,059 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:12:43,063 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:12:43,129 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:12:43,142 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:12:43,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43 WrapperNode [2018-11-23 05:12:43,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:12:43,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:12:43,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:12:43,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:12:43,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:12:43,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:12:43,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:12:43,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:12:43,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... [2018-11-23 05:12:43,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:12:43,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:12:43,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:12:43,290 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:12:43,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/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 [2018-11-23 05:12:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:12:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:12:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:12:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 05:12:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 05:12:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:12:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:12:43,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:12:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:12:44,518 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:12:44,519 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 05:12:44,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:12:44 BoogieIcfgContainer [2018-11-23 05:12:44,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:12:44,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:12:44,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:12:44,523 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:12:44,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:12:42" (1/3) ... [2018-11-23 05:12:44,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb55ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:12:44, skipping insertion in model container [2018-11-23 05:12:44,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:12:43" (2/3) ... [2018-11-23 05:12:44,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fb55ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:12:44, skipping insertion in model container [2018-11-23 05:12:44,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:12:44" (3/3) ... [2018-11-23 05:12:44,527 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label07_true-unreach-call_false-termination.c [2018-11-23 05:12:44,538 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:12:44,545 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:12:44,558 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:12:44,589 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:12:44,589 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:12:44,589 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:12:44,589 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:12:44,589 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:12:44,590 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:12:44,590 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:12:44,590 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:12:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 05:12:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 05:12:44,617 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:12:44,618 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:12:44,620 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:12:44,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:44,625 INFO L82 PathProgramCache]: Analyzing trace with hash -897711290, now seen corresponding path program 1 times [2018-11-23 05:12:44,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:12:44,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:44,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:12:44,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:44,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:12:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:12:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:12:45,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:12:45,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:12:45,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:12:45,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:12:45,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:12:45,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:12:45,141 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 05:12:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:12:45,760 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 05:12:45,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:12:45,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2018-11-23 05:12:45,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:12:45,773 INFO L225 Difference]: With dead ends: 547 [2018-11-23 05:12:45,773 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 05:12:45,778 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:12:45,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 05:12:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 05:12:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 05:12:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 551 transitions. [2018-11-23 05:12:45,830 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 551 transitions. Word has length 110 [2018-11-23 05:12:45,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:12:45,831 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 551 transitions. [2018-11-23 05:12:45,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:12:45,831 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 551 transitions. [2018-11-23 05:12:45,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 05:12:45,835 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:12:45,836 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:12:45,836 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:12:45,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:45,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1715018595, now seen corresponding path program 1 times [2018-11-23 05:12:45,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:12:45,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:45,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:12:45,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:45,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:12:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:12:45,954 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:12:45,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:12:45,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:12:45,955 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:12:45,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:12:45,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:12:45,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:12:45,957 INFO L87 Difference]: Start difference. First operand 338 states and 551 transitions. Second operand 6 states. [2018-11-23 05:12:46,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:12:46,834 INFO L93 Difference]: Finished difference Result 1067 states and 1827 transitions. [2018-11-23 05:12:46,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:12:46,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-11-23 05:12:46,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:12:46,840 INFO L225 Difference]: With dead ends: 1067 [2018-11-23 05:12:46,840 INFO L226 Difference]: Without dead ends: 735 [2018-11-23 05:12:46,842 INFO L631 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 [2018-11-23 05:12:46,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-23 05:12:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 720. [2018-11-23 05:12:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 05:12:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1141 transitions. [2018-11-23 05:12:46,871 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1141 transitions. Word has length 120 [2018-11-23 05:12:46,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:12:46,871 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1141 transitions. [2018-11-23 05:12:46,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:12:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1141 transitions. [2018-11-23 05:12:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 05:12:46,877 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:12:46,877 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:12:46,878 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:12:46,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:46,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1875176562, now seen corresponding path program 1 times [2018-11-23 05:12:46,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:12:46,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:46,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:12:46,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:46,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:12:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:12:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:12:46,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:12:46,988 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:12:46,989 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-11-23 05:12:46,991 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 05:12:47,020 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:12:47,021 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:12:47,536 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:12:47,537 INFO L272 AbstractInterpreter]: Visited 114 different actions 221 times. Merged at 3 different actions 3 times. Never widened. Performed 3106 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 05:12:47,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:47,564 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:12:47,913 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 81.77% of their original sizes. [2018-11-23 05:12:47,913 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:12:48,051 INFO L415 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-11-23 05:12:48,052 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:12:48,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:12:48,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 05:12:48,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:12:48,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 05:12:48,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 05:12:48,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:12:48,054 INFO L87 Difference]: Start difference. First operand 720 states and 1141 transitions. Second operand 10 states. [2018-11-23 05:12:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:12:53,904 INFO L93 Difference]: Finished difference Result 2734 states and 4432 transitions. [2018-11-23 05:12:53,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 05:12:53,905 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2018-11-23 05:12:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:12:53,911 INFO L225 Difference]: With dead ends: 2734 [2018-11-23 05:12:53,911 INFO L226 Difference]: Without dead ends: 2020 [2018-11-23 05:12:53,914 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 05:12:53,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2018-11-23 05:12:53,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 1996. [2018-11-23 05:12:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1996 states. [2018-11-23 05:12:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1996 states and 2570 transitions. [2018-11-23 05:12:53,963 INFO L78 Accepts]: Start accepts. Automaton has 1996 states and 2570 transitions. Word has length 144 [2018-11-23 05:12:53,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:12:53,963 INFO L480 AbstractCegarLoop]: Abstraction has 1996 states and 2570 transitions. [2018-11-23 05:12:53,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 05:12:53,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2570 transitions. [2018-11-23 05:12:53,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 05:12:53,968 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:12:53,968 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:12:53,968 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:12:53,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:53,969 INFO L82 PathProgramCache]: Analyzing trace with hash 922647153, now seen corresponding path program 1 times [2018-11-23 05:12:53,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:12:53,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:53,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:12:53,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:53,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:12:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:12:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:12:54,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:12:54,100 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:12:54,100 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-23 05:12:54,100 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 05:12:54,103 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:12:54,103 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:12:54,233 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:12:54,233 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 2994 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2994 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 05:12:54,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:54,236 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:12:54,390 INFO L227 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 81.74% of their original sizes. [2018-11-23 05:12:54,390 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:12:54,453 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-23 05:12:54,453 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:12:54,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:12:54,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 05:12:54,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:12:54,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 05:12:54,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 05:12:54,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:12:54,455 INFO L87 Difference]: Start difference. First operand 1996 states and 2570 transitions. Second operand 10 states. [2018-11-23 05:12:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:12:56,207 INFO L93 Difference]: Finished difference Result 3990 states and 5206 transitions. [2018-11-23 05:12:56,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 05:12:56,207 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2018-11-23 05:12:56,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:12:56,216 INFO L225 Difference]: With dead ends: 3990 [2018-11-23 05:12:56,216 INFO L226 Difference]: Without dead ends: 2135 [2018-11-23 05:12:56,220 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 05:12:56,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2018-11-23 05:12:56,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 2133. [2018-11-23 05:12:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2018-11-23 05:12:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2723 transitions. [2018-11-23 05:12:56,266 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2723 transitions. Word has length 156 [2018-11-23 05:12:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:12:56,267 INFO L480 AbstractCegarLoop]: Abstraction has 2133 states and 2723 transitions. [2018-11-23 05:12:56,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 05:12:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2723 transitions. [2018-11-23 05:12:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 05:12:56,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:12:56,272 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:12:56,272 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:12:56,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:56,272 INFO L82 PathProgramCache]: Analyzing trace with hash -900582966, now seen corresponding path program 1 times [2018-11-23 05:12:56,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:12:56,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:56,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:12:56,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:56,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:12:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:12:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 05:12:56,341 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:12:56,341 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:12:56,341 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-11-23 05:12:56,341 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 05:12:56,344 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:12:56,344 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:12:56,571 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:12:56,571 INFO L272 AbstractInterpreter]: Visited 117 different actions 347 times. Merged at 6 different actions 18 times. Never widened. Performed 4813 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4813 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 05:12:56,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:56,573 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:12:56,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:12:56,573 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/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 [2018-11-23 05:12:56,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:12:56,581 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:12:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:12:56,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:12:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 05:12:56,836 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:12:56,948 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 05:12:56,965 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:12:56,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 05:12:56,965 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:12:56,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 05:12:56,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 05:12:56,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:12:56,967 INFO L87 Difference]: Start difference. First operand 2133 states and 2723 transitions. Second operand 8 states. [2018-11-23 05:12:58,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:12:58,983 INFO L93 Difference]: Finished difference Result 7039 states and 9617 transitions. [2018-11-23 05:12:58,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 05:12:58,984 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 167 [2018-11-23 05:12:58,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:12:58,994 INFO L225 Difference]: With dead ends: 7039 [2018-11-23 05:12:58,994 INFO L226 Difference]: Without dead ends: 2969 [2018-11-23 05:12:59,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 05:12:59,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2018-11-23 05:12:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2931. [2018-11-23 05:12:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2931 states. [2018-11-23 05:12:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 3466 transitions. [2018-11-23 05:12:59,075 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 3466 transitions. Word has length 167 [2018-11-23 05:12:59,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:12:59,075 INFO L480 AbstractCegarLoop]: Abstraction has 2931 states and 3466 transitions. [2018-11-23 05:12:59,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 05:12:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 3466 transitions. [2018-11-23 05:12:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 05:12:59,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:12:59,083 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:12:59,083 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:12:59,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:59,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1811687283, now seen corresponding path program 1 times [2018-11-23 05:12:59,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:12:59,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:59,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:12:59,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:12:59,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:12:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:12:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 05:12:59,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:12:59,211 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:12:59,212 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-23 05:12:59,212 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 05:12:59,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:12:59,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:12:59,369 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:12:59,369 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 3054 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3054 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 05:12:59,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:12:59,382 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:12:59,621 INFO L227 lantSequenceWeakener]: Weakened 186 states. On average, predicates are now at 81.71% of their original sizes. [2018-11-23 05:12:59,621 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:12:59,713 INFO L415 sIntCurrentIteration]: We unified 188 AI predicates to 188 [2018-11-23 05:12:59,713 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:12:59,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:12:59,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 05:12:59,714 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:12:59,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 05:12:59,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 05:12:59,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:12:59,714 INFO L87 Difference]: Start difference. First operand 2931 states and 3466 transitions. Second operand 10 states. [2018-11-23 05:13:02,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:13:02,172 INFO L93 Difference]: Finished difference Result 6043 states and 7180 transitions. [2018-11-23 05:13:02,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 05:13:02,172 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2018-11-23 05:13:02,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:13:02,178 INFO L225 Difference]: With dead ends: 6043 [2018-11-23 05:13:02,178 INFO L226 Difference]: Without dead ends: 3390 [2018-11-23 05:13:02,182 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:13:02,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2018-11-23 05:13:02,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 3388. [2018-11-23 05:13:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3388 states. [2018-11-23 05:13:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 3952 transitions. [2018-11-23 05:13:02,221 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 3952 transitions. Word has length 189 [2018-11-23 05:13:02,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:13:02,221 INFO L480 AbstractCegarLoop]: Abstraction has 3388 states and 3952 transitions. [2018-11-23 05:13:02,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 05:13:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 3952 transitions. [2018-11-23 05:13:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 05:13:02,226 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:13:02,226 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:13:02,226 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:13:02,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:13:02,227 INFO L82 PathProgramCache]: Analyzing trace with hash 660451960, now seen corresponding path program 1 times [2018-11-23 05:13:02,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:13:02,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:13:02,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:13:02,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:13:02,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:13:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:13:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 05:13:02,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:13:02,320 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:13:02,320 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-23 05:13:02,320 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 05:13:02,323 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:13:02,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:13:02,552 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:13:02,552 INFO L272 AbstractInterpreter]: Visited 117 different actions 468 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6683 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6683 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 05:13:02,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:13:02,563 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:13:02,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:13:02,564 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/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 [2018-11-23 05:13:02,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:13:02,580 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:13:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:13:02,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:13:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 05:13:02,690 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:13:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 05:13:02,781 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:13:02,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 05:13:02,782 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:13:02,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 05:13:02,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 05:13:02,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:13:02,783 INFO L87 Difference]: Start difference. First operand 3388 states and 3952 transitions. Second operand 11 states. [2018-11-23 05:13:03,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:13:03,974 INFO L93 Difference]: Finished difference Result 11013 states and 13765 transitions. [2018-11-23 05:13:03,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 05:13:03,974 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 197 [2018-11-23 05:13:03,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:13:03,989 INFO L225 Difference]: With dead ends: 11013 [2018-11-23 05:13:03,989 INFO L226 Difference]: Without dead ends: 8223 [2018-11-23 05:13:04,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 397 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 05:13:04,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8223 states. [2018-11-23 05:13:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8223 to 8200. [2018-11-23 05:13:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8200 states. [2018-11-23 05:13:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 9843 transitions. [2018-11-23 05:13:04,210 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 9843 transitions. Word has length 197 [2018-11-23 05:13:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:13:04,210 INFO L480 AbstractCegarLoop]: Abstraction has 8200 states and 9843 transitions. [2018-11-23 05:13:04,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 05:13:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 9843 transitions. [2018-11-23 05:13:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 05:13:04,224 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:13:04,225 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:13:04,225 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:13:04,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:13:04,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1560890930, now seen corresponding path program 2 times [2018-11-23 05:13:04,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:13:04,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:13:04,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:13:04,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:13:04,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:13:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:13:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 05:13:04,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:13:04,330 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:13:04,330 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 05:13:04,331 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 05:13:04,331 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:13:04,331 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/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 [2018-11-23 05:13:04,342 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 05:13:04,342 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 05:13:04,393 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 05:13:04,393 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 05:13:04,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:13:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 05:13:04,440 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:13:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 05:13:04,495 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:13:04,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 05:13:04,495 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:13:04,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:13:04,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:13:04,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:13:04,496 INFO L87 Difference]: Start difference. First operand 8200 states and 9843 transitions. Second operand 3 states. [2018-11-23 05:13:04,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:13:04,936 INFO L93 Difference]: Finished difference Result 20100 states and 24515 transitions. [2018-11-23 05:13:04,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:13:04,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-11-23 05:13:04,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:13:04,937 INFO L225 Difference]: With dead ends: 20100 [2018-11-23 05:13:04,938 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:13:04,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 393 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:13:04,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:13:04,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:13:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:13:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:13:04,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 197 [2018-11-23 05:13:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:13:04,966 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:13:04,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:13:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:13:04,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:13:04,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:13:05,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:13:05,275 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 102 [2018-11-23 05:13:06,375 WARN L180 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 101 [2018-11-23 05:13:06,630 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-11-23 05:13:06,631 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:13:06,631 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-11-23 05:13:06,631 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 05:13:06,632 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 05:13:06,633 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 05:13:06,634 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 05:13:06,635 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 05:13:06,636 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 05:13:06,637 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,638 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,639 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,640 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 05:13:06,641 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse21 (= 1 |old(~a20~0)|))) (let ((.cse16 (= ~a17~0 1)) (.cse14 (<= ~a17~0 0)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse15 (< 0 |old(~a17~0)|)) (.cse17 (= ~a21~0 1)) (.cse18 (not (= 0 |old(~a7~0)|))) (.cse19 (not (= 15 |old(~a8~0)|))) (.cse8 (= ~a8~0 13)) (.cse7 (= 13 |old(~a8~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse1 (< 13 |old(~a8~0)|)) (.cse6 (not .cse21)) (.cse20 (= 0 |old(~a16~0)|)) (.cse9 (not (= 8 ~a12~0))) (.cse2 (<= ~a8~0 13)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |calculate_output_#in~input| 0)) (.cse12 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or (or .cse5 .cse6 (not (= 4 |old(~a16~0)|)) (not .cse7)) .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse1 (< |old(~a20~0)| 1) .cse10 (and .cse2 (= 1 ~a7~0) .cse13 .cse4 .cse14) .cse15) (or .cse11 (and .cse16 .cse17) (or .cse18 .cse5 .cse19 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse9 .cse12)) (or .cse0 .cse18 .cse5 .cse9 .cse15 .cse11 .cse6 .cse19 .cse17 .cse20) (or .cse5 .cse6 .cse20 .cse9 .cse11 (and (not (= ~a8~0 0)) .cse16 .cse17) (= 0 |old(~a8~0)|) .cse12) (or .cse7 .cse14 .cse15) (or .cse0 .cse15 .cse14) (or .cse0 .cse10 .cse13) (or .cse0 .cse15 .cse13) (or (<= 15 ~a8~0) (< |old(~a8~0)| 15)) (or (and .cse17 (= ~a17~0 0)) .cse11 (or (not .cse0) .cse18 .cse5 .cse6 .cse19 (not (= 0 |old(~a17~0)|)) .cse9)) (or (and (<= ~a8~0 |old(~a8~0)|) .cse3 .cse13 .cse4 (not .cse8)) .cse7) (or .cse0 .cse13 .cse21) (or .cse5 .cse1 .cse6 .cse20 .cse9 (and .cse2 .cse3 .cse4 (= ~a20~0 1)) .cse11 .cse12)))) [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 05:13:06,642 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,643 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 05:13:06,644 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-23 05:13:06,645 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a8~0 15) (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-23 05:13:06,645 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 05:13:06,645 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 05:13:06,646 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 05:13:06,646 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 05:13:06,646 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 05:13:06,646 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 05:13:06,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:13:06 BoogieIcfgContainer [2018-11-23 05:13:06,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:13:06,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:13:06,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:13:06,663 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:13:06,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:12:44" (3/4) ... [2018-11-23 05:13:06,666 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:13:06,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:13:06,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 05:13:06,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:13:06,679 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 05:13:06,680 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 05:13:06,704 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || !(a8 == 13)) || !(8 == a12)) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || ((1 == a7 && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || (!(a20 == 1) && !(a16 == 6))) || !(0 == \old(a7))) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || (a7 == \old(a7) && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-11-23 05:13:06,770 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3703fbb4-9996-4257-80ee-e303ef3e06a8/bin-2019/utaipan/witness.graphml [2018-11-23 05:13:06,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:13:06,771 INFO L168 Benchmark]: Toolchain (without parser) took 24015.57 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -214.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 05:13:06,771 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:13:06,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.33 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:13:06,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:13:06,772 INFO L168 Benchmark]: Boogie Preprocessor took 51.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:13:06,772 INFO L168 Benchmark]: RCFGBuilder took 1229.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:13:06,772 INFO L168 Benchmark]: TraceAbstraction took 22142.82 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 969.4 MB in the beginning and 1.2 GB in the end (delta: -194.7 MB). Peak memory consumption was 975.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:13:06,773 INFO L168 Benchmark]: Witness Printer took 106.81 ms. Allocated memory is still 2.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:13:06,774 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.33 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1229.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22142.82 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 969.4 MB in the beginning and 1.2 GB in the end (delta: -194.7 MB). Peak memory consumption was 975.0 MB. Max. memory is 11.5 GB. * Witness Printer took 106.81 ms. Allocated memory is still 2.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 488]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || !(a8 == 13)) || !(8 == a12)) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || ((1 == a7 && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || (!(a20 == 1) && !(a16 == 6))) || !(0 == \old(a7))) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || (a7 == \old(a7) && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 22.0s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 15.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1214 SDtfs, 7636 SDslu, 1667 SDs, 0 SdLazy, 10339 SolverSat, 2051 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1728 GetRequests, 1606 SyntacticMatches, 7 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8200occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9968334481177396 AbsIntWeakeningRatio, 0.24074074074074073 AbsIntAvgWeakeningVarsNumRemoved, 29.131687242798353 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 104 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 439 NumberOfFragments, 633 HoareAnnotationTreeSize, 231 FomulaSimplifications, 8574 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5911 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1841 NumberOfCodeBlocks, 1777 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2388 ConstructedInterpolants, 0 QuantifiedInterpolants, 803409 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1502 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1279/1467 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...