./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_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_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:24:30,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:24:30,163 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:24:30,171 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:24:30,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:24:30,172 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:24:30,173 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:24:30,174 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:24:30,175 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:24:30,176 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:24:30,176 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:24:30,176 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:24:30,177 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:24:30,178 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:24:30,178 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:24:30,179 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:24:30,179 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:24:30,180 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:24:30,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:24:30,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:24:30,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:24:30,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:24:30,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:24:30,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:24:30,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:24:30,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:24:30,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:24:30,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:24:30,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:24:30,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:24:30,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:24:30,190 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:24:30,190 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:24:30,190 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:24:30,191 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:24:30,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:24:30,192 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:24:30,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:24:30,202 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:24:30,202 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:24:30,202 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:24:30,202 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:24:30,203 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:24:30,203 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:24:30,203 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:24:30,203 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:24:30,203 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:24:30,203 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:24:30,203 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:24:30,204 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:24:30,204 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:24:30,204 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:24:30,204 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:24:30,205 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:24:30,205 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:24:30,205 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:24:30,205 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:24:30,205 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:24:30,205 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:24:30,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:24:30,206 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:24:30,206 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:24:30,206 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:24:30,206 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:24:30,206 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:24:30,206 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:24:30,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:24:30,207 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:24:30,207 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:24:30,207 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:24:30,207 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:24:30,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:24:30,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:24:30,207 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:24:30,208 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_7ed22fb3-bc7d-4208-807d-0772f7fd673c/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-11-23 14:24:30,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:24:30,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:24:30,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:24:30,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:24:30,241 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:24:30,241 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-23 14:24:30,279 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/data/19406ed3e/849fa88ff441479c92e156f443586759/FLAGdfdce7135 [2018-11-23 14:24:30,731 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:24:30,731 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-23 14:24:30,740 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/data/19406ed3e/849fa88ff441479c92e156f443586759/FLAGdfdce7135 [2018-11-23 14:24:30,752 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/data/19406ed3e/849fa88ff441479c92e156f443586759 [2018-11-23 14:24:30,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:24:30,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:24:30,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:24:30,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:24:30,760 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:24:30,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:30" (1/1) ... [2018-11-23 14:24:30,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c6ad8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:30, skipping insertion in model container [2018-11-23 14:24:30,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:30" (1/1) ... [2018-11-23 14:24:30,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:24:30,805 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:24:31,035 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:24:31,039 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:24:31,105 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:24:31,118 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:24:31,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31 WrapperNode [2018-11-23 14:24:31,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:24:31,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:24:31,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:24:31,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:24:31,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:24:31,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:24:31,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:24:31,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:24:31,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... [2018-11-23 14:24:31,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:24:31,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:24:31,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:24:31,246 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:24:31,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/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 14:24:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 14:24:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:24:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:24:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 14:24:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 14:24:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:24:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:24:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:24:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:24:32,135 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:24:32,135 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 14:24:32,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:32 BoogieIcfgContainer [2018-11-23 14:24:32,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:24:32,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:24:32,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:24:32,140 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:24:32,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:24:30" (1/3) ... [2018-11-23 14:24:32,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5f0609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:32, skipping insertion in model container [2018-11-23 14:24:32,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:31" (2/3) ... [2018-11-23 14:24:32,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5f0609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:24:32, skipping insertion in model container [2018-11-23 14:24:32,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:32" (3/3) ... [2018-11-23 14:24:32,143 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label14_true-unreach-call_false-termination.c [2018-11-23 14:24:32,152 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:24:32,158 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:24:32,172 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:24:32,199 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:24:32,199 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:24:32,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:24:32,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:24:32,200 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:24:32,200 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:24:32,200 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:24:32,200 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:24:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 14:24:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 14:24:32,225 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:32,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:24:32,227 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:32,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:32,231 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2018-11-23 14:24:32,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:32,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:32,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:32,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:32,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:32,544 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 14:24:32,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:24:32,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:24:32,546 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:32,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:24:32,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:24:32,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:24:32,560 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 14:24:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:33,103 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-23 14:24:33,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:24:33,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-11-23 14:24:33,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:33,115 INFO L225 Difference]: With dead ends: 618 [2018-11-23 14:24:33,115 INFO L226 Difference]: Without dead ends: 380 [2018-11-23 14:24:33,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:24:33,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-23 14:24:33,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-23 14:24:33,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-23 14:24:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 606 transitions. [2018-11-23 14:24:33,162 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 606 transitions. Word has length 123 [2018-11-23 14:24:33,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:33,163 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 606 transitions. [2018-11-23 14:24:33,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:24:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 606 transitions. [2018-11-23 14:24:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 14:24:33,168 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:33,168 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:24:33,168 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:33,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:33,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1344572258, now seen corresponding path program 1 times [2018-11-23 14:24:33,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:33,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:33,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:33,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:33,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:33,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:24:33,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:24:33,376 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:33,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:24:33,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:24:33,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:33,378 INFO L87 Difference]: Start difference. First operand 380 states and 606 transitions. Second operand 5 states. [2018-11-23 14:24:33,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:33,947 INFO L93 Difference]: Finished difference Result 898 states and 1492 transitions. [2018-11-23 14:24:33,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:24:33,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-23 14:24:33,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:33,950 INFO L225 Difference]: With dead ends: 898 [2018-11-23 14:24:33,950 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 14:24:33,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:33,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 14:24:33,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-23 14:24:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-23 14:24:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 600 transitions. [2018-11-23 14:24:33,967 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 600 transitions. Word has length 131 [2018-11-23 14:24:33,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:33,967 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 600 transitions. [2018-11-23 14:24:33,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:24:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 600 transitions. [2018-11-23 14:24:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 14:24:33,969 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:33,970 INFO L402 BasicCegarLoop]: trace histogram [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, 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 14:24:33,970 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:33,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:33,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1612994454, now seen corresponding path program 1 times [2018-11-23 14:24:33,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:33,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:33,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:33,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:33,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:34,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:24:34,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:24:34,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:34,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:24:34,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:24:34,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:34,144 INFO L87 Difference]: Start difference. First operand 379 states and 600 transitions. Second operand 5 states. [2018-11-23 14:24:34,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:34,626 INFO L93 Difference]: Finished difference Result 896 states and 1477 transitions. [2018-11-23 14:24:34,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:24:34,627 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-11-23 14:24:34,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:34,629 INFO L225 Difference]: With dead ends: 896 [2018-11-23 14:24:34,629 INFO L226 Difference]: Without dead ends: 378 [2018-11-23 14:24:34,631 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-11-23 14:24:34,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2018-11-23 14:24:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-11-23 14:24:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 592 transitions. [2018-11-23 14:24:34,655 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 592 transitions. Word has length 137 [2018-11-23 14:24:34,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:34,656 INFO L480 AbstractCegarLoop]: Abstraction has 378 states and 592 transitions. [2018-11-23 14:24:34,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:24:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 592 transitions. [2018-11-23 14:24:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 14:24:34,658 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:34,658 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:34,658 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:34,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:34,659 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2018-11-23 14:24:34,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:34,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:34,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:34,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:34,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:34,735 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:34,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:24:34,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:24:34,736 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:34,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:24:34,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:24:34,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:24:34,737 INFO L87 Difference]: Start difference. First operand 378 states and 592 transitions. Second operand 6 states. [2018-11-23 14:24:35,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:35,329 INFO L93 Difference]: Finished difference Result 1186 states and 1935 transitions. [2018-11-23 14:24:35,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:24:35,330 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-11-23 14:24:35,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:35,333 INFO L225 Difference]: With dead ends: 1186 [2018-11-23 14:24:35,333 INFO L226 Difference]: Without dead ends: 814 [2018-11-23 14:24:35,334 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 14:24:35,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-23 14:24:35,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 803. [2018-11-23 14:24:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2018-11-23 14:24:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1204 transitions. [2018-11-23 14:24:35,358 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1204 transitions. Word has length 145 [2018-11-23 14:24:35,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:35,358 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 1204 transitions. [2018-11-23 14:24:35,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:24:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1204 transitions. [2018-11-23 14:24:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 14:24:35,360 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:35,360 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:35,360 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:35,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:35,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1344349755, now seen corresponding path program 1 times [2018-11-23 14:24:35,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:35,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:35,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:35,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:35,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:35,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:24:35,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:24:35,483 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:35,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:24:35,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:24:35,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:35,484 INFO L87 Difference]: Start difference. First operand 803 states and 1204 transitions. Second operand 5 states. [2018-11-23 14:24:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:35,928 INFO L93 Difference]: Finished difference Result 1744 states and 2660 transitions. [2018-11-23 14:24:35,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:24:35,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-11-23 14:24:35,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:35,932 INFO L225 Difference]: With dead ends: 1744 [2018-11-23 14:24:35,932 INFO L226 Difference]: Without dead ends: 800 [2018-11-23 14:24:35,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:35,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2018-11-23 14:24:35,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2018-11-23 14:24:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-11-23 14:24:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1186 transitions. [2018-11-23 14:24:35,954 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1186 transitions. Word has length 147 [2018-11-23 14:24:35,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:35,954 INFO L480 AbstractCegarLoop]: Abstraction has 800 states and 1186 transitions. [2018-11-23 14:24:35,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:24:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1186 transitions. [2018-11-23 14:24:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 14:24:35,956 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:35,957 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:35,957 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:35,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:35,957 INFO L82 PathProgramCache]: Analyzing trace with hash -2124265719, now seen corresponding path program 1 times [2018-11-23 14:24:35,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:35,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:35,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:35,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:35,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:36,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:24:36,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:24:36,104 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:36,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:24:36,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:24:36,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:36,104 INFO L87 Difference]: Start difference. First operand 800 states and 1186 transitions. Second operand 5 states. [2018-11-23 14:24:36,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:36,520 INFO L93 Difference]: Finished difference Result 1738 states and 2621 transitions. [2018-11-23 14:24:36,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:24:36,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-11-23 14:24:36,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:36,523 INFO L225 Difference]: With dead ends: 1738 [2018-11-23 14:24:36,523 INFO L226 Difference]: Without dead ends: 797 [2018-11-23 14:24:36,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:24:36,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-11-23 14:24:36,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2018-11-23 14:24:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2018-11-23 14:24:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1165 transitions. [2018-11-23 14:24:36,540 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1165 transitions. Word has length 149 [2018-11-23 14:24:36,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:36,540 INFO L480 AbstractCegarLoop]: Abstraction has 797 states and 1165 transitions. [2018-11-23 14:24:36,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:24:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1165 transitions. [2018-11-23 14:24:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 14:24:36,542 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:36,542 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:36,542 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:36,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:36,543 INFO L82 PathProgramCache]: Analyzing trace with hash 566845841, now seen corresponding path program 1 times [2018-11-23 14:24:36,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:36,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:36,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:36,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:36,544 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:36,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:24:36,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:24:36,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:36,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:24:36,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:24:36,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:24:36,616 INFO L87 Difference]: Start difference. First operand 797 states and 1165 transitions. Second operand 6 states. [2018-11-23 14:24:37,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:37,167 INFO L93 Difference]: Finished difference Result 2367 states and 3607 transitions. [2018-11-23 14:24:37,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:24:37,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-23 14:24:37,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:37,175 INFO L225 Difference]: With dead ends: 2367 [2018-11-23 14:24:37,175 INFO L226 Difference]: Without dead ends: 1576 [2018-11-23 14:24:37,178 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 14:24:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-11-23 14:24:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1550. [2018-11-23 14:24:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2018-11-23 14:24:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2217 transitions. [2018-11-23 14:24:37,213 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2217 transitions. Word has length 153 [2018-11-23 14:24:37,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:37,213 INFO L480 AbstractCegarLoop]: Abstraction has 1550 states and 2217 transitions. [2018-11-23 14:24:37,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:24:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2217 transitions. [2018-11-23 14:24:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 14:24:37,218 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:37,218 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 14:24:37,218 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:37,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:37,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1114474735, now seen corresponding path program 1 times [2018-11-23 14:24:37,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:37,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:37,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:37,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:37,220 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:37,301 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:24:37,301 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:24:37,302 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-23 14:24:37,303 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:24:37,338 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:24:37,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:24:37,880 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:24:37,881 INFO L272 AbstractInterpreter]: Visited 127 different actions 248 times. Merged at 4 different actions 4 times. Never widened. Performed 2803 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2803 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 14:24:37,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:37,907 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:24:38,275 INFO L227 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 82.63% of their original sizes. [2018-11-23 14:24:38,275 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:24:38,333 INFO L415 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-11-23 14:24:38,333 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:24:38,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:24:38,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 14:24:38,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:38,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:24:38,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:24:38,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:24:38,336 INFO L87 Difference]: Start difference. First operand 1550 states and 2217 transitions. Second operand 10 states. [2018-11-23 14:24:41,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:41,632 INFO L93 Difference]: Finished difference Result 3902 states and 5544 transitions. [2018-11-23 14:24:41,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 14:24:41,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2018-11-23 14:24:41,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:41,638 INFO L225 Difference]: With dead ends: 3902 [2018-11-23 14:24:41,638 INFO L226 Difference]: Without dead ends: 2358 [2018-11-23 14:24:41,641 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 14:24:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2018-11-23 14:24:41,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2289. [2018-11-23 14:24:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2018-11-23 14:24:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 3065 transitions. [2018-11-23 14:24:41,675 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 3065 transitions. Word has length 187 [2018-11-23 14:24:41,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:41,675 INFO L480 AbstractCegarLoop]: Abstraction has 2289 states and 3065 transitions. [2018-11-23 14:24:41,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:24:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 3065 transitions. [2018-11-23 14:24:41,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 14:24:41,679 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:41,680 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2018-11-23 14:24:41,680 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:41,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:41,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1692864608, now seen corresponding path program 1 times [2018-11-23 14:24:41,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:41,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:41,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:41,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:41,681 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:41,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:24:41,791 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:24:41,791 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-11-23 14:24:41,792 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:24:41,795 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:24:41,795 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:24:41,986 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:24:41,986 INFO L272 AbstractInterpreter]: Visited 129 different actions 382 times. Merged at 7 different actions 17 times. Never widened. Performed 4556 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4556 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 14:24:41,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:41,991 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:24:41,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:24:41,991 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/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 14:24:41,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:41,999 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:24:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:42,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:24:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:24:42,184 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:24:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:24:42,311 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 14:24:42,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-23 14:24:42,311 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 14:24:42,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 14:24:42,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 14:24:42,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-23 14:24:42,312 INFO L87 Difference]: Start difference. First operand 2289 states and 3065 transitions. Second operand 14 states. [2018-11-23 14:24:44,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:44,287 INFO L93 Difference]: Finished difference Result 7697 states and 10747 transitions. [2018-11-23 14:24:44,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 14:24:44,287 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 191 [2018-11-23 14:24:44,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:44,297 INFO L225 Difference]: With dead ends: 7697 [2018-11-23 14:24:44,298 INFO L226 Difference]: Without dead ends: 3437 [2018-11-23 14:24:44,309 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 394 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 14:24:44,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2018-11-23 14:24:44,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 3391. [2018-11-23 14:24:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3391 states. [2018-11-23 14:24:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 4001 transitions. [2018-11-23 14:24:44,376 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 4001 transitions. Word has length 191 [2018-11-23 14:24:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:44,376 INFO L480 AbstractCegarLoop]: Abstraction has 3391 states and 4001 transitions. [2018-11-23 14:24:44,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 14:24:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 4001 transitions. [2018-11-23 14:24:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 14:24:44,382 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:24:44,383 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:24:44,383 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:24:44,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:44,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1309776120, now seen corresponding path program 1 times [2018-11-23 14:24:44,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:24:44,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:44,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:44,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:24:44,384 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:24:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:24:44,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:24:44,538 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:24:44,539 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-23 14:24:44,539 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [663], [665], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 14:24:44,542 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:24:44,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:24:44,772 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:24:44,772 INFO L272 AbstractInterpreter]: Visited 128 different actions 375 times. Merged at 6 different actions 13 times. Never widened. Performed 4499 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4499 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 14:24:44,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:24:44,782 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:24:44,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:24:44,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/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 14:24:44,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:24:44,803 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:24:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:24:44,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:24:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:24:44,941 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:24:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:24:44,996 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:24:44,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-23 14:24:44,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:24:44,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:24:44,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:24:44,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:24:44,998 INFO L87 Difference]: Start difference. First operand 3391 states and 4001 transitions. Second operand 3 states. [2018-11-23 14:24:45,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:24:45,227 INFO L93 Difference]: Finished difference Result 6450 states and 7679 transitions. [2018-11-23 14:24:45,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:24:45,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2018-11-23 14:24:45,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:24:45,229 INFO L225 Difference]: With dead ends: 6450 [2018-11-23 14:24:45,229 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:24:45,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:24:45,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:24:45,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:24:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:24:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:24:45,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2018-11-23 14:24:45,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:24:45,236 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:24:45,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:24:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:24:45,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:24:45,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:24:45,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:24:45,993 WARN L180 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 80 [2018-11-23 14:24:46,124 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2018-11-23 14:24:46,228 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2018-11-23 14:24:46,229 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 14:24:46,230 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 14:24:46,231 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,232 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 14:24:46,233 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 14:24:46,234 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 14:24:46,235 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 14:24:46,236 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 14:24:46,237 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,238 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,239 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,239 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse9 (= 1 |old(~a19~0)|)) (.cse1 (= 1 |old(~a11~0)|)) (.cse15 (= 1 |old(~a25~0)|)) (.cse12 (= 1 ~a11~0)) (.cse13 (= 1 ~a19~0)) (.cse23 (= |old(~a17~0)| ~a17~0)) (.cse24 (= |old(~a25~0)| ~a25~0)) (.cse25 (= ~a28~0 |old(~a28~0)|))) (let ((.cse3 (and .cse23 .cse24 .cse25)) (.cse7 (and .cse23 .cse25 (= ~a25~0 1))) (.cse4 (< 7 |old(~a17~0)|)) (.cse10 (not (= 7 |old(~a28~0)|))) (.cse21 (and .cse12 .cse13)) (.cse5 (not .cse15)) (.cse6 (= 9 |old(~a28~0)|)) (.cse14 (not .cse1)) (.cse8 (not (= |old(~a17~0)| 8))) (.cse22 (not (= ~a11~0 1))) (.cse0 (not (= 1 ~a21~0))) (.cse17 (not .cse9)) (.cse18 (= 0 |old(~a28~0)|)) (.cse2 (= 8 |old(~a28~0)|)) (.cse19 (not (= 0 |old(~a11~0)|))) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse20 (= |calculate_output_#in~input| 0)) (.cse16 (and (= ~a11~0 0) (= ~a19~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse10 .cse11 (and .cse12 (not .cse13)) .cse14 .cse15) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse8 .cse15) (or .cse16 .cse0 .cse5 .cse17 .cse18 .cse19 .cse11 .cse20) (or .cse0 .cse5 .cse2 .cse7 .cse4) (or .cse21 .cse0 (not (= 10 |old(~a28~0)|)) .cse5 .cse17 .cse11 .cse14) (or .cse0 .cse1 .cse2 .cse22 .cse4) (or .cse0 .cse10 .cse5 .cse17 .cse14 .cse21 (not (= 7 |old(~a17~0)|))) (or .cse0 .cse5 .cse17 .cse11 (and .cse12 (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) .cse13) (not .cse6) .cse14) (or .cse0 .cse1 .cse8 (and .cse23 .cse24 .cse25 .cse22)) (or .cse0 .cse17 .cse18 .cse2 .cse19 .cse11 .cse20 .cse16)))) [2018-11-23 14:24:46,239 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,239 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,239 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,239 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 14:24:46,239 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 14:24:46,239 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,240 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 14:24:46,241 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 14:24:46,242 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 14:24:46,243 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 14:24:46,254 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:24:46,254 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 14:24:46,254 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:24:46,254 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:24:46,254 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 14:24:46,255 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse5 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5) (not (= 1 |old(~a19~0)|)) (and (not .cse4) .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse5))) [2018-11-23 14:24:46,255 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 14:24:46,255 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 14:24:46,255 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a25~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8))) (.cse5 (not (= ~a28~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse2 .cse3 .cse4) (and .cse0 .cse3 .cse5) (not (= 1 |old(~a19~0)|)) (and (not .cse4) .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse5))) [2018-11-23 14:24:46,255 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 14:24:46,255 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 14:24:46,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:24:46 BoogieIcfgContainer [2018-11-23 14:24:46,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:24:46,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:24:46,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:24:46,266 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:24:46,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:24:32" (3/4) ... [2018-11-23 14:24:46,269 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:24:46,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:24:46,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 14:24:46,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:24:46,290 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:24:46,290 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:24:46,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (\old(a17) == a17 && !(a11 == 1))) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || ((a17 <= 7 && !(a28 == 8)) && a25 == 1)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || ((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) [2018-11-23 14:24:46,393 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7ed22fb3-bc7d-4208-807d-0772f7fd673c/bin-2019/utaipan/witness.graphml [2018-11-23 14:24:46,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:24:46,393 INFO L168 Benchmark]: Toolchain (without parser) took 15638.32 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 728.8 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 542.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:46,394 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:24:46,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.10 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.4 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:46,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 927.4 MB in the beginning and 1.1 GB in the end (delta: -220.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:46,396 INFO L168 Benchmark]: Boogie Preprocessor took 52.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:24:46,396 INFO L168 Benchmark]: RCFGBuilder took 890.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:46,396 INFO L168 Benchmark]: TraceAbstraction took 14128.79 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 569.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -122.5 MB). Peak memory consumption was 447.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:46,396 INFO L168 Benchmark]: Witness Printer took 127.22 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:24:46,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.10 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.4 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 927.4 MB in the beginning and 1.1 GB in the end (delta: -220.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 890.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14128.79 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 569.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -122.5 MB). Peak memory consumption was 447.4 MB. Max. memory is 11.5 GB. * Witness Printer took 127.22 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (\old(a17) == a17 && !(a11 == 1))) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || ((a17 <= 7 && !(a28 == 8)) && a25 == 1)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || ((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 14.0s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 9.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1363 SDtfs, 8072 SDslu, 1404 SDs, 0 SdLazy, 9382 SolverSat, 1975 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1100 GetRequests, 1010 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3391occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9975387010016992 AbsIntWeakeningRatio, 0.1774193548387097 AbsIntAvgWeakeningVarsNumRemoved, 26.763440860215052 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 152 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 102 PreInvPairs, 174 NumberOfFragments, 654 HoareAnnotationTreeSize, 102 FomulaSimplifications, 2530 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2758 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1970 NumberOfCodeBlocks, 1970 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2355 ConstructedInterpolants, 0 QuantifiedInterpolants, 1866009 SizeOfPredicates, 1 NumberOfNonLiveVariables, 961 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 757/791 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...