./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:51:35,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:51:35,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:51:35,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:51:35,195 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:51:35,196 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:51:35,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:51:35,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:51:35,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:51:35,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:51:35,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:51:35,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:51:35,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:51:35,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:51:35,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:51:35,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:51:35,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:51:35,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:51:35,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:51:35,204 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:51:35,205 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:51:35,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:51:35,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:51:35,207 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:51:35,207 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:51:35,207 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:51:35,208 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:51:35,208 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:51:35,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:51:35,209 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:51:35,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:51:35,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:51:35,210 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:51:35,210 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:51:35,211 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:51:35,211 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:51:35,211 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:51:35,218 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:51:35,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:51:35,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:51:35,219 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:51:35,219 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:51:35,219 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:51:35,219 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:51:35,219 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:51:35,219 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:51:35,220 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:51:35,220 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:51:35,220 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:51:35,220 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:51:35,220 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:51:35,220 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:51:35,221 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:51:35,222 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:51:35,222 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:51:35,222 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:51:35,222 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:51:35,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:51:35,222 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:51:35,222 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:51:35,222 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:51:35,223 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:51:35,223 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:51:35,223 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:51:35,223 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:51:35,223 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_c940952b-ad18-4115-9c73-31174c03fe05/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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-12-09 15:51:35,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:51:35,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:51:35,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:51:35,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:51:35,249 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:51:35,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-09 15:51:35,295 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/data/51ae1352b/41d4aba441f746ca8c2b23e7e874d7d5/FLAG3a1e93f1d [2018-12-09 15:51:35,786 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:51:35,786 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-12-09 15:51:35,795 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/data/51ae1352b/41d4aba441f746ca8c2b23e7e874d7d5/FLAG3a1e93f1d [2018-12-09 15:51:35,805 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/data/51ae1352b/41d4aba441f746ca8c2b23e7e874d7d5 [2018-12-09 15:51:35,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:51:35,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:51:35,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:51:35,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:51:35,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:51:35,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:51:35" (1/1) ... [2018-12-09 15:51:35,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:35, skipping insertion in model container [2018-12-09 15:51:35,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:51:35" (1/1) ... [2018-12-09 15:51:35,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:51:35,845 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:51:36,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:51:36,027 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:51:36,125 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:51:36,135 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:51:36,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36 WrapperNode [2018-12-09 15:51:36,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:51:36,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:51:36,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:51:36,136 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:51:36,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:51:36,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:51:36,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:51:36,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:51:36,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... [2018-12-09 15:51:36,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:51:36,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:51:36,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:51:36,191 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:51:36,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/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 [2018-12-09 15:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:51:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 15:51:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 15:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:51:36,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:51:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:51:36,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:51:36,849 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:51:36,849 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 15:51:36,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:51:36 BoogieIcfgContainer [2018-12-09 15:51:36,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:51:36,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:51:36,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:51:36,853 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:51:36,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:51:35" (1/3) ... [2018-12-09 15:51:36,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:51:36, skipping insertion in model container [2018-12-09 15:51:36,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:51:36" (2/3) ... [2018-12-09 15:51:36,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:51:36, skipping insertion in model container [2018-12-09 15:51:36,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:51:36" (3/3) ... [2018-12-09 15:51:36,856 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-12-09 15:51:36,863 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:51:36,870 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:51:36,881 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:51:36,903 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:51:36,903 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:51:36,903 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:51:36,904 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:51:36,904 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:51:36,904 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:51:36,904 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:51:36,904 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:51:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-09 15:51:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 15:51:36,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:51:36,930 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] [2018-12-09 15:51:36,932 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:51:36,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:36,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1015003737, now seen corresponding path program 1 times [2018-12-09 15:51:36,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:51:36,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:36,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:36,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:36,973 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:51:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:51:37,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:51:37,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:51:37,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:51:37,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:51:37,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:51:37,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:51:37,183 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-09 15:51:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:51:37,635 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-09 15:51:37,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:51:37,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-09 15:51:37,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:51:37,644 INFO L225 Difference]: With dead ends: 571 [2018-12-09 15:51:37,645 INFO L226 Difference]: Without dead ends: 294 [2018-12-09 15:51:37,647 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 [2018-12-09 15:51:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-09 15:51:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-09 15:51:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-09 15:51:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 421 transitions. [2018-12-09 15:51:37,684 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 421 transitions. Word has length 70 [2018-12-09 15:51:37,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:51:37,685 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 421 transitions. [2018-12-09 15:51:37,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:51:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 421 transitions. [2018-12-09 15:51:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 15:51:37,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:51:37,689 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:51:37,689 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:51:37,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:37,690 INFO L82 PathProgramCache]: Analyzing trace with hash -195666983, now seen corresponding path program 1 times [2018-12-09 15:51:37,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:51:37,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:37,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:37,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:37,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:51:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:51:37,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:51:37,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:51:37,801 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:51:37,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:51:37,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:51:37,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:51:37,802 INFO L87 Difference]: Start difference. First operand 294 states and 421 transitions. Second operand 6 states. [2018-12-09 15:51:38,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:51:38,254 INFO L93 Difference]: Finished difference Result 741 states and 1061 transitions. [2018-12-09 15:51:38,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:51:38,254 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-09 15:51:38,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:51:38,258 INFO L225 Difference]: With dead ends: 741 [2018-12-09 15:51:38,258 INFO L226 Difference]: Without dead ends: 453 [2018-12-09 15:51:38,259 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 [2018-12-09 15:51:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-12-09 15:51:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 445. [2018-12-09 15:51:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-12-09 15:51:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 606 transitions. [2018-12-09 15:51:38,281 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 606 transitions. Word has length 139 [2018-12-09 15:51:38,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:51:38,281 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 606 transitions. [2018-12-09 15:51:38,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:51:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 606 transitions. [2018-12-09 15:51:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 15:51:38,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:51:38,284 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 15:51:38,285 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:51:38,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:38,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1516573211, now seen corresponding path program 1 times [2018-12-09 15:51:38,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:51:38,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:38,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:38,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:38,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:51:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:38,377 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:51:38,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:51:38,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:51:38,378 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:51:38,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:51:38,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:51:38,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:51:38,379 INFO L87 Difference]: Start difference. First operand 445 states and 606 transitions. Second operand 4 states. [2018-12-09 15:51:38,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:51:38,870 INFO L93 Difference]: Finished difference Result 1609 states and 2232 transitions. [2018-12-09 15:51:38,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:51:38,871 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2018-12-09 15:51:38,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:51:38,874 INFO L225 Difference]: With dead ends: 1609 [2018-12-09 15:51:38,874 INFO L226 Difference]: Without dead ends: 735 [2018-12-09 15:51:38,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:51:38,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-12-09 15:51:38,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 592. [2018-12-09 15:51:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-09 15:51:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 801 transitions. [2018-12-09 15:51:38,894 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 801 transitions. Word has length 149 [2018-12-09 15:51:38,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:51:38,894 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 801 transitions. [2018-12-09 15:51:38,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:51:38,894 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 801 transitions. [2018-12-09 15:51:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 15:51:38,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:51:38,897 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 15:51:38,897 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:51:38,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:38,898 INFO L82 PathProgramCache]: Analyzing trace with hash 2032612418, now seen corresponding path program 1 times [2018-12-09 15:51:38,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:51:38,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:38,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:38,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:38,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:51:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:51:39,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:51:39,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:51:39,004 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:51:39,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:51:39,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:51:39,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:51:39,005 INFO L87 Difference]: Start difference. First operand 592 states and 801 transitions. Second operand 6 states. [2018-12-09 15:51:39,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:51:39,393 INFO L93 Difference]: Finished difference Result 1492 states and 2064 transitions. [2018-12-09 15:51:39,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:51:39,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-12-09 15:51:39,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:51:39,397 INFO L225 Difference]: With dead ends: 1492 [2018-12-09 15:51:39,397 INFO L226 Difference]: Without dead ends: 906 [2018-12-09 15:51:39,399 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 [2018-12-09 15:51:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2018-12-09 15:51:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 890. [2018-12-09 15:51:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-12-09 15:51:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1141 transitions. [2018-12-09 15:51:39,430 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1141 transitions. Word has length 192 [2018-12-09 15:51:39,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:51:39,430 INFO L480 AbstractCegarLoop]: Abstraction has 890 states and 1141 transitions. [2018-12-09 15:51:39,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:51:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1141 transitions. [2018-12-09 15:51:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 15:51:39,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:51:39,433 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:51:39,433 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:51:39,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:39,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1889340864, now seen corresponding path program 1 times [2018-12-09 15:51:39,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:51:39,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:39,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:39,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:39,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:51:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:39,528 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 126 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:51:39,528 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:51:39,528 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:51:39,529 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-12-09 15:51:39,530 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 15:51:39,562 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:51:39,562 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:51:39,829 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 15:51:39,830 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Performed 828 root evaluator evaluations with a maximum evaluation depth of 3. Performed 828 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 15:51:39,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:39,836 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 15:51:40,159 INFO L227 lantSequenceWeakener]: Weakened 230 states. On average, predicates are now at 73.68% of their original sizes. [2018-12-09 15:51:40,160 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 15:51:40,196 INFO L418 sIntCurrentIteration]: We unified 238 AI predicates to 238 [2018-12-09 15:51:40,197 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 15:51:40,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 15:51:40,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-09 15:51:40,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:51:40,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:51:40,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:51:40,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:51:40,199 INFO L87 Difference]: Start difference. First operand 890 states and 1141 transitions. Second operand 6 states. [2018-12-09 15:51:47,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:51:47,946 INFO L93 Difference]: Finished difference Result 1918 states and 2452 transitions. [2018-12-09 15:51:47,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 15:51:47,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 239 [2018-12-09 15:51:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:51:47,948 INFO L225 Difference]: With dead ends: 1918 [2018-12-09 15:51:47,948 INFO L226 Difference]: Without dead ends: 1034 [2018-12-09 15:51:47,949 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:51:47,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-12-09 15:51:47,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 1033. [2018-12-09 15:51:47,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-12-09 15:51:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1290 transitions. [2018-12-09 15:51:47,962 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1290 transitions. Word has length 239 [2018-12-09 15:51:47,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:51:47,962 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1290 transitions. [2018-12-09 15:51:47,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:51:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1290 transitions. [2018-12-09 15:51:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 15:51:47,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:51:47,965 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:51:47,965 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:51:47,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:47,965 INFO L82 PathProgramCache]: Analyzing trace with hash -122970787, now seen corresponding path program 1 times [2018-12-09 15:51:47,966 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:51:47,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:47,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:47,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:47,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:51:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 15:51:48,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:51:48,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:51:48,389 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-12-09 15:51:48,390 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 15:51:48,392 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:51:48,392 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:51:49,856 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 15:51:49,856 INFO L272 AbstractInterpreter]: Visited 97 different actions 382 times. Merged at 7 different actions 27 times. Never widened. Performed 3729 root evaluator evaluations with a maximum evaluation depth of 20. Performed 3729 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 15:51:49,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:49,859 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 15:51:49,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:51:49,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/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 [2018-12-09 15:51:49,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:49,865 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 15:51:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:49,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:51:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 15:51:50,049 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 15:51:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 15:51:50,237 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 15:51:50,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 18 [2018-12-09 15:51:50,238 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 15:51:50,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 15:51:50,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 15:51:50,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-12-09 15:51:50,239 INFO L87 Difference]: Start difference. First operand 1033 states and 1290 transitions. Second operand 17 states. [2018-12-09 15:51:52,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:51:52,466 INFO L93 Difference]: Finished difference Result 2424 states and 3267 transitions. [2018-12-09 15:51:52,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-12-09 15:51:52,467 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 309 [2018-12-09 15:51:52,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:51:52,471 INFO L225 Difference]: With dead ends: 2424 [2018-12-09 15:51:52,471 INFO L226 Difference]: Without dead ends: 1540 [2018-12-09 15:51:52,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 639 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=550, Invalid=1612, Unknown=0, NotChecked=0, Total=2162 [2018-12-09 15:51:52,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2018-12-09 15:51:52,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1490. [2018-12-09 15:51:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1490 states. [2018-12-09 15:51:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1832 transitions. [2018-12-09 15:51:52,505 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1832 transitions. Word has length 309 [2018-12-09 15:51:52,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:51:52,506 INFO L480 AbstractCegarLoop]: Abstraction has 1490 states and 1832 transitions. [2018-12-09 15:51:52,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 15:51:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1832 transitions. [2018-12-09 15:51:52,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 15:51:52,509 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:51:52,510 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:51:52,510 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:51:52,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:52,510 INFO L82 PathProgramCache]: Analyzing trace with hash -703978038, now seen corresponding path program 1 times [2018-12-09 15:51:52,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:51:52,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:52,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:52,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:51:52,511 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:51:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 278 proven. 158 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:51:52,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:51:52,860 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:51:52,860 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 355 with the following transitions: [2018-12-09 15:51:52,860 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 15:51:52,862 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:51:52,862 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:51:54,119 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 15:51:54,119 INFO L272 AbstractInterpreter]: Visited 125 different actions 371 times. Merged at 7 different actions 18 times. Never widened. Performed 3888 root evaluator evaluations with a maximum evaluation depth of 20. Performed 3888 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 15:51:54,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:51:54,120 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 15:51:54,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:51:54,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/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 [2018-12-09 15:51:54,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:51:54,126 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 15:51:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:51:54,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:52:06,676 WARN L180 SmtUtils]: Spent 12.36 s on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-12-09 15:52:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 372 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 15:52:06,940 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 15:52:14,236 WARN L180 SmtUtils]: Spent 7.06 s on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2018-12-09 15:52:14,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-12-09 15:52:14,338 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-12-09 15:52:14,464 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,494 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,562 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,593 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,656 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,690 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,929 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,959 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:14,988 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,019 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,079 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,142 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,174 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,208 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,281 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,315 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,348 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,448 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,482 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,515 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,545 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,576 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,614 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,681 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,710 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,740 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,771 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,801 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,893 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:15,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,047 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,224 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,256 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,288 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,321 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,351 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,382 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,411 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,471 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,500 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,563 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,594 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,631 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,667 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,860 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,928 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:16,996 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,031 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,065 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,098 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,134 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,195 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,227 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,257 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,288 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,322 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,356 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,391 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,425 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,458 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,518 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,550 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,581 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,645 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,676 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,707 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,737 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,828 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,868 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:17,976 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 15:52:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 197 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 15:52:18,399 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 15:52:18,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 25 [2018-12-09 15:52:18,400 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 15:52:18,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 15:52:18,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 15:52:18,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=493, Unknown=0, NotChecked=0, Total=600 [2018-12-09 15:52:18,401 INFO L87 Difference]: Start difference. First operand 1490 states and 1832 transitions. Second operand 18 states. [2018-12-09 15:52:22,277 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-12-09 15:52:28,522 WARN L180 SmtUtils]: Spent 5.69 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2018-12-09 15:52:29,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:52:29,495 INFO L93 Difference]: Finished difference Result 4029 states and 5229 transitions. [2018-12-09 15:52:29,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-09 15:52:29,495 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 354 [2018-12-09 15:52:29,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:52:29,501 INFO L225 Difference]: With dead ends: 4029 [2018-12-09 15:52:29,501 INFO L226 Difference]: Without dead ends: 2829 [2018-12-09 15:52:29,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 613 SyntacticMatches, 111 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3160 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=642, Invalid=2220, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 15:52:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2829 states. [2018-12-09 15:52:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2829 to 2809. [2018-12-09 15:52:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2809 states. [2018-12-09 15:52:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2809 states and 3512 transitions. [2018-12-09 15:52:29,545 INFO L78 Accepts]: Start accepts. Automaton has 2809 states and 3512 transitions. Word has length 354 [2018-12-09 15:52:29,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:52:29,545 INFO L480 AbstractCegarLoop]: Abstraction has 2809 states and 3512 transitions. [2018-12-09 15:52:29,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 15:52:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3512 transitions. [2018-12-09 15:52:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-12-09 15:52:29,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:52:29,549 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:52:29,550 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:52:29,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:52:29,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1404940765, now seen corresponding path program 1 times [2018-12-09 15:52:29,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:52:29,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:52:29,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:52:29,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:52:29,551 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:52:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:52:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-12-09 15:52:29,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:52:29,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 15:52:29,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:52:29,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 15:52:29,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 15:52:29,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:52:29,651 INFO L87 Difference]: Start difference. First operand 2809 states and 3512 transitions. Second operand 4 states. [2018-12-09 15:52:30,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:52:30,130 INFO L93 Difference]: Finished difference Result 6188 states and 7995 transitions. [2018-12-09 15:52:30,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 15:52:30,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 373 [2018-12-09 15:52:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:52:30,136 INFO L225 Difference]: With dead ends: 6188 [2018-12-09 15:52:30,136 INFO L226 Difference]: Without dead ends: 3671 [2018-12-09 15:52:30,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 15:52:30,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2018-12-09 15:52:30,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3383. [2018-12-09 15:52:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3383 states. [2018-12-09 15:52:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 3383 states and 4308 transitions. [2018-12-09 15:52:30,187 INFO L78 Accepts]: Start accepts. Automaton has 3383 states and 4308 transitions. Word has length 373 [2018-12-09 15:52:30,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:52:30,187 INFO L480 AbstractCegarLoop]: Abstraction has 3383 states and 4308 transitions. [2018-12-09 15:52:30,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 15:52:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 4308 transitions. [2018-12-09 15:52:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-12-09 15:52:30,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:52:30,192 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 15:52:30,192 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:52:30,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:52:30,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1703123166, now seen corresponding path program 1 times [2018-12-09 15:52:30,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:52:30,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:52:30,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:52:30,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:52:30,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:52:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:52:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 266 proven. 87 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-09 15:52:30,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:52:30,386 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:52:30,386 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 393 with the following transitions: [2018-12-09 15:52:30,386 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 15:52:30,389 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:52:30,389 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:52:30,549 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 15:52:30,550 INFO L272 AbstractInterpreter]: Visited 132 different actions 391 times. Merged at 7 different actions 17 times. Never widened. Performed 4197 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 15:52:30,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:52:30,551 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 15:52:30,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:52:30,551 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 15:52:30,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:52:30,557 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 15:52:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:52:30,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:52:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-09 15:52:30,670 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 15:52:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-09 15:52:30,793 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 15:52:30,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-09 15:52:30,793 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 15:52:30,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 15:52:30,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 15:52:30,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-12-09 15:52:30,794 INFO L87 Difference]: Start difference. First operand 3383 states and 4308 transitions. Second operand 11 states. [2018-12-09 15:52:31,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:52:31,850 INFO L93 Difference]: Finished difference Result 6802 states and 8927 transitions. [2018-12-09 15:52:31,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 15:52:31,850 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 392 [2018-12-09 15:52:31,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:52:31,859 INFO L225 Difference]: With dead ends: 6802 [2018-12-09 15:52:31,859 INFO L226 Difference]: Without dead ends: 3711 [2018-12-09 15:52:31,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 788 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2018-12-09 15:52:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3711 states. [2018-12-09 15:52:31,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3711 to 3568. [2018-12-09 15:52:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3568 states. [2018-12-09 15:52:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4564 transitions. [2018-12-09 15:52:31,929 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4564 transitions. Word has length 392 [2018-12-09 15:52:31,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:52:31,929 INFO L480 AbstractCegarLoop]: Abstraction has 3568 states and 4564 transitions. [2018-12-09 15:52:31,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 15:52:31,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4564 transitions. [2018-12-09 15:52:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-12-09 15:52:31,934 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:52:31,934 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 15:52:31,934 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:52:31,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:52:31,934 INFO L82 PathProgramCache]: Analyzing trace with hash 197567602, now seen corresponding path program 1 times [2018-12-09 15:52:31,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:52:31,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:52:31,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:52:31,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:52:31,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:52:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:52:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 182 proven. 216 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-09 15:52:32,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:52:32,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 15:52:32,201 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 411 with the following transitions: [2018-12-09 15:52:32,201 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [469], [471], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [542], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 15:52:32,203 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 15:52:32,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 15:52:32,334 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 15:52:32,334 INFO L272 AbstractInterpreter]: Visited 147 different actions 438 times. Merged at 7 different actions 19 times. Never widened. Performed 4826 root evaluator evaluations with a maximum evaluation depth of 9. Performed 4826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 15:52:32,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:52:32,338 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 15:52:32,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 15:52:32,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 15:52:32,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:52:32,344 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 15:52:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:52:32,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:52:34,448 WARN L180 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-12-09 15:52:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:52:35,961 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 15:52:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-12-09 15:52:36,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 15:52:36,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [12, 12] total 19 [2018-12-09 15:52:36,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:52:36,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:52:36,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:52:36,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-12-09 15:52:36,111 INFO L87 Difference]: Start difference. First operand 3568 states and 4564 transitions. Second operand 3 states. [2018-12-09 15:52:36,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:52:36,406 INFO L93 Difference]: Finished difference Result 7710 states and 9986 transitions. [2018-12-09 15:52:36,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:52:36,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 410 [2018-12-09 15:52:36,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:52:36,407 INFO L225 Difference]: With dead ends: 7710 [2018-12-09 15:52:36,407 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:52:36,420 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 812 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-12-09 15:52:36,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:52:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:52:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:52:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:52:36,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2018-12-09 15:52:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:52:36,421 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:52:36,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:52:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:52:36,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:52:36,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:52:36,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:52:36,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:52:36,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 15:52:36,972 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 53 [2018-12-09 15:52:37,288 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 50 [2018-12-09 15:52:37,601 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 50 [2018-12-09 15:52:37,602 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 15:52:37,603 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 15:52:37,604 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-09 15:52:37,605 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-09 15:52:37,606 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 15:52:37,607 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-09 15:52:37,608 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,609 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,610 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-09 15:52:37,611 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= |old(~a10~0)| ~a10~0)) (.cse7 (= 4 |old(~a10~0)|))) (let ((.cse6 (< |old(~a10~0)| 1)) (.cse0 (= 7 |old(~a19~0)|)) (.cse8 (or .cse7 (= 1 |old(~a10~0)|))) (.cse2 (= 10 |old(~a19~0)|)) (.cse3 (not (= 14 ~a4~0))) (.cse4 (not (= 0 ~a12~0))) (.cse1 (and (= ~a19~0 |old(~a19~0)|) .cse5 (= ~a1~0 |old(~a1~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (= 8 ~a19~0) .cse5) (not (= 8 |old(~a19~0)|))) (or .cse6 .cse7 .cse1 .cse3 .cse4 (<= |old(~a1~0)| 218)) (or (or .cse7 .cse3 .cse4 (< 33 |old(~a1~0)|)) .cse1) (or .cse1 (or .cse8 (< 38 |old(~a1~0)|) .cse3 .cse4)) (or .cse6 .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse8 .cse2 .cse3 .cse4 .cse1)))) [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 15:52:37,612 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-09 15:52:37,613 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-09 15:52:37,614 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-09 15:52:37,615 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:52:37,615 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:52:37,615 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-09 15:52:37,616 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-09 15:52:37,616 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= ~a19~0 10))) (.cse3 (not (= ~a10~0 1))) (.cse1 (not (= 7 ~a19~0))) (.cse0 (not (= ~a10~0 4)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (< 218 ~a1~0) (= 1 ~a10~0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 33) .cse0) (and .cse1 .cse2) (and (<= ~a1~0 38) (and .cse3 .cse0)) (not (= 14 ~a4~0)) (and .cse2 .cse3 .cse0) (and .cse1 (<= 1 ~a10~0) .cse0))) [2018-12-09 15:52:37,616 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-09 15:52:37,616 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-09 15:52:37,616 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= ~a19~0 10))) (.cse3 (not (= ~a10~0 1))) (.cse1 (not (= 7 ~a19~0))) (.cse0 (not (= ~a10~0 4)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 0 |old(~a10~0)|)) (and (< 218 ~a1~0) (= 1 ~a10~0)) (not (= 9 |old(~a19~0)|)) (and (<= ~a1~0 33) .cse0) (and .cse1 .cse2) (and (<= ~a1~0 38) (and .cse3 .cse0)) (not (= 14 ~a4~0)) (and .cse2 .cse3 .cse0) (and .cse1 (<= 1 ~a10~0) .cse0))) [2018-12-09 15:52:37,616 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-09 15:52:37,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:52:37 BoogieIcfgContainer [2018-12-09 15:52:37,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:52:37,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:52:37,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:52:37,623 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:52:37,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:51:36" (3/4) ... [2018-12-09 15:52:37,625 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:52:37,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:52:37,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 15:52:37,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:52:37,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 15:52:37,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 15:52:37,651 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || (218 < a1 && 1 == a10)) || !(9 == \old(a19))) || (a1 <= 33 && !(a10 == 4))) || (!(7 == a19) && !(a19 == 10))) || (a1 <= 38 && !(a10 == 1) && !(a10 == 4))) || !(14 == a4)) || ((!(a19 == 10) && !(a10 == 1)) && !(a10 == 4))) || ((!(7 == a19) && 1 <= a10) && !(a10 == 4)) [2018-12-09 15:52:37,689 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c940952b-ad18-4115-9c73-31174c03fe05/bin-2019/utaipan/witness.graphml [2018-12-09 15:52:37,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:52:37,690 INFO L168 Benchmark]: Toolchain (without parser) took 61882.45 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 947.0 MB in the beginning and 2.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. [2018-12-09 15:52:37,690 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:52:37,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:52:37,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:52:37,690 INFO L168 Benchmark]: Boogie Preprocessor took 36.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:52:37,691 INFO L168 Benchmark]: RCFGBuilder took 658.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.6 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:52:37,691 INFO L168 Benchmark]: TraceAbstraction took 60772.26 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 999.6 MB in the beginning and 2.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-09 15:52:37,691 INFO L168 Benchmark]: Witness Printer took 66.31 ms. Allocated memory is still 2.9 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-12-09 15:52:37,692 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 658.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 999.6 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 60772.26 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 999.6 MB in the beginning and 2.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 66.31 ms. Allocated memory is still 2.9 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 == \old(a1)) || !(0 == a12)) || !(0 == \old(a10))) || (218 < a1 && 1 == a10)) || !(9 == \old(a19))) || (a1 <= 33 && !(a10 == 4))) || (!(7 == a19) && !(a19 == 10))) || (a1 <= 38 && !(a10 == 1) && !(a10 == 4))) || !(14 == a4)) || ((!(a19 == 10) && !(a10 == 1)) && !(a10 == 4))) || ((!(7 == a19) && 1 <= a10) && !(a10 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 60.7s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 24.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 582 SDtfs, 5533 SDslu, 622 SDs, 0 SdLazy, 11772 SolverSat, 2421 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 3381 GetRequests, 3098 SyntacticMatches, 126 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3783 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3568occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9976345083487943 AbsIntWeakeningRatio, 0.1092436974789916 AbsIntAvgWeakeningVarsNumRemoved, 15.554621848739496 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 669 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 146 PreInvPairs, 228 NumberOfFragments, 408 HoareAnnotationTreeSize, 146 FomulaSimplifications, 8275 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9956 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 4092 NumberOfCodeBlocks, 4092 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 5539 ConstructedInterpolants, 196 QuantifiedInterpolants, 13479625 SizeOfPredicates, 15 NumberOfNonLiveVariables, 2315 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 4806/6231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...