./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.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_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/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 e94bad701dc31ef8837df5dc0d8bbaaa41b948fd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:41:22,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:41:22,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:41:22,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:41:22,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:41:22,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:41:22,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:41:22,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:41:22,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:41:22,251 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:41:22,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:41:22,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:41:22,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:41:22,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:41:22,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:41:22,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:41:22,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:41:22,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:41:22,256 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:41:22,257 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:41:22,258 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:41:22,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:41:22,259 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:41:22,259 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:41:22,260 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:41:22,260 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:41:22,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:41:22,261 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:41:22,261 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:41:22,262 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:41:22,262 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:41:22,262 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:41:22,263 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:41:22,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:41:22,263 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:41:22,264 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:41:22,264 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:41:22,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:41:22,271 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:41:22,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:41:22,272 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:41:22,272 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:41:22,272 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:41:22,272 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:41:22,272 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:41:22,273 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:41:22,273 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:41:22,273 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:41:22,273 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:41:22,273 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:41:22,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:41:22,274 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:41:22,274 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:41:22,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:41:22,275 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:41:22,276 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_b95f1460-46a6-4033-8bab-074df3be3b06/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 -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2018-12-03 02:41:22,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:41:22,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:41:22,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:41:22,307 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:41:22,307 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:41:22,308 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-12-03 02:41:22,352 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/data/8a2fc14d5/69971b20d4e843b4bb8d4f69354c5f6a/FLAGafe2bd890 [2018-12-03 02:41:22,673 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:41:22,673 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-12-03 02:41:22,679 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/data/8a2fc14d5/69971b20d4e843b4bb8d4f69354c5f6a/FLAGafe2bd890 [2018-12-03 02:41:22,688 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/data/8a2fc14d5/69971b20d4e843b4bb8d4f69354c5f6a [2018-12-03 02:41:22,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:41:22,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:41:22,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:41:22,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:41:22,694 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:41:22,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:22" (1/1) ... [2018-12-03 02:41:22,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:22, skipping insertion in model container [2018-12-03 02:41:22,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:22" (1/1) ... [2018-12-03 02:41:22,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:41:22,722 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:41:22,889 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:41:22,893 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:41:22,995 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:41:23,005 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:41:23,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23 WrapperNode [2018-12-03 02:41:23,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:41:23,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:41:23,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:41:23,006 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:41:23,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:41:23,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:41:23,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:41:23,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:41:23,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... [2018-12-03 02:41:23,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:41:23,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:41:23,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:41:23,061 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:41:23,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/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 [2018-12-03 02:41:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:41:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:41:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 02:41:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 02:41:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:41:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:41:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:41:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:41:23,650 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:41:23,651 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 02:41:23,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:23 BoogieIcfgContainer [2018-12-03 02:41:23,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:41:23,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:41:23,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:41:23,654 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:41:23,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:41:22" (1/3) ... [2018-12-03 02:41:23,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:41:23, skipping insertion in model container [2018-12-03 02:41:23,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:23" (2/3) ... [2018-12-03 02:41:23,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:41:23, skipping insertion in model container [2018-12-03 02:41:23,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:23" (3/3) ... [2018-12-03 02:41:23,657 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label19_true-unreach-call_false-termination.c [2018-12-03 02:41:23,665 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:41:23,671 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:41:23,684 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:41:23,710 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:41:23,711 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:41:23,711 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:41:23,711 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:41:23,711 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:41:23,711 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:41:23,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:41:23,711 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:41:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-03 02:41:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 02:41:23,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:23,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:23,740 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:23,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:23,745 INFO L82 PathProgramCache]: Analyzing trace with hash 797442718, now seen corresponding path program 1 times [2018-12-03 02:41:23,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:23,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:23,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:23,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:23,779 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:24,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:41:24,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 02:41:24,045 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:41:24,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 02:41:24,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 02:41:24,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 02:41:24,058 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2018-12-03 02:41:24,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:24,725 INFO L93 Difference]: Finished difference Result 791 states and 1379 transitions. [2018-12-03 02:41:24,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 02:41:24,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-03 02:41:24,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:24,735 INFO L225 Difference]: With dead ends: 791 [2018-12-03 02:41:24,735 INFO L226 Difference]: Without dead ends: 474 [2018-12-03 02:41:24,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 02:41:24,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2018-12-03 02:41:24,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 320. [2018-12-03 02:41:24,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-03 02:41:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 472 transitions. [2018-12-03 02:41:24,786 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 472 transitions. Word has length 98 [2018-12-03 02:41:24,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:24,786 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 472 transitions. [2018-12-03 02:41:24,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 02:41:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 472 transitions. [2018-12-03 02:41:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-03 02:41:24,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:24,789 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:24,789 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:24,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:24,789 INFO L82 PathProgramCache]: Analyzing trace with hash -553213703, now seen corresponding path program 1 times [2018-12-03 02:41:24,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:24,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:24,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:24,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:24,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 02:41:24,874 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:24,874 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:24,874 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-12-03 02:41:24,876 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:24,901 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:24,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:25,127 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:41:25,128 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Performed 1157 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-03 02:41:25,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:25,142 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:41:25,298 INFO L227 lantSequenceWeakener]: Weakened 100 states. On average, predicates are now at 80.51% of their original sizes. [2018-12-03 02:41:25,298 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:41:25,326 INFO L418 sIntCurrentIteration]: We unified 105 AI predicates to 105 [2018-12-03 02:41:25,326 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:41:25,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:41:25,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-12-03 02:41:25,327 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:41:25,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:41:25,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:41:25,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:41:25,328 INFO L87 Difference]: Start difference. First operand 320 states and 472 transitions. Second operand 6 states. [2018-12-03 02:41:27,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:27,004 INFO L93 Difference]: Finished difference Result 782 states and 1156 transitions. [2018-12-03 02:41:27,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:41:27,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-12-03 02:41:27,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:27,007 INFO L225 Difference]: With dead ends: 782 [2018-12-03 02:41:27,007 INFO L226 Difference]: Without dead ends: 468 [2018-12-03 02:41:27,008 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:41:27,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-12-03 02:41:27,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 466. [2018-12-03 02:41:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2018-12-03 02:41:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 626 transitions. [2018-12-03 02:41:27,025 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 626 transitions. Word has length 106 [2018-12-03 02:41:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:27,026 INFO L480 AbstractCegarLoop]: Abstraction has 466 states and 626 transitions. [2018-12-03 02:41:27,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:41:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 626 transitions. [2018-12-03 02:41:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-03 02:41:27,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:27,027 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:27,028 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:27,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:27,028 INFO L82 PathProgramCache]: Analyzing trace with hash -709344313, now seen corresponding path program 1 times [2018-12-03 02:41:27,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:27,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:27,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:27,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:27,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:27,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:27,152 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:27,152 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 112 with the following transitions: [2018-12-03 02:41:27,152 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:27,154 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:27,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:27,275 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:41:27,275 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 4 different actions 4 times. Never widened. Performed 2332 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-03 02:41:27,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:27,278 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:41:27,405 INFO L227 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 82.17% of their original sizes. [2018-12-03 02:41:27,406 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:41:27,450 INFO L418 sIntCurrentIteration]: We unified 110 AI predicates to 110 [2018-12-03 02:41:27,450 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:41:27,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:41:27,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-03 02:41:27,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:41:27,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:41:27,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:41:27,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:41:27,451 INFO L87 Difference]: Start difference. First operand 466 states and 626 transitions. Second operand 10 states. [2018-12-03 02:41:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:30,054 INFO L93 Difference]: Finished difference Result 1371 states and 1933 transitions. [2018-12-03 02:41:30,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 02:41:30,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2018-12-03 02:41:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:30,057 INFO L225 Difference]: With dead ends: 1371 [2018-12-03 02:41:30,057 INFO L226 Difference]: Without dead ends: 911 [2018-12-03 02:41:30,058 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 02:41:30,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2018-12-03 02:41:30,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 906. [2018-12-03 02:41:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-12-03 02:41:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1150 transitions. [2018-12-03 02:41:30,073 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1150 transitions. Word has length 111 [2018-12-03 02:41:30,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:30,074 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1150 transitions. [2018-12-03 02:41:30,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:41:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1150 transitions. [2018-12-03 02:41:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-03 02:41:30,075 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:30,075 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:30,075 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:30,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:30,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1854908586, now seen corresponding path program 1 times [2018-12-03 02:41:30,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:30,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:30,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:30,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:30,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:30,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:30,134 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:30,134 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-12-03 02:41:30,134 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:30,136 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:30,136 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:30,301 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:41:30,301 INFO L272 AbstractInterpreter]: Visited 102 different actions 299 times. Merged at 6 different actions 13 times. Never widened. Performed 3567 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3567 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 02:41:30,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:30,303 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:41:30,394 INFO L227 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 84.03% of their original sizes. [2018-12-03 02:41:30,394 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:41:30,438 INFO L418 sIntCurrentIteration]: We unified 114 AI predicates to 114 [2018-12-03 02:41:30,438 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:41:30,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:41:30,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-03 02:41:30,438 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:41:30,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:41:30,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:41:30,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:41:30,439 INFO L87 Difference]: Start difference. First operand 906 states and 1150 transitions. Second operand 9 states. [2018-12-03 02:41:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:32,064 INFO L93 Difference]: Finished difference Result 2129 states and 2790 transitions. [2018-12-03 02:41:32,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 02:41:32,064 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2018-12-03 02:41:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:32,067 INFO L225 Difference]: With dead ends: 2129 [2018-12-03 02:41:32,067 INFO L226 Difference]: Without dead ends: 1229 [2018-12-03 02:41:32,068 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-03 02:41:32,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2018-12-03 02:41:32,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1207. [2018-12-03 02:41:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2018-12-03 02:41:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1527 transitions. [2018-12-03 02:41:32,085 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1527 transitions. Word has length 115 [2018-12-03 02:41:32,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:32,086 INFO L480 AbstractCegarLoop]: Abstraction has 1207 states and 1527 transitions. [2018-12-03 02:41:32,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:41:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1527 transitions. [2018-12-03 02:41:32,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-03 02:41:32,088 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:32,088 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:32,088 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:32,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:32,088 INFO L82 PathProgramCache]: Analyzing trace with hash 411969091, now seen corresponding path program 1 times [2018-12-03 02:41:32,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:32,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:32,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:32,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:32,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:32,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:32,156 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:32,156 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-12-03 02:41:32,156 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:32,157 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:32,158 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:32,270 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:41:32,270 INFO L272 AbstractInterpreter]: Visited 103 different actions 302 times. Merged at 6 different actions 15 times. Never widened. Performed 3652 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 02:41:32,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:32,273 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:41:32,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:32,273 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/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 [2018-12-03 02:41:32,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:32,279 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:41:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:32,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:32,363 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:41:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:32,449 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:41:32,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 02:41:32,449 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:41:32,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:41:32,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:41:32,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:41:32,450 INFO L87 Difference]: Start difference. First operand 1207 states and 1527 transitions. Second operand 9 states. [2018-12-03 02:41:33,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:33,061 INFO L93 Difference]: Finished difference Result 3052 states and 4001 transitions. [2018-12-03 02:41:33,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:41:33,061 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2018-12-03 02:41:33,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:33,069 INFO L225 Difference]: With dead ends: 3052 [2018-12-03 02:41:33,069 INFO L226 Difference]: Without dead ends: 1851 [2018-12-03 02:41:33,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-03 02:41:33,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2018-12-03 02:41:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1821. [2018-12-03 02:41:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1821 states. [2018-12-03 02:41:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2337 transitions. [2018-12-03 02:41:33,117 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2337 transitions. Word has length 142 [2018-12-03 02:41:33,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:33,117 INFO L480 AbstractCegarLoop]: Abstraction has 1821 states and 2337 transitions. [2018-12-03 02:41:33,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:41:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2337 transitions. [2018-12-03 02:41:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-03 02:41:33,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:33,120 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:33,120 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:33,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:33,120 INFO L82 PathProgramCache]: Analyzing trace with hash 816836470, now seen corresponding path program 1 times [2018-12-03 02:41:33,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:33,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:33,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:33,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:33,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 02:41:33,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:33,205 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:33,205 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-03 02:41:33,206 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:33,207 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:33,207 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:33,362 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:41:33,362 INFO L272 AbstractInterpreter]: Visited 104 different actions 306 times. Merged at 7 different actions 16 times. Never widened. Performed 3796 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3796 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 02:41:33,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:33,364 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:41:33,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:33,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/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 [2018-12-03 02:41:33,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:33,371 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:41:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:33,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 02:41:33,448 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:41:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 02:41:33,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:41:33,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-12-03 02:41:33,522 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:41:33,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 02:41:33,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 02:41:33,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-03 02:41:33,523 INFO L87 Difference]: Start difference. First operand 1821 states and 2337 transitions. Second operand 11 states. [2018-12-03 02:41:36,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:36,827 INFO L93 Difference]: Finished difference Result 6115 states and 8312 transitions. [2018-12-03 02:41:36,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-03 02:41:36,828 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 143 [2018-12-03 02:41:36,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:36,836 INFO L225 Difference]: With dead ends: 6115 [2018-12-03 02:41:36,836 INFO L226 Difference]: Without dead ends: 3560 [2018-12-03 02:41:36,839 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 297 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=260, Invalid=862, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 02:41:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3560 states. [2018-12-03 02:41:36,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3560 to 2688. [2018-12-03 02:41:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2688 states. [2018-12-03 02:41:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3203 transitions. [2018-12-03 02:41:36,875 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3203 transitions. Word has length 143 [2018-12-03 02:41:36,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:36,875 INFO L480 AbstractCegarLoop]: Abstraction has 2688 states and 3203 transitions. [2018-12-03 02:41:36,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 02:41:36,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3203 transitions. [2018-12-03 02:41:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-03 02:41:36,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:36,878 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:36,878 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:36,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:36,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1586788567, now seen corresponding path program 1 times [2018-12-03 02:41:36,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:36,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:36,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:36,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:36,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 02:41:36,945 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:36,945 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:36,945 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2018-12-03 02:41:36,945 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:36,947 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:36,947 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:37,164 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:41:37,164 INFO L272 AbstractInterpreter]: Visited 105 different actions 526 times. Merged at 8 different actions 45 times. Widened at 1 different actions 1 times. Performed 6331 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 14 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 02:41:37,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:37,166 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:41:37,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:37,166 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/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 [2018-12-03 02:41:37,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:37,172 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:41:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:37,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-03 02:41:37,242 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:41:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-03 02:41:37,305 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:41:37,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-03 02:41:37,305 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:41:37,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 02:41:37,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 02:41:37,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-03 02:41:37,306 INFO L87 Difference]: Start difference. First operand 2688 states and 3203 transitions. Second operand 12 states. [2018-12-03 02:41:38,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:38,782 INFO L93 Difference]: Finished difference Result 6776 states and 8193 transitions. [2018-12-03 02:41:38,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 02:41:38,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 163 [2018-12-03 02:41:38,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:38,789 INFO L225 Difference]: With dead ends: 6776 [2018-12-03 02:41:38,789 INFO L226 Difference]: Without dead ends: 4094 [2018-12-03 02:41:38,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 349 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=563, Invalid=1789, Unknown=0, NotChecked=0, Total=2352 [2018-12-03 02:41:38,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2018-12-03 02:41:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3484. [2018-12-03 02:41:38,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3484 states. [2018-12-03 02:41:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 3973 transitions. [2018-12-03 02:41:38,833 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 3973 transitions. Word has length 163 [2018-12-03 02:41:38,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:38,834 INFO L480 AbstractCegarLoop]: Abstraction has 3484 states and 3973 transitions. [2018-12-03 02:41:38,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 02:41:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 3973 transitions. [2018-12-03 02:41:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-03 02:41:38,837 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:38,838 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-03 02:41:38,838 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:38,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:38,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1320998409, now seen corresponding path program 1 times [2018-12-03 02:41:38,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:38,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:38,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:38,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:38,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 02:41:38,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:38,976 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:38,976 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-12-03 02:41:38,976 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:38,977 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:38,977 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:39,090 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:41:39,091 INFO L272 AbstractInterpreter]: Visited 105 different actions 307 times. Merged at 7 different actions 16 times. Never widened. Performed 3646 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3646 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 02:41:39,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:39,092 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:41:39,218 INFO L227 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 84.27% of their original sizes. [2018-12-03 02:41:39,219 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:41:39,260 INFO L418 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-12-03 02:41:39,260 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:41:39,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:41:39,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-12-03 02:41:39,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:41:39,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 02:41:39,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 02:41:39,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:41:39,261 INFO L87 Difference]: Start difference. First operand 3484 states and 3973 transitions. Second operand 11 states. [2018-12-03 02:41:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:43,437 INFO L93 Difference]: Finished difference Result 8773 states and 10139 transitions. [2018-12-03 02:41:43,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-03 02:41:43,437 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2018-12-03 02:41:43,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:43,450 INFO L225 Difference]: With dead ends: 8773 [2018-12-03 02:41:43,450 INFO L226 Difference]: Without dead ends: 5439 [2018-12-03 02:41:43,455 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2018-12-03 02:41:43,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2018-12-03 02:41:43,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 5277. [2018-12-03 02:41:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5277 states. [2018-12-03 02:41:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 5944 transitions. [2018-12-03 02:41:43,516 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 5944 transitions. Word has length 211 [2018-12-03 02:41:43,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:43,516 INFO L480 AbstractCegarLoop]: Abstraction has 5277 states and 5944 transitions. [2018-12-03 02:41:43,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 02:41:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 5944 transitions. [2018-12-03 02:41:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-03 02:41:43,521 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:43,522 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:41:43,522 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:43,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:43,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1924915159, now seen corresponding path program 1 times [2018-12-03 02:41:43,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:43,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:43,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:43,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:43,523 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:43,609 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 187 proven. 52 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-03 02:41:43,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:43,609 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:41:43,609 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-12-03 02:41:43,609 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [41], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:41:43,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:41:43,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:41:43,822 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:41:43,822 INFO L272 AbstractInterpreter]: Visited 105 different actions 516 times. Merged at 8 different actions 35 times. Never widened. Performed 6584 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6584 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 02:41:43,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:43,825 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:41:43,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:41:43,826 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/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 [2018-12-03 02:41:43,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:43,831 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:41:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:43,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-03 02:41:43,914 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:41:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-03 02:41:43,973 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:41:43,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-03 02:41:43,973 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:41:43,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 02:41:43,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 02:41:43,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-12-03 02:41:43,974 INFO L87 Difference]: Start difference. First operand 5277 states and 5944 transitions. Second operand 12 states. [2018-12-03 02:41:45,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:45,979 INFO L93 Difference]: Finished difference Result 8897 states and 10030 transitions. [2018-12-03 02:41:45,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 02:41:45,979 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 234 [2018-12-03 02:41:45,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:45,980 INFO L225 Difference]: With dead ends: 8897 [2018-12-03 02:41:45,980 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:41:45,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=450, Invalid=1806, Unknown=0, NotChecked=0, Total=2256 [2018-12-03 02:41:45,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:41:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:41:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:41:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:41:45,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2018-12-03 02:41:45,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:45,988 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:41:45,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 02:41:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:41:45,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:41:45,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:41:46,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:41:46,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:41:47,092 WARN L180 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 89 [2018-12-03 02:41:47,463 WARN L180 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 75 [2018-12-03 02:41:47,978 WARN L180 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 75 [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:41:47,980 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,980 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-03 02:41:47,981 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-03 02:41:47,982 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-03 02:41:47,983 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,984 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,985 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-03 02:41:47,986 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse1 (= |old(~a19~0)| ~a19~0)) (.cse15 (= ~a11~0 1)) (.cse26 (= 1 |old(~a25~0)|)) (.cse2 (= ~a11~0 0)) (.cse3 (= ~a17~0 8)) (.cse13 (= ~a19~0 1)) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|))) (let ((.cse6 (= 0 |old(~a28~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse14 (and .cse2 .cse3 .cse13 .cse4 .cse5)) (.cse10 (= |calculate_output_#in~input| 0)) (.cse12 (not (= 1 |old(~a19~0)|))) (.cse18 (< |old(~a28~0)| 9)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse19 (not (= |old(~a19~0)| 1))) (.cse11 (not .cse26)) (.cse21 (and (= |old(~a17~0)| ~a17~0) .cse1 .cse4 .cse15 .cse5)) (.cse9 (< 0 |old(~a19~0)|)) (.cse25 (< 8 |old(~a17~0)|)) (.cse16 (not (= 1 |old(~a11~0)|))) (.cse17 (< 10 |old(~a28~0)|)) (.cse24 (and .cse26 (= |old(~a19~0)| |old(~a25~0)|))) (.cse20 (< 7 |old(~a17~0)|)) (.cse22 (<= ~a17~0 |old(~a17~0)|)) (.cse23 (= |old(~a28~0)| ~a28~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse11 .cse7 (or .cse0 .cse12 .cse6) .cse8 .cse10 (and (= ~a11~0 |old(~a11~0)|) (and (= |old(~a25~0)| ~a25~0) .cse3 .cse13 .cse4))) (or .cse14 (or .cse0 (not (= 7 |old(~a28~0)|)) .cse12 .cse7 .cse10) .cse8 (not (= 0 |old(~a25~0)|))) (or .cse0 (and .cse3 .cse13 .cse4 .cse15 .cse5) .cse10 .cse16 .cse17 .cse12 .cse18 .cse8) (or .cse11 (or .cse19 .cse20) .cse16 .cse21) (or .cse0 .cse7 .cse14 .cse10 .cse17 .cse12 .cse18 .cse8) (or .cse19 (and .cse22 .cse23 .cse1 (not (= ~a19~0 ~a25~0))) .cse24 .cse20) (or .cse17 .cse11 .cse21 .cse25 .cse16 (< |old(~a19~0)| 1)) (or .cse21 (= 8 |old(~a28~0)|) .cse9 .cse25 .cse16 .cse26) (or .cse17 .cse24 .cse20 (and .cse22 .cse23 .cse1))))) [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-03 02:41:47,987 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,988 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-03 02:41:47,989 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-03 02:41:47,990 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:41:47,991 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-03 02:41:47,992 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:41:47,992 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:41:47,992 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-03 02:41:47,992 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (and (<= ~a17~0 |old(~a17~0)|) (<= ~a19~0 0))) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse0 (= 1 ~a25~0)) (.cse1 (= ~a11~0 1)) (.cse13 (= |old(~a19~0)| ~a19~0)) (.cse3 (<= ~a17~0 7)) (.cse4 (<= ~a28~0 10)) (.cse7 (<= 9 ~a28~0)) (.cse5 (or (not (= ~a19~0 ~a25~0)) (not (= 1 ~a19~0)))) (.cse8 (<= ~a17~0 8)) (.cse9 (not (= main_~input~0 0))) (.cse11 (not (= ~a28~0 0))) (.cse12 (= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse14 (= ~a11~0 0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not .cse0) (= |old(~a17~0)| ~a17~0) (not (= ~a28~0 8)) .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse3 .cse4 .cse5) (and .cse4 .cse6 .cse7 .cse8 .cse1) (and .cse9 .cse10 .cse11 .cse12 .cse2) (and (and .cse6 (= ~a28~0 |old(~a28~0)|) .cse8) .cse10 (= ~a25~0 |old(~a25~0)|)) (and .cse13 .cse3 .cse5) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse4 .cse8 .cse1 (<= 1 ~a19~0)) (and .cse1 (and .cse13 .cse3)) (not (= 1 |old(~a19~0)|)) (and .cse9 .cse4 .cse14 .cse6 .cse7 .cse5 .cse8) (and .cse9 (= ~a25~0 1) (and .cse11 .cse12 .cse6) .cse14) (not (= 8 |old(~a17~0)|)))) [2018-12-03 02:41:47,992 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-03 02:41:47,992 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-03 02:41:47,992 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (and (<= ~a17~0 |old(~a17~0)|) (<= ~a19~0 0))) (.cse10 (or (not (= ~a19~0 ~a25~0)) (not (= 1 ~a19~0)))) (.cse0 (= 1 ~a25~0)) (.cse12 (= |old(~a19~0)| ~a19~0)) (.cse9 (<= ~a17~0 7)) (.cse4 (<= ~a28~0 10)) (.cse7 (<= 9 ~a28~0)) (.cse1 (= ~a11~0 1)) (.cse13 (<= ~a17~0 8)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse3 (not (= main_~input~0 0))) (.cse11 (not (= ~a28~0 0))) (.cse5 (= ~a17~0 8)) (.cse6 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not .cse0) (= |old(~a17~0)| ~a17~0) (not (= ~a28~0 8)) .cse1 .cse2) (and (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse8) (not (= 0 |old(~a11~0)|)) (and .cse9 .cse4 .cse10) (and .cse3 .cse8 .cse11 .cse5 .cse2) (and .cse12 .cse9 .cse10) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse4 .cse13 .cse1 (<= 1 ~a19~0)) (and .cse1 (and .cse12 .cse9)) (and .cse3 .cse4 .cse6 .cse7 .cse13 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse3 (= ~a11~0 0) .cse6 (= ~a28~0 |old(~a28~0)|) .cse13 (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse8 (= ~a25~0 1) (and .cse3 .cse11 .cse5 .cse6)))) [2018-12-03 02:41:47,993 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-03 02:41:47,993 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-03 02:41:48,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:41:48 BoogieIcfgContainer [2018-12-03 02:41:48,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:41:48,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:41:48,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:41:48,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:41:48,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:23" (3/4) ... [2018-12-03 02:41:48,007 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:41:48,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:41:48,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 02:41:48,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:41:48,020 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 02:41:48,020 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 02:41:48,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((!(1 == a25) && \old(a17) == a17) && !(a28 == 8)) && a11 == 1) && a17 <= \old(a17) && a19 <= 0)) || !(0 == \old(a11))) || ((a17 <= 7 && a28 <= 10) && (!(a19 == a25) || !(1 == a19)))) || ((((a28 <= 10 && a19 == 1) && 9 <= a28) && a17 <= 8) && a11 == 1)) || ((((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8) && a17 <= \old(a17) && a19 <= 0)) || ((((a19 == 1 && a28 == \old(a28)) && a17 <= 8) && a11 == \old(a11)) && a25 == \old(a25))) || ((\old(a19) == a19 && a17 <= 7) && (!(a19 == a25) || !(1 == a19)))) || !(0 == \old(a25))) || ((((1 == a25 && a28 <= 10) && a17 <= 8) && a11 == 1) && 1 <= a19)) || (a11 == 1 && \old(a19) == a19 && a17 <= 7)) || !(1 == \old(a19))) || ((((((!(input == 0) && a28 <= 10) && a11 == 0) && a19 == 1) && 9 <= a28) && (!(a19 == a25) || !(1 == a19))) && a17 <= 8)) || (((!(input == 0) && a25 == 1) && (!(a28 == 0) && a17 == 8) && a19 == 1) && a11 == 0)) || !(8 == \old(a17)) [2018-12-03 02:41:48,098 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b95f1460-46a6-4033-8bab-074df3be3b06/bin-2019/utaipan/witness.graphml [2018-12-03 02:41:48,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:41:48,099 INFO L168 Benchmark]: Toolchain (without parser) took 25408.20 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 950.6 MB in the beginning and 1.8 GB in the end (delta: -862.1 MB). Peak memory consumption was 186.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:48,099 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:41:48,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:48,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:41:48,100 INFO L168 Benchmark]: Boogie Preprocessor took 36.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:48,100 INFO L168 Benchmark]: RCFGBuilder took 590.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.2 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:48,100 INFO L168 Benchmark]: TraceAbstraction took 24351.18 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 944.8 MB). Free memory was 976.2 MB in the beginning and 1.8 GB in the end (delta: -860.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-03 02:41:48,100 INFO L168 Benchmark]: Witness Printer took 94.88 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:48,102 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 590.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.2 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24351.18 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 944.8 MB). Free memory was 976.2 MB in the beginning and 1.8 GB in the end (delta: -860.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 94.88 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((!(1 == a25) && \old(a17) == a17) && !(a28 == 8)) && a11 == 1) && a17 <= \old(a17) && a19 <= 0)) || !(0 == \old(a11))) || ((a17 <= 7 && a28 <= 10) && (!(a19 == a25) || !(1 == a19)))) || ((((a28 <= 10 && a19 == 1) && 9 <= a28) && a17 <= 8) && a11 == 1)) || ((((!(input == 0) && a11 == \old(a11)) && !(a28 == 0)) && a17 == 8) && a17 <= \old(a17) && a19 <= 0)) || ((((a19 == 1 && a28 == \old(a28)) && a17 <= 8) && a11 == \old(a11)) && a25 == \old(a25))) || ((\old(a19) == a19 && a17 <= 7) && (!(a19 == a25) || !(1 == a19)))) || !(0 == \old(a25))) || ((((1 == a25 && a28 <= 10) && a17 <= 8) && a11 == 1) && 1 <= a19)) || (a11 == 1 && \old(a19) == a19 && a17 <= 7)) || !(1 == \old(a19))) || ((((((!(input == 0) && a28 <= 10) && a11 == 0) && a19 == 1) && 9 <= a28) && (!(a19 == a25) || !(1 == a19))) && a17 <= 8)) || (((!(input == 0) && a25 == 1) && (!(a28 == 0) && a17 == 8) && a19 == 1) && a11 == 0)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 24.2s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 18.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 702 SDtfs, 10684 SDslu, 1305 SDs, 0 SdLazy, 17077 SolverSat, 2885 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2146 GetRequests, 1937 SyntacticMatches, 8 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5277occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9968942843532277 AbsIntWeakeningRatio, 0.23562152133580705 AbsIntAvgWeakeningVarsNumRemoved, 25.85899814471243 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1857 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 149 PreInvPairs, 229 NumberOfFragments, 880 HoareAnnotationTreeSize, 149 FomulaSimplifications, 7835 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9207 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2005 NumberOfCodeBlocks, 2005 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2670 ConstructedInterpolants, 0 QuantifiedInterpolants, 1042525 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1930 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 1379/1669 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...