./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/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 8d15e59fd1b84d7219285b33cc166f567d0bcf3e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:35:39,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:35:39,111 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:35:39,121 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:35:39,122 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:35:39,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:35:39,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:35:39,128 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:35:39,130 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:35:39,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:35:39,135 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:35:39,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:35:39,136 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:35:39,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:35:39,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:35:39,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:35:39,142 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:35:39,143 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:35:39,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:35:39,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:35:39,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:35:39,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:35:39,158 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:35:39,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:35:39,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:35:39,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:35:39,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:35:39,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:35:39,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:35:39,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:35:39,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:35:39,165 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:35:39,165 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:35:39,165 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:35:39,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:35:39,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:35:39,167 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:35:39,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:35:39,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:35:39,188 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:35:39,190 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:35:39,190 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:35:39,190 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:35:39,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:35:39,191 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:35:39,191 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:35:39,191 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:35:39,191 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:35:39,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:35:39,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:35:39,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:35:39,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:35:39,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:35:39,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:35:39,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:35:39,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:35:39,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:35:39,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:35:39,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:35:39,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:35:39,193 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:35:39,193 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:35:39,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:35:39,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:35:39,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:35:39,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:35:39,194 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:35:39,194 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:35:39,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:35:39,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:35:39,195 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:35:39,199 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_590d7aba-ca61-4e6d-b42e-79e137649e8b/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 -> 8d15e59fd1b84d7219285b33cc166f567d0bcf3e [2018-10-26 19:35:39,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:35:39,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:35:39,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:35:39,247 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:35:39,247 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:35:39,248 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c [2018-10-26 19:35:39,290 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/data/3a93b9d1c/bf10f3992232401e837d61954ed4487a/FLAGb21fa04de [2018-10-26 19:35:39,697 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:35:39,698 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c [2018-10-26 19:35:39,704 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/data/3a93b9d1c/bf10f3992232401e837d61954ed4487a/FLAGb21fa04de [2018-10-26 19:35:39,719 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/data/3a93b9d1c/bf10f3992232401e837d61954ed4487a [2018-10-26 19:35:39,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:35:39,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:35:39,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:35:39,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:35:39,728 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:35:39,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:39,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764f0e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39, skipping insertion in model container [2018-10-26 19:35:39,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:39,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:35:39,757 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:35:39,895 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:35:39,905 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:35:39,930 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:35:39,949 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:35:39,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39 WrapperNode [2018-10-26 19:35:39,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:35:39,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:35:39,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:35:39,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:35:39,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:39,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:39,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:35:39,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:35:39,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:35:39,996 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:35:40,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:40,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:40,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:40,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:40,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:40,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:40,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... [2018-10-26 19:35:40,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:35:40,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:35:40,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:35:40,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:35:40,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/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 [2018-10-26 19:35:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:35:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:35:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure check [2018-10-26 19:35:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2018-10-26 19:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:35:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:35:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:35:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:35:40,569 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:35:40,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:35:40 BoogieIcfgContainer [2018-10-26 19:35:40,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:35:40,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:35:40,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:35:40,573 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:35:40,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:35:39" (1/3) ... [2018-10-26 19:35:40,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58421785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:35:40, skipping insertion in model container [2018-10-26 19:35:40,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:35:39" (2/3) ... [2018-10-26 19:35:40,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58421785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:35:40, skipping insertion in model container [2018-10-26 19:35:40,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:35:40" (3/3) ... [2018-10-26 19:35:40,576 INFO L112 eAbstractionObserver]: Analyzing ICFG test27_false-unreach-call_true-termination.c [2018-10-26 19:35:40,584 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:35:40,591 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:35:40,603 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:35:40,629 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:35:40,629 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:35:40,629 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:35:40,629 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:35:40,629 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:35:40,629 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:35:40,630 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:35:40,630 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:35:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-10-26 19:35:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:35:40,649 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:40,649 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:40,651 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:40,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:40,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1727734969, now seen corresponding path program 1 times [2018-10-26 19:35:40,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:40,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:40,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:40,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:40,691 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:40,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:35:40,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:35:40,774 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:35:40,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:35:40,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:35:40,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:35:40,789 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2018-10-26 19:35:40,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:40,803 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2018-10-26 19:35:40,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:35:40,804 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-10-26 19:35:40,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:40,811 INFO L225 Difference]: With dead ends: 45 [2018-10-26 19:35:40,812 INFO L226 Difference]: Without dead ends: 22 [2018-10-26 19:35:40,814 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:35:40,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-10-26 19:35:40,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-10-26 19:35:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-10-26 19:35:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-10-26 19:35:40,844 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2018-10-26 19:35:40,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:40,844 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-10-26 19:35:40,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:35:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-26 19:35:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:35:40,845 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:40,845 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:40,845 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:40,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:40,846 INFO L82 PathProgramCache]: Analyzing trace with hash -996451614, now seen corresponding path program 1 times [2018-10-26 19:35:40,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:40,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:40,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:40,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:40,847 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:40,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:35:40,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:35:40,942 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:35:40,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:35:40,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:35:40,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:35:40,944 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 3 states. [2018-10-26 19:35:40,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:40,985 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2018-10-26 19:35:40,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:35:40,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-10-26 19:35:40,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:40,986 INFO L225 Difference]: With dead ends: 38 [2018-10-26 19:35:40,986 INFO L226 Difference]: Without dead ends: 25 [2018-10-26 19:35:40,987 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:35:40,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-26 19:35:40,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-10-26 19:35:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-10-26 19:35:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-10-26 19:35:40,991 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2018-10-26 19:35:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:40,992 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-10-26 19:35:40,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:35:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-26 19:35:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 19:35:40,992 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:40,992 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:40,993 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:40,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:40,993 INFO L82 PathProgramCache]: Analyzing trace with hash 912031803, now seen corresponding path program 1 times [2018-10-26 19:35:40,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:40,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:40,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:40,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:40,994 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:41,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:41,130 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:41,130 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-10-26 19:35:41,132 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [16], [22], [25], [29], [31], [34], [41], [44], [54], [57], [58], [59], [60], [61], [63], [64] [2018-10-26 19:35:41,173 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 19:35:41,173 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 19:35:42,431 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 19:35:42,432 INFO L272 AbstractInterpreter]: Visited 22 different actions 54 times. Merged at 3 different actions 24 times. Widened at 1 different actions 4 times. Found 1 fixpoints after 1 different actions. Largest state had 74 variables. [2018-10-26 19:35:42,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:42,478 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 19:35:42,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:42,479 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/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 [2018-10-26 19:35:42,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:42,491 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 19:35:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:42,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:42,627 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:42,940 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:42,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2018-10-26 19:35:42,940 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:42,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:35:42,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:35:42,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:35:42,943 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 5 states. [2018-10-26 19:35:42,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:42,993 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2018-10-26 19:35:42,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 19:35:42,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-10-26 19:35:42,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:42,995 INFO L225 Difference]: With dead ends: 41 [2018-10-26 19:35:42,995 INFO L226 Difference]: Without dead ends: 28 [2018-10-26 19:35:42,996 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:35:42,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-10-26 19:35:42,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-10-26 19:35:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-10-26 19:35:42,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-10-26 19:35:42,999 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 23 [2018-10-26 19:35:42,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:42,999 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-10-26 19:35:43,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:35:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-26 19:35:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:35:43,000 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:43,001 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:43,001 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:43,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:43,001 INFO L82 PathProgramCache]: Analyzing trace with hash -235556798, now seen corresponding path program 2 times [2018-10-26 19:35:43,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:43,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:43,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:43,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:43,002 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:43,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:43,146 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:43,146 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:43,146 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:43,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:43,147 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/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 [2018-10-26 19:35:43,154 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 19:35:43,154 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-26 19:35:43,242 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-26 19:35:43,242 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 19:35:43,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:43,279 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:43,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:43,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2018-10-26 19:35:43,363 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:43,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 19:35:43,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 19:35:43,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:35:43,364 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 6 states. [2018-10-26 19:35:43,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:43,465 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-10-26 19:35:43,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:35:43,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-10-26 19:35:43,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:43,468 INFO L225 Difference]: With dead ends: 44 [2018-10-26 19:35:43,468 INFO L226 Difference]: Without dead ends: 31 [2018-10-26 19:35:43,469 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-10-26 19:35:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-10-26 19:35:43,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2018-10-26 19:35:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-26 19:35:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-10-26 19:35:43,472 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 26 [2018-10-26 19:35:43,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:43,472 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-10-26 19:35:43,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 19:35:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-26 19:35:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 19:35:43,473 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:43,473 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:43,473 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:43,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:43,473 INFO L82 PathProgramCache]: Analyzing trace with hash -107893029, now seen corresponding path program 3 times [2018-10-26 19:35:43,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:43,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:43,474 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 19:35:43,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:43,474 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:43,594 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:43,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:43,594 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:43,594 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:43,594 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:43,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:43,594 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/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 [2018-10-26 19:35:43,601 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 19:35:43,601 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-26 19:35:43,679 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 19:35:43,679 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 19:35:43,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:43,799 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:44,427 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:44,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2018-10-26 19:35:44,428 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:44,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:35:44,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:35:44,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:35:44,429 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 7 states. [2018-10-26 19:35:44,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:44,509 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-10-26 19:35:44,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 19:35:44,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-10-26 19:35:44,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:44,511 INFO L225 Difference]: With dead ends: 47 [2018-10-26 19:35:44,511 INFO L226 Difference]: Without dead ends: 34 [2018-10-26 19:35:44,511 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:35:44,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-10-26 19:35:44,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-10-26 19:35:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-26 19:35:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-10-26 19:35:44,516 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 29 [2018-10-26 19:35:44,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:44,517 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-10-26 19:35:44,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:35:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-26 19:35:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 19:35:44,517 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:44,518 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:44,518 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:44,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:44,518 INFO L82 PathProgramCache]: Analyzing trace with hash 2077392290, now seen corresponding path program 4 times [2018-10-26 19:35:44,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:44,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:44,521 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 19:35:44,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:44,521 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:44,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:44,658 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:44,658 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:44,659 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:44,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:44,659 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-26 19:35:44,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:44,678 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:35:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:44,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:44,751 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:44,945 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:44,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2018-10-26 19:35:44,946 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:44,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 19:35:44,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 19:35:44,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:44,947 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 8 states. [2018-10-26 19:35:44,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:44,989 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2018-10-26 19:35:44,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 19:35:44,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-10-26 19:35:44,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:44,991 INFO L225 Difference]: With dead ends: 50 [2018-10-26 19:35:44,991 INFO L226 Difference]: Without dead ends: 37 [2018-10-26 19:35:44,991 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:44,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-26 19:35:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2018-10-26 19:35:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-10-26 19:35:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-10-26 19:35:44,995 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 32 [2018-10-26 19:35:44,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:44,995 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-10-26 19:35:44,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 19:35:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-10-26 19:35:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 19:35:44,996 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:44,996 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:44,996 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:44,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:44,997 INFO L82 PathProgramCache]: Analyzing trace with hash 798057851, now seen corresponding path program 5 times [2018-10-26 19:35:44,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:44,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:44,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:44,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:44,998 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:45,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:45,773 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:45,773 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:45,773 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:45,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:45,774 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:35:45,791 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 19:35:45,792 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-26 19:35:46,502 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-10-26 19:35:46,502 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 19:35:46,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:46,534 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:46,677 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:46,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2018-10-26 19:35:46,678 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:46,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 19:35:46,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 19:35:46,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:46,679 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 9 states. [2018-10-26 19:35:46,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:46,733 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-10-26 19:35:46,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 19:35:46,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-10-26 19:35:46,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:46,734 INFO L225 Difference]: With dead ends: 53 [2018-10-26 19:35:46,734 INFO L226 Difference]: Without dead ends: 40 [2018-10-26 19:35:46,735 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:46,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-26 19:35:46,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-10-26 19:35:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 19:35:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-10-26 19:35:46,738 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 35 [2018-10-26 19:35:46,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:46,739 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-10-26 19:35:46,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 19:35:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-26 19:35:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 19:35:46,739 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:46,740 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:46,740 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:46,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:46,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1685570306, now seen corresponding path program 6 times [2018-10-26 19:35:46,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:46,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:46,741 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 19:35:46,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:46,741 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:46,825 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:46,825 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:46,826 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:46,826 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:46,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:46,826 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:35:46,832 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 19:35:46,832 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-26 19:35:46,896 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 19:35:46,896 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 19:35:46,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:46,912 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:47,004 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:47,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2018-10-26 19:35:47,004 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:47,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 19:35:47,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 19:35:47,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:47,005 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 10 states. [2018-10-26 19:35:47,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:47,052 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-10-26 19:35:47,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 19:35:47,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2018-10-26 19:35:47,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:47,056 INFO L225 Difference]: With dead ends: 56 [2018-10-26 19:35:47,056 INFO L226 Difference]: Without dead ends: 43 [2018-10-26 19:35:47,056 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:47,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-26 19:35:47,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2018-10-26 19:35:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-26 19:35:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-10-26 19:35:47,062 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 38 [2018-10-26 19:35:47,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:47,063 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-10-26 19:35:47,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 19:35:47,063 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-10-26 19:35:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 19:35:47,064 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:47,065 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:47,065 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:47,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:47,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1750443035, now seen corresponding path program 7 times [2018-10-26 19:35:47,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:47,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:47,066 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 19:35:47,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:47,066 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:47,444 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:47,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:47,444 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:47,444 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:47,444 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:47,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:47,445 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:35:47,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:47,452 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 19:35:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:47,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:47,519 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:47,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:47,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 13 [2018-10-26 19:35:47,650 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:47,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 19:35:47,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 19:35:47,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:47,650 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 11 states. [2018-10-26 19:35:47,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:47,761 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-10-26 19:35:47,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 19:35:47,762 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2018-10-26 19:35:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:47,762 INFO L225 Difference]: With dead ends: 59 [2018-10-26 19:35:47,762 INFO L226 Difference]: Without dead ends: 46 [2018-10-26 19:35:47,763 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:47,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-26 19:35:47,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2018-10-26 19:35:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-10-26 19:35:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-10-26 19:35:47,767 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 41 [2018-10-26 19:35:47,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:47,767 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-10-26 19:35:47,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 19:35:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-26 19:35:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 19:35:47,768 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:47,768 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:47,768 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:47,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:47,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1638629474, now seen corresponding path program 8 times [2018-10-26 19:35:47,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:47,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:47,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:35:47,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:47,770 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:48,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:48,292 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:48,292 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:48,293 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:48,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:48,293 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:35:48,301 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 19:35:48,301 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-10-26 19:35:50,163 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2018-10-26 19:35:50,163 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 19:35:50,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:50,214 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:50,454 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:50,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2018-10-26 19:35:50,455 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:50,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 19:35:50,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 19:35:50,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:50,456 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 12 states. [2018-10-26 19:35:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:50,506 INFO L93 Difference]: Finished difference Result 62 states and 64 transitions. [2018-10-26 19:35:50,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 19:35:50,506 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 44 [2018-10-26 19:35:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:50,507 INFO L225 Difference]: With dead ends: 62 [2018-10-26 19:35:50,507 INFO L226 Difference]: Without dead ends: 49 [2018-10-26 19:35:50,507 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 79 SyntacticMatches, 8 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-10-26 19:35:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2018-10-26 19:35:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-26 19:35:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2018-10-26 19:35:50,510 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 44 [2018-10-26 19:35:50,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:50,510 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2018-10-26 19:35:50,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 19:35:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-10-26 19:35:50,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 19:35:50,513 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:50,513 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:50,513 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:50,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:50,514 INFO L82 PathProgramCache]: Analyzing trace with hash -799511877, now seen corresponding path program 9 times [2018-10-26 19:35:50,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:50,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:50,515 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 19:35:50,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:50,515 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:50,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:50,722 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 19:35:50,723 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 19:35:50,723 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 19:35:50,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 19:35:50,723 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 19:35:50,734 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 19:35:50,734 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-26 19:35:50,815 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 19:35:50,815 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 19:35:50,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:35:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:50,870 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 19:35:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:50,978 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 19:35:50,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 13 [2018-10-26 19:35:50,979 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 19:35:50,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-26 19:35:50,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-26 19:35:50,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:50,980 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 13 states. [2018-10-26 19:35:51,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:35:51,026 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-10-26 19:35:51,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 19:35:51,028 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2018-10-26 19:35:51,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:35:51,029 INFO L225 Difference]: With dead ends: 64 [2018-10-26 19:35:51,029 INFO L226 Difference]: Without dead ends: 51 [2018-10-26 19:35:51,029 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 84 SyntacticMatches, 10 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-10-26 19:35:51,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-10-26 19:35:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-10-26 19:35:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-10-26 19:35:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-10-26 19:35:51,033 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 47 [2018-10-26 19:35:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:35:51,033 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-10-26 19:35:51,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-26 19:35:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-26 19:35:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 19:35:51,034 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:35:51,034 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:35:51,034 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:35:51,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:35:51,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1018410434, now seen corresponding path program 10 times [2018-10-26 19:35:51,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:35:51,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:51,035 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 19:35:51,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:35:51,035 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:35:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:35:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:35:51,725 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:35:51,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,739 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,740 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,740 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,740 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,741 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,741 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,741 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,741 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,742 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,742 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,742 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,742 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,743 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,746 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,746 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,746 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,747 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,747 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,747 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,747 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,748 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,748 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,748 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,748 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,749 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,749 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,749 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,749 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,750 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,750 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,750 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,750 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,751 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,751 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,756 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,756 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,756 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,757 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,757 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,758 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,758 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,759 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,759 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,759 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,759 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,759 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,759 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,760 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,760 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,760 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,760 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,760 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,760 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,761 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,761 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,761 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,761 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,761 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,761 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,762 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,762 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,762 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,762 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,762 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,762 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,763 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,770 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,770 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,770 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,771 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,772 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,773 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,773 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:35:51 BoogieIcfgContainer [2018-10-26 19:35:51,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:35:51,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:35:51,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:35:51,795 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:35:51,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:35:40" (3/4) ... [2018-10-26 19:35:51,798 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 19:35:51,800 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,800 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,800 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,800 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,800 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,800 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,802 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,803 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,809 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,810 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,811 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,812 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,814 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,823 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,823 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,824 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,824 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,824 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,824 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,824 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,824 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,827 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,827 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,827 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:35:51,893 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_590d7aba-ca61-4e6d-b42e-79e137649e8b/bin-2019/utaipan/witness.graphml [2018-10-26 19:35:51,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:35:51,894 INFO L168 Benchmark]: Toolchain (without parser) took 12171.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.3 MB). Free memory was 955.8 MB in the beginning and 993.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 238.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:35:51,895 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:35:51,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.57 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:35:51,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:35:51,896 INFO L168 Benchmark]: Boogie Preprocessor took 52.87 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:35:51,896 INFO L168 Benchmark]: RCFGBuilder took 520.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:35:51,896 INFO L168 Benchmark]: TraceAbstraction took 11223.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.8 MB). Peak memory consumption was 238.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:35:51,897 INFO L168 Benchmark]: Witness Printer took 98.87 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 993.6 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:35:51,899 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.57 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.1 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.87 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 520.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11223.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.8 MB). Peak memory consumption was 238.4 MB. Max. memory is 11.5 GB. * Witness Printer took 98.87 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 993.6 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 51]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] CALL struct cont cont; [L22] RET struct cont cont; [L23] CALL struct dummy dummy; [L23] RET struct dummy dummy; [L24] CALL struct dummy *dummies[10]; [L24] RET struct dummy *dummies[10]; [L25] CALL int a[10]; [L25] RET int a[10]; [L26] int i, *pa; [L27] i = __VERIFIER_nondet_int() [L28] int j = 0; [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] CALL a[j] = __VERIFIER_nondet_int() [L29] RET a[j] = __VERIFIER_nondet_int() [L30] CALL dummies[j] = __VERIFIER_nondet_pointer() [L30] RET dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND FALSE !(j < 10) [L32] COND TRUE i >= 0 && i < 9 [L33] CALL a[i] = i [L33] RET a[i] = i [L34] CALL dummy.array = &a[i] [L34] RET dummy.array = &a[i] [L35] CALL dummies[i + 1] = &dummy [L35] RET dummies[i + 1] = &dummy [L36] CALL cont.array = &dummies[0] [L36] RET cont.array = &dummies[0] [L37] CALL, EXPR cont.array [L37] RET, EXPR cont.array [L37] CALL, EXPR cont.array[i] [L37] RET, EXPR cont.array[i] [L37] CALL, EXPR cont.array[i]->array [L37] RET, EXPR cont.array[i]->array [L37] pa = &cont.array[i]->array[i] [L38] CALL, EXPR a[i] [L38] RET, EXPR a[i] [L38] COND TRUE a[i] > 0 [L39] CALL, EXPR dummies[i + 1] [L39] RET, EXPR dummies[i + 1] [L39] CALL, EXPR dummies[i + 1]->array [L39] RET, EXPR dummies[i + 1]->array [L39] CALL, EXPR dummies[i + 1]->array[i] [L39] RET, EXPR dummies[i + 1]->array[i] [L39] i = dummies[i + 1]->array[i] - 10 [L40] CALL, EXPR \read(*pa) [L40] RET, EXPR \read(*pa) [L40] COND FALSE !(i < *pa) [L43] CALL, EXPR check(&cont, i) [L17] CALL, EXPR pc->array [L17] RET, EXPR pc->array [L17] CALL, EXPR pc->array[i] [L17] RET, EXPR pc->array[i] [L17] CALL, EXPR pc->array[i]->array [L17] RET, EXPR pc->array[i]->array [L17] CALL, EXPR pc->array[i]->array[i] [L17] RET, EXPR pc->array[i]->array[i] [L17] RET return pc->array[i]->array[i] == i; [L43] EXPR check(&cont, i) [L43] COND TRUE !check(&cont, i) [L51] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. UNSAFE Result, 11.1s OverallTime, 12 OverallIterations, 11 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 240 SDtfs, 55 SDslu, 654 SDs, 0 SdLazy, 172 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 698 GetRequests, 580 SyntacticMatches, 30 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 9 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 717 NumberOfCodeBlocks, 717 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 953 ConstructedInterpolants, 0 QuantifiedInterpolants, 67977 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3420 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 0/1350 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...