./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i --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_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/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 af68da58954d6230e3860792840330ae6de845ab ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-11-10 03:07:50,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:07:50,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:07:50,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:07:50,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:07:50,153 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:07:50,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:07:50,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:07:50,156 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:07:50,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:07:50,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:07:50,158 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:07:50,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:07:50,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:07:50,160 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:07:50,160 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:07:50,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:07:50,162 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:07:50,163 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:07:50,164 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:07:50,165 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:07:50,166 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:07:50,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:07:50,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:07:50,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:07:50,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:07:50,169 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:07:50,169 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:07:50,170 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:07:50,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:07:50,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:07:50,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:07:50,171 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:07:50,171 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:07:50,172 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:07:50,172 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:07:50,173 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:07:50,182 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:07:50,182 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:07:50,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:07:50,182 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:07:50,183 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:07:50,183 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:07:50,183 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:07:50,183 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:07:50,183 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:07:50,183 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:07:50,183 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:07:50,184 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:07:50,184 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:07:50,184 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:07:50,184 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:07:50,184 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:07:50,185 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:07:50,185 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:07:50,185 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:07:50,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:07:50,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:07:50,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:07:50,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:07:50,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:07:50,186 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:07:50,186 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:07:50,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:07:50,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:07:50,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:07:50,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:07:50,186 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:07:50,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:07:50,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:07:50,187 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:07:50,187 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_4b3c8279-72f9-4ab3-895f-8362307748c2/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 -> af68da58954d6230e3860792840330ae6de845ab [2018-11-10 03:07:50,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:07:50,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:07:50,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:07:50,222 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:07:50,222 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:07:50,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/../../sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i [2018-11-10 03:07:50,273 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/data/50bc084c0/85535dd31fc945688950a91cd0c02774/FLAG886834a6e [2018-11-10 03:07:50,602 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:07:50,602 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i [2018-11-10 03:07:50,606 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/data/50bc084c0/85535dd31fc945688950a91cd0c02774/FLAG886834a6e [2018-11-10 03:07:50,616 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/data/50bc084c0/85535dd31fc945688950a91cd0c02774 [2018-11-10 03:07:50,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:07:50,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:07:50,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:07:50,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:07:50,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:07:50,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d1fd08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50, skipping insertion in model container [2018-11-10 03:07:50,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:07:50,645 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:07:50,750 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:07:50,756 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:07:50,771 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:07:50,780 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:07:50,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50 WrapperNode [2018-11-10 03:07:50,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:07:50,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:07:50,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:07:50,781 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:07:50,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:07:50,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:07:50,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:07:50,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:07:50,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... [2018-11-10 03:07:50,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:07:50,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:07:50,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:07:50,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:07:50,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:07:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:07:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:07:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:07:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:07:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:07:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:07:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2018-11-10 03:07:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2018-11-10 03:07:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2018-11-10 03:07:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2018-11-10 03:07:51,139 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:07:51,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:07:51 BoogieIcfgContainer [2018-11-10 03:07:51,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:07:51,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:07:51,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:07:51,144 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:07:51,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:07:50" (1/3) ... [2018-11-10 03:07:51,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a516dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:07:51, skipping insertion in model container [2018-11-10 03:07:51,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:07:50" (2/3) ... [2018-11-10 03:07:51,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a516dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:07:51, skipping insertion in model container [2018-11-10 03:07:51,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:07:51" (3/3) ... [2018-11-10 03:07:51,147 INFO L112 eAbstractionObserver]: Analyzing ICFG rangesum10_false-unreach-call_true-termination.i [2018-11-10 03:07:51,155 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:07:51,162 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:07:51,175 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:07:51,198 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:07:51,198 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:07:51,198 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:07:51,198 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:07:51,198 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:07:51,199 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:07:51,199 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:07:51,199 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:07:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-11-10 03:07:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 03:07:51,213 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:51,214 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:51,215 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:51,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:51,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1049289672, now seen corresponding path program 1 times [2018-11-10 03:07:51,222 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:51,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:51,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:51,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:51,254 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:51,311 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-11-10 03:07:51,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:51,311 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 03:07:51,312 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-11-10 03:07:51,314 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [24], [26], [28], [31], [32], [39], [57], [61], [63], [64], [77], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-11-10 03:07:51,349 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:07:51,349 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:07:51,458 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:07:51,459 INFO L272 AbstractInterpreter]: Visited 9 different actions 9 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-11-10 03:07:51,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:51,464 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:07:51,540 INFO L227 lantSequenceWeakener]: Weakened 8 states. On average, predicates are now at 93.06% of their original sizes. [2018-11-10 03:07:51,541 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:07:51,563 INFO L415 sIntCurrentIteration]: We unified 36 AI predicates to 36 [2018-11-10 03:07:51,563 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:07:51,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:07:51,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 03:07:51,564 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:07:51,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 03:07:51,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 03:07:51,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 03:07:51,571 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-11-10 03:07:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:51,729 INFO L93 Difference]: Finished difference Result 69 states and 90 transitions. [2018-11-10 03:07:51,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 03:07:51,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-11-10 03:07:51,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:51,738 INFO L225 Difference]: With dead ends: 69 [2018-11-10 03:07:51,738 INFO L226 Difference]: Without dead ends: 35 [2018-11-10 03:07:51,741 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 03:07:51,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-10 03:07:51,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-10 03:07:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-10 03:07:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2018-11-10 03:07:51,770 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 37 [2018-11-10 03:07:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:51,770 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2018-11-10 03:07:51,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 03:07:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2018-11-10 03:07:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 03:07:51,772 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:51,772 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:51,772 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:51,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:51,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1338067039, now seen corresponding path program 1 times [2018-11-10 03:07:51,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:51,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:51,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:51,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:51,774 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:51,785 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:51,785 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:51,785 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:51,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:51,791 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:51,835 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-11-10 03:07:51,836 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [61], [63], [64], [68], [71], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-11-10 03:07:51,838 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:07:51,838 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:07:51,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:07:51,855 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-11-10 03:07:51,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:51,856 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:07:51,886 INFO L227 lantSequenceWeakener]: Weakened 9 states. On average, predicates are now at 91.36% of their original sizes. [2018-11-10 03:07:51,886 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:07:51,914 INFO L415 sIntCurrentIteration]: We unified 41 AI predicates to 41 [2018-11-10 03:07:51,914 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:07:51,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:07:51,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 03:07:51,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:07:51,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 03:07:51,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 03:07:51,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 03:07:51,917 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand 5 states. [2018-11-10 03:07:52,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:52,092 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2018-11-10 03:07:52,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 03:07:52,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-11-10 03:07:52,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:52,093 INFO L225 Difference]: With dead ends: 62 [2018-11-10 03:07:52,093 INFO L226 Difference]: Without dead ends: 38 [2018-11-10 03:07:52,094 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:07:52,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-10 03:07:52,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-11-10 03:07:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-10 03:07:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-11-10 03:07:52,101 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 42 [2018-11-10 03:07:52,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:52,101 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-11-10 03:07:52,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 03:07:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-11-10 03:07:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 03:07:52,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:52,103 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:52,103 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:52,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:52,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1866850875, now seen corresponding path program 1 times [2018-11-10 03:07:52,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:52,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:52,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:52,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:52,104 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:52,118 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:52,119 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:52,119 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:52,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:52,135 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:52,177 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 46 with the following transitions: [2018-11-10 03:07:52,178 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-11-10 03:07:52,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:07:52,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:07:52,352 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:07:52,352 INFO L272 AbstractInterpreter]: Visited 19 different actions 50 times. Merged at 3 different actions 23 times. Widened at 1 different actions 4 times. Found 1 fixpoints after 1 different actions. Largest state had 37 variables. [2018-11-10 03:07:52,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:52,355 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:07:52,416 INFO L227 lantSequenceWeakener]: Weakened 19 states. On average, predicates are now at 85.03% of their original sizes. [2018-11-10 03:07:52,416 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:07:52,524 INFO L415 sIntCurrentIteration]: We unified 44 AI predicates to 44 [2018-11-10 03:07:52,525 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:07:52,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:07:52,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 03:07:52,525 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:07:52,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 03:07:52,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 03:07:52,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 03:07:52,526 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 9 states. [2018-11-10 03:07:52,763 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-10 03:07:53,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:53,013 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2018-11-10 03:07:53,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:07:53,013 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-11-10 03:07:53,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:53,014 INFO L225 Difference]: With dead ends: 61 [2018-11-10 03:07:53,014 INFO L226 Difference]: Without dead ends: 41 [2018-11-10 03:07:53,016 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-10 03:07:53,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-10 03:07:53,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2018-11-10 03:07:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-10 03:07:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-11-10 03:07:53,026 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 45 [2018-11-10 03:07:53,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:53,026 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-11-10 03:07:53,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 03:07:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-11-10 03:07:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 03:07:53,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:53,028 INFO L375 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:53,029 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:53,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:53,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1254084674, now seen corresponding path program 1 times [2018-11-10 03:07:53,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:53,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:53,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:53,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:53,031 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:53,044 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:53,044 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:53,045 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:53,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:53,051 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:53,081 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 58 with the following transitions: [2018-11-10 03:07:53,082 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [48], [53], [55], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-11-10 03:07:53,083 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:07:53,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:07:53,222 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:07:53,222 INFO L272 AbstractInterpreter]: Visited 22 different actions 82 times. Merged at 7 different actions 46 times. Widened at 2 different actions 6 times. Found 2 fixpoints after 2 different actions. Largest state had 37 variables. [2018-11-10 03:07:53,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:53,233 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:07:53,285 INFO L227 lantSequenceWeakener]: Weakened 23 states. On average, predicates are now at 82.89% of their original sizes. [2018-11-10 03:07:53,286 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:07:53,362 INFO L415 sIntCurrentIteration]: We unified 56 AI predicates to 56 [2018-11-10 03:07:53,362 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:07:53,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:07:53,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 03:07:53,363 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:07:53,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 03:07:53,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 03:07:53,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:07:53,364 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 10 states. [2018-11-10 03:07:53,520 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-10 03:07:53,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:53,657 INFO L93 Difference]: Finished difference Result 67 states and 82 transitions. [2018-11-10 03:07:53,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 03:07:53,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-10 03:07:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:53,658 INFO L225 Difference]: With dead ends: 67 [2018-11-10 03:07:53,658 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 03:07:53,658 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-11-10 03:07:53,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 03:07:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-10 03:07:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-10 03:07:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-11-10 03:07:53,665 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 57 [2018-11-10 03:07:53,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:53,665 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2018-11-10 03:07:53,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 03:07:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2018-11-10 03:07:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 03:07:53,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:53,667 INFO L375 BasicCegarLoop]: trace histogram [9, 6, 6, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:53,667 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:53,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:53,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1360907787, now seen corresponding path program 1 times [2018-11-10 03:07:53,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:53,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:53,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:53,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:53,671 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:53,682 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:53,682 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:53,682 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:53,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:53,698 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:53,734 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 70 with the following transitions: [2018-11-10 03:07:53,734 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [48], [51], [53], [55], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-11-10 03:07:53,736 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:07:53,736 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:07:53,958 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-10 03:07:54,496 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 03:07:54,496 INFO L272 AbstractInterpreter]: Visited 32 different actions 260 times. Merged at 11 different actions 161 times. Widened at 2 different actions 22 times. Found 27 fixpoints after 6 different actions. Largest state had 37 variables. [2018-11-10 03:07:54,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:54,505 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 03:07:54,627 INFO L227 lantSequenceWeakener]: Weakened 49 states. On average, predicates are now at 77.76% of their original sizes. [2018-11-10 03:07:54,627 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 03:07:54,896 INFO L415 sIntCurrentIteration]: We unified 68 AI predicates to 68 [2018-11-10 03:07:54,896 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 03:07:54,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:07:54,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-11-10 03:07:54,896 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:07:54,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-10 03:07:54,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-10 03:07:54,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-11-10 03:07:54,897 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 19 states. [2018-11-10 03:07:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:55,897 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2018-11-10 03:07:55,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 03:07:55,897 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 69 [2018-11-10 03:07:55,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:55,898 INFO L225 Difference]: With dead ends: 75 [2018-11-10 03:07:55,898 INFO L226 Difference]: Without dead ends: 48 [2018-11-10 03:07:55,899 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 77 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2018-11-10 03:07:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-10 03:07:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2018-11-10 03:07:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-10 03:07:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2018-11-10 03:07:55,906 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 69 [2018-11-10 03:07:55,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:55,908 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2018-11-10 03:07:55,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-10 03:07:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2018-11-10 03:07:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 03:07:55,909 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:55,909 INFO L375 BasicCegarLoop]: trace histogram [9, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:55,909 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:55,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:55,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1443367440, now seen corresponding path program 1 times [2018-11-10 03:07:55,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:55,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:55,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:55,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:55,910 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:55,921 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:55,921 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:55,921 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:55,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:55,937 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:55,964 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 73 with the following transitions: [2018-11-10 03:07:55,964 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [20], [22], [26], [28], [31], [32], [39], [43], [46], [48], [51], [53], [55], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-11-10 03:07:55,965 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 03:07:55,965 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 03:07:56,072 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-10 03:07:57,170 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 03:07:57,171 INFO L272 AbstractInterpreter]: Visited 40 different actions 407 times. Merged at 15 different actions 257 times. Widened at 3 different actions 36 times. Found 42 fixpoints after 9 different actions. Largest state had 39 variables. [2018-11-10 03:07:57,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:57,177 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 03:07:57,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:57,178 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/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 [2018-11-10 03:07:57,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:57,191 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 03:07:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:57,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:07:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-10 03:07:57,298 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:07:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-10 03:07:57,406 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 03:07:57,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-10 03:07:57,406 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:07:57,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:07:57,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:07:57,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:07:57,410 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 6 states. [2018-11-10 03:07:57,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:57,447 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2018-11-10 03:07:57,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:07:57,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2018-11-10 03:07:57,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:57,448 INFO L225 Difference]: With dead ends: 88 [2018-11-10 03:07:57,448 INFO L226 Difference]: Without dead ends: 55 [2018-11-10 03:07:57,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:07:57,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-10 03:07:57,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-11-10 03:07:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-11-10 03:07:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2018-11-10 03:07:57,458 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 72 [2018-11-10 03:07:57,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:57,458 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2018-11-10 03:07:57,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:07:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2018-11-10 03:07:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 03:07:57,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:57,460 INFO L375 BasicCegarLoop]: trace histogram [9, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:57,460 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:57,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:57,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1140034890, now seen corresponding path program 2 times [2018-11-10 03:07:57,462 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:57,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:57,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:57,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:57,463 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:57,477 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:57,477 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:57,477 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:57,508 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:57,508 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:57,538 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-10 03:07:57,538 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-10 03:07:57,539 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:57,539 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/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 [2018-11-10 03:07:57,562 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 03:07:57,562 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-10 03:07:57,593 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-10 03:07:57,593 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 03:07:57,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:07:57,618 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 03:07:57,618 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:07:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 03:07:57,659 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 03:07:57,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-10 03:07:57,659 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:07:57,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:07:57,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:07:57,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:07:57,660 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand 7 states. [2018-11-10 03:07:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:57,692 INFO L93 Difference]: Finished difference Result 99 states and 119 transitions. [2018-11-10 03:07:57,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 03:07:57,692 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2018-11-10 03:07:57,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:57,694 INFO L225 Difference]: With dead ends: 99 [2018-11-10 03:07:57,694 INFO L226 Difference]: Without dead ends: 70 [2018-11-10 03:07:57,694 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:07:57,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-10 03:07:57,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2018-11-10 03:07:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-10 03:07:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2018-11-10 03:07:57,703 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 81 [2018-11-10 03:07:57,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:57,703 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2018-11-10 03:07:57,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:07:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2018-11-10 03:07:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 03:07:57,704 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:57,706 INFO L375 BasicCegarLoop]: trace histogram [18, 15, 15, 12, 5, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:57,707 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:57,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:57,707 INFO L82 PathProgramCache]: Analyzing trace with hash -2035012729, now seen corresponding path program 3 times [2018-11-10 03:07:57,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:57,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:57,708 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:57,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:57,708 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:57,723 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:57,724 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:57,724 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:57,743 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:57,743 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:57,796 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-10 03:07:57,796 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-10 03:07:57,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:57,796 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 03:07:57,807 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 03:07:57,807 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-11-10 03:07:57,862 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 03:07:57,862 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 03:07:57,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:07:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-11-10 03:07:57,922 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:07:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-11-10 03:07:57,989 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 03:07:57,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-10 03:07:57,989 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:07:57,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 03:07:57,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 03:07:57,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 03:07:57,990 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand 12 states. [2018-11-10 03:07:58,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:58,016 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-11-10 03:07:58,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 03:07:58,017 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2018-11-10 03:07:58,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:58,018 INFO L225 Difference]: With dead ends: 128 [2018-11-10 03:07:58,018 INFO L226 Difference]: Without dead ends: 84 [2018-11-10 03:07:58,018 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-11-10 03:07:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-11-10 03:07:58,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-11-10 03:07:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-11-10 03:07:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2018-11-10 03:07:58,029 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 117 [2018-11-10 03:07:58,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:58,030 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2018-11-10 03:07:58,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 03:07:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2018-11-10 03:07:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 03:07:58,031 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:58,031 INFO L375 BasicCegarLoop]: trace histogram [18, 15, 15, 12, 11, 10, 10, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:58,031 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:58,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:58,032 INFO L82 PathProgramCache]: Analyzing trace with hash 915687623, now seen corresponding path program 4 times [2018-11-10 03:07:58,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:58,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,032 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:58,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,035 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:58,054 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:58,054 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:58,054 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:58,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:58,065 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:58,101 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-10 03:07:58,101 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-10 03:07:58,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:58,101 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 03:07:58,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:58,117 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 03:07:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:58,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:07:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2018-11-10 03:07:58,203 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:07:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 26 proven. 253 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2018-11-10 03:07:58,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 03:07:58,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-10 03:07:58,296 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:07:58,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:07:58,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:07:58,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:07:58,296 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 6 states. [2018-11-10 03:07:58,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:58,359 INFO L93 Difference]: Finished difference Result 136 states and 156 transitions. [2018-11-10 03:07:58,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:07:58,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-10 03:07:58,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:58,361 INFO L225 Difference]: With dead ends: 136 [2018-11-10 03:07:58,361 INFO L226 Difference]: Without dead ends: 96 [2018-11-10 03:07:58,361 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:07:58,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-10 03:07:58,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-10 03:07:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-10 03:07:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2018-11-10 03:07:58,372 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 135 [2018-11-10 03:07:58,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:58,372 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2018-11-10 03:07:58,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:07:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2018-11-10 03:07:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 03:07:58,374 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:58,374 INFO L375 BasicCegarLoop]: trace histogram [27, 24, 24, 12, 12, 11, 10, 10, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:58,374 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:58,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:58,374 INFO L82 PathProgramCache]: Analyzing trace with hash -160353978, now seen corresponding path program 5 times [2018-11-10 03:07:58,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:58,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:58,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,375 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:58,395 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:58,395 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:58,395 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:58,406 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:58,406 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:58,449 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-10 03:07:58,449 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-10 03:07:58,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:58,449 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 03:07:58,457 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-10 03:07:58,457 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-10 03:07:58,491 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-10 03:07:58,491 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 03:07:58,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:07:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 588 proven. 2 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-11-10 03:07:58,526 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:07:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2018-11-10 03:07:58,565 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 03:07:58,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-10 03:07:58,565 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:07:58,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 03:07:58,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:07:58,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:07:58,565 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand 6 states. [2018-11-10 03:07:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:58,584 INFO L93 Difference]: Finished difference Result 149 states and 164 transitions. [2018-11-10 03:07:58,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:07:58,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2018-11-10 03:07:58,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:58,585 INFO L225 Difference]: With dead ends: 149 [2018-11-10 03:07:58,585 INFO L226 Difference]: Without dead ends: 105 [2018-11-10 03:07:58,585 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:07:58,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-10 03:07:58,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-10 03:07:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-10 03:07:58,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2018-11-10 03:07:58,591 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 171 [2018-11-10 03:07:58,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:58,591 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2018-11-10 03:07:58,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 03:07:58,591 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2018-11-10 03:07:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 03:07:58,593 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:58,593 INFO L375 BasicCegarLoop]: trace histogram [27, 24, 24, 12, 12, 11, 10, 10, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:58,593 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:58,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:58,593 INFO L82 PathProgramCache]: Analyzing trace with hash -278625, now seen corresponding path program 6 times [2018-11-10 03:07:58,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:58,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,594 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:58,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,594 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:58,611 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:58,611 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:58,611 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:58,619 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:58,619 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:58,687 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-10 03:07:58,687 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-10 03:07:58,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:58,687 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 03:07:58,694 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-10 03:07:58,694 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-11-10 03:07:58,732 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-10 03:07:58,732 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-10 03:07:58,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:07:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 397 proven. 36 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2018-11-10 03:07:58,764 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:07:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 71 proven. 622 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2018-11-10 03:07:58,822 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 03:07:58,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-11-10 03:07:58,822 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:07:58,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 03:07:58,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 03:07:58,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:07:58,823 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 8 states. [2018-11-10 03:07:58,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:58,840 INFO L93 Difference]: Finished difference Result 174 states and 193 transitions. [2018-11-10 03:07:58,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:07:58,841 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2018-11-10 03:07:58,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:58,842 INFO L225 Difference]: With dead ends: 174 [2018-11-10 03:07:58,842 INFO L226 Difference]: Without dead ends: 113 [2018-11-10 03:07:58,842 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 349 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-11-10 03:07:58,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-10 03:07:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-10 03:07:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-10 03:07:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 121 transitions. [2018-11-10 03:07:58,851 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 121 transitions. Word has length 180 [2018-11-10 03:07:58,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:58,851 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 121 transitions. [2018-11-10 03:07:58,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 03:07:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 121 transitions. [2018-11-10 03:07:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 03:07:58,853 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:58,853 INFO L375 BasicCegarLoop]: trace histogram [33, 30, 30, 18, 12, 11, 10, 10, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:58,853 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:58,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:58,853 INFO L82 PathProgramCache]: Analyzing trace with hash 913997841, now seen corresponding path program 7 times [2018-11-10 03:07:58,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:58,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,854 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:58,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:58,854 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:58,868 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:58,868 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:58,868 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:58,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:58,886 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:58,933 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-10 03:07:58,933 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-10 03:07:58,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 03:07:58,933 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 03:07:58,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:58,944 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 03:07:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:07:58,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:07:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2119 backedges. 892 proven. 26 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2018-11-10 03:07:59,020 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 03:07:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2119 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2018-11-10 03:07:59,080 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 03:07:59,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-11-10 03:07:59,080 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 03:07:59,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 03:07:59,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 03:07:59,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:07:59,081 INFO L87 Difference]: Start difference. First operand 113 states and 121 transitions. Second operand 11 states. [2018-11-10 03:07:59,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:07:59,102 INFO L93 Difference]: Finished difference Result 180 states and 197 transitions. [2018-11-10 03:07:59,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 03:07:59,102 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2018-11-10 03:07:59,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:07:59,103 INFO L225 Difference]: With dead ends: 180 [2018-11-10 03:07:59,103 INFO L226 Difference]: Without dead ends: 128 [2018-11-10 03:07:59,103 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 397 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:07:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-10 03:07:59,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-10 03:07:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-10 03:07:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2018-11-10 03:07:59,111 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 204 [2018-11-10 03:07:59,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:07:59,111 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2018-11-10 03:07:59,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 03:07:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2018-11-10 03:07:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-10 03:07:59,112 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:07:59,113 INFO L375 BasicCegarLoop]: trace histogram [33, 30, 30, 18, 12, 11, 10, 10, 10, 9, 9, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:07:59,113 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:07:59,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:07:59,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1032527120, now seen corresponding path program 8 times [2018-11-10 03:07:59,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:07:59,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:59,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:07:59,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:07:59,114 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:07:59,127 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-10 03:07:59,127 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-10 03:07:59,127 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-10 03:07:59,137 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:07:59,137 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-11-10 03:07:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:07:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:08:00,106 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:08:00,120 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,121 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,125 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,125 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,126 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,126 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,130 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,130 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,130 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,130 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,133 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,134 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,134 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,134 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,134 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,134 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,135 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,136 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,136 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,136 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,136 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,136 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,137 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,138 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,139 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,140 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,140 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,140 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,140 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,140 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,140 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,141 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,141 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,141 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,141 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,141 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,141 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,142 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,142 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,142 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,142 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,142 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,142 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,142 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,143 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,145 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,146 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,146 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,147 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,147 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,148 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,148 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,148 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,148 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,148 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,148 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:08:00 BoogieIcfgContainer [2018-11-10 03:08:00,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:08:00,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:08:00,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:08:00,180 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:08:00,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:07:51" (3/4) ... [2018-11-10 03:08:00,182 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 03:08:00,185 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,185 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,186 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,186 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,186 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,186 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,187 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,187 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,187 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,188 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,198 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,199 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,199 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,200 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,201 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,201 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:08:00,262 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b3c8279-72f9-4ab3-895f-8362307748c2/bin-2019/utaipan/witness.graphml [2018-11-10 03:08:00,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:08:00,263 INFO L168 Benchmark]: Toolchain (without parser) took 9644.56 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 633.3 MB). Free memory was 954.8 MB in the beginning and 1.3 GB in the end (delta: -366.7 MB). Peak memory consumption was 266.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:08:00,264 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:08:00,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:08:00,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.37 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:08:00,265 INFO L168 Benchmark]: Boogie Preprocessor took 22.65 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:08:00,265 INFO L168 Benchmark]: RCFGBuilder took 312.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:08:00,266 INFO L168 Benchmark]: TraceAbstraction took 9037.49 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 475.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -200.7 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:08:00,266 INFO L168 Benchmark]: Witness Printer took 83.18 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:08:00,268 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.8 MB in the beginning and 944.1 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 24.37 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 941.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.65 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 312.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -196.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9037.49 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 475.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -200.7 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. * Witness Printer took 83.18 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 50]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L31] CALL int x[10]; [L31] RET int x[10]; [L32] CALL init_nondet(x) [L5] int i; [L6] i = 0 [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND FALSE, RET !(i < 10) [L32] init_nondet(x) [L33] int temp; [L34] int ret; [L35] int ret2; [L36] int ret5; [L38] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] RET return ret / cnt; [L38] EXPR rangesum(x) [L38] ret = rangesum(x) [L40] CALL, EXPR x[0] [L40] RET, EXPR x[0] [L40] temp=x[0] [L40] CALL, EXPR x[1] [L40] RET, EXPR x[1] [L40] CALL x[0] = x[1] [L40] RET x[0] = x[1] [L40] CALL x[1] = temp [L40] RET x[1] = temp [L41] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] RET return ret / cnt; [L41] EXPR rangesum(x) [L41] ret2 = rangesum(x) [L42] CALL, EXPR x[0] [L42] RET, EXPR x[0] [L42] temp=x[0] [L43] int i =0 ; [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND FALSE !(i<10 -1) [L46] CALL x[10 -1] = temp [L46] RET x[10 -1] = temp [L47] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] RET return ret / cnt; [L47] EXPR rangesum(x) [L47] ret5 = rangesum(x) [L49] COND TRUE ret != ret2 || ret !=ret5 [L50] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. UNSAFE Result, 8.9s OverallTime, 13 OverallIterations, 33 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 402 SDtfs, 220 SDslu, 1460 SDs, 0 SdLazy, 174 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2177 GetRequests, 2076 SyntacticMatches, 6 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9726047715521402 AbsIntWeakeningRatio, 1.6408163265306122 AbsIntAvgWeakeningVarsNumRemoved, 42.74285714285714 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 2389 NumberOfCodeBlocks, 2217 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1906 ConstructedInterpolants, 0 QuantifiedInterpolants, 332286 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2951 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 14 InterpolantComputations, 0 PerfectInterpolantSequences, 11948/12980 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...