./Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/loops/matrix_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8c3fbe1c Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i ../../../trunk/examples/svcomp/loops/matrix_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 a06687718ac0cd281e66000f698ec14d3c3893e6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-8c3fbe1 [2018-10-22 14:57:05,957 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 14:57:05,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 14:57:05,970 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 14:57:05,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 14:57:05,972 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 14:57:05,974 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 14:57:05,976 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 14:57:05,978 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 14:57:05,979 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 14:57:05,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 14:57:05,980 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 14:57:05,982 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 14:57:05,983 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 14:57:05,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 14:57:05,985 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 14:57:05,986 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 14:57:05,989 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 14:57:05,991 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 14:57:05,993 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 14:57:05,994 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 14:57:05,996 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 14:57:05,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-22 14:57:05,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-22 14:57:05,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-22 14:57:06,000 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-22 14:57:06,002 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-22 14:57:06,003 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-22 14:57:06,004 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-22 14:57:06,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-22 14:57:06,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-22 14:57:06,006 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-22 14:57:06,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-22 14:57:06,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-22 14:57:06,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-22 14:57:06,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-22 14:57:06,010 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-22 14:57:06,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 14:57:06,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 14:57:06,033 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 14:57:06,033 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-22 14:57:06,033 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-22 14:57:06,033 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-22 14:57:06,033 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-22 14:57:06,035 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-22 14:57:06,035 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-22 14:57:06,035 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-22 14:57:06,035 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-22 14:57:06,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 14:57:06,037 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-22 14:57:06,038 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 14:57:06,038 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-22 14:57:06,038 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 14:57:06,038 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 14:57:06,039 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 14:57:06,039 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 14:57:06,039 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-22 14:57:06,039 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 14:57:06,039 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 14:57:06,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 14:57:06,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 14:57:06,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 14:57:06,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 14:57:06,043 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 14:57:06,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 14:57:06,043 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 14:57:06,043 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 14:57:06,043 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-22 14:57:06,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 14:57:06,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 14:57:06,044 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 14:57:06,044 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 -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux 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 -> a06687718ac0cd281e66000f698ec14d3c3893e6 [2018-10-22 14:57:06,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 14:57:06,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 14:57:06,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 14:57:06,164 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 14:57:06,165 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 14:57:06,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/matrix_false-unreach-call_true-termination.i [2018-10-22 14:57:06,231 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/22d173b35/07dae1e129b140d4811a0354ec38792b/FLAG497b4feda [2018-10-22 14:57:06,712 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 14:57:06,716 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix_false-unreach-call_true-termination.i [2018-10-22 14:57:06,724 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/22d173b35/07dae1e129b140d4811a0354ec38792b/FLAG497b4feda [2018-10-22 14:57:06,747 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/22d173b35/07dae1e129b140d4811a0354ec38792b [2018-10-22 14:57:06,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 14:57:06,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-22 14:57:06,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 14:57:06,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 14:57:06,765 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 14:57:06,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:57:06" (1/1) ... [2018-10-22 14:57:06,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32560d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:06, skipping insertion in model container [2018-10-22 14:57:06,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:57:06" (1/1) ... [2018-10-22 14:57:06,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 14:57:06,814 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 14:57:07,057 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 14:57:07,064 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 14:57:07,105 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 14:57:07,129 INFO L193 MainTranslator]: Completed translation [2018-10-22 14:57:07,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07 WrapperNode [2018-10-22 14:57:07,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 14:57:07,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 14:57:07,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 14:57:07,132 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 14:57:07,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 14:57:07,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 14:57:07,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 14:57:07,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 14:57:07,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... [2018-10-22 14:57:07,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 14:57:07,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 14:57:07,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 14:57:07,219 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 14:57:07,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 14:57:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-22 14:57:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-22 14:57:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 14:57:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 14:57:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-22 14:57:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-22 14:57:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-22 14:57:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-22 14:57:07,871 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 14:57:07,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:57:07 BoogieIcfgContainer [2018-10-22 14:57:07,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 14:57:07,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 14:57:07,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 14:57:07,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 14:57:07,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:57:06" (1/3) ... [2018-10-22 14:57:07,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a79e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:57:07, skipping insertion in model container [2018-10-22 14:57:07,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:57:07" (2/3) ... [2018-10-22 14:57:07,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a79e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:57:07, skipping insertion in model container [2018-10-22 14:57:07,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:57:07" (3/3) ... [2018-10-22 14:57:07,883 INFO L112 eAbstractionObserver]: Analyzing ICFG matrix_false-unreach-call_true-termination.i [2018-10-22 14:57:07,894 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 14:57:07,903 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-22 14:57:07,922 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-22 14:57:07,956 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 14:57:07,957 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 14:57:07,957 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 14:57:07,957 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 14:57:07,957 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 14:57:07,957 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 14:57:07,958 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 14:57:07,958 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 14:57:07,958 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 14:57:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-10-22 14:57:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-22 14:57:07,983 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 14:57:07,985 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 14:57:07,987 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 14:57:07,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 14:57:07,994 INFO L82 PathProgramCache]: Analyzing trace with hash -693261454, now seen corresponding path program 1 times [2018-10-22 14:57:07,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 14:57:08,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:08,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:08,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:08,045 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 14:57:08,085 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-22 14:57:08,086 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-22 14:57:08,086 INFO L174 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 [2018-10-22 14:57:08,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:08,097 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-22 14:57:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 14:57:08,149 INFO L190 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-10-22 14:57:08,152 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-22 14:57:08,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 14:57:08,152 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 14:57:08,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:08,163 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 14:57:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 14:57:08,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 14:57:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 14:57:08,235 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 14:57:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 14:57:08,287 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-10-22 14:57:08,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-10-22 14:57:08,288 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 14:57:08,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-22 14:57:08,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-22 14:57:08,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 14:57:08,313 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2018-10-22 14:57:08,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 14:57:08,337 INFO L93 Difference]: Finished difference Result 60 states and 79 transitions. [2018-10-22 14:57:08,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-22 14:57:08,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-22 14:57:08,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 14:57:08,348 INFO L225 Difference]: With dead ends: 60 [2018-10-22 14:57:08,349 INFO L226 Difference]: Without dead ends: 28 [2018-10-22 14:57:08,355 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-22 14:57:08,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-10-22 14:57:08,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-10-22 14:57:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-10-22 14:57:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-10-22 14:57:08,405 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2018-10-22 14:57:08,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 14:57:08,406 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-10-22 14:57:08,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-22 14:57:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-10-22 14:57:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-22 14:57:08,409 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 14:57:08,409 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 14:57:08,409 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 14:57:08,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 14:57:08,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1162396557, now seen corresponding path program 1 times [2018-10-22 14:57:08,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 14:57:08,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:08,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:08,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:08,414 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 14:57:08,426 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-22 14:57:08,429 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-22 14:57:08,430 INFO L174 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 [2018-10-22 14:57:08,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:08,447 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-22 14:57:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 14:57:08,516 INFO L190 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2018-10-22 14:57:08,517 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-22 14:57:08,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 14:57:08,517 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 14:57:08,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:08,532 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 14:57:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 14:57:08,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 14:57:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 14:57:08,781 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 14:57:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 14:57:08,996 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-10-22 14:57:08,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2018-10-22 14:57:08,996 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 14:57:08,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-22 14:57:08,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-22 14:57:08,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-22 14:57:08,998 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2018-10-22 14:57:09,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 14:57:09,269 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2018-10-22 14:57:09,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-22 14:57:09,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-10-22 14:57:09,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 14:57:09,272 INFO L225 Difference]: With dead ends: 60 [2018-10-22 14:57:09,272 INFO L226 Difference]: Without dead ends: 43 [2018-10-22 14:57:09,274 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-22 14:57:09,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-10-22 14:57:09,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 30. [2018-10-22 14:57:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-10-22 14:57:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2018-10-22 14:57:09,286 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 17 [2018-10-22 14:57:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 14:57:09,286 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2018-10-22 14:57:09,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-22 14:57:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2018-10-22 14:57:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-22 14:57:09,288 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 14:57:09,288 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 14:57:09,288 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 14:57:09,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 14:57:09,289 INFO L82 PathProgramCache]: Analyzing trace with hash 243468249, now seen corresponding path program 1 times [2018-10-22 14:57:09,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 14:57:09,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:09,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:09,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:09,291 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 14:57:09,298 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-22 14:57:09,299 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-22 14:57:09,299 INFO L174 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 [2018-10-22 14:57:09,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:09,315 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-22 14:57:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 14:57:09,365 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 23 with the following transitions: [2018-10-22 14:57:09,367 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [18], [21], [34], [38], [42], [47], [51], [56], [70], [73], [75], [81], [82], [83], [85] [2018-10-22 14:57:09,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-22 14:57:09,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-22 14:57:09,602 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-22 14:57:10,520 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-22 14:57:10,522 INFO L272 AbstractInterpreter]: Visited 21 different actions 112 times. Merged at 6 different actions 78 times. Widened at 2 different actions 18 times. Found 14 fixpoints after 2 different actions. Largest state had 31 variables. [2018-10-22 14:57:10,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 14:57:10,566 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-22 14:57:10,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-22 14:57:10,566 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-22 14:57:10,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:10,575 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-22 14:57:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-22 14:57:10,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-22 14:57:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 14:57:10,709 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-22 14:57:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-22 14:57:10,802 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-10-22 14:57:10,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2018-10-22 14:57:10,803 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-22 14:57:10,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-22 14:57:10,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-22 14:57:10,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-22 14:57:10,804 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 5 states. [2018-10-22 14:57:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-22 14:57:10,949 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2018-10-22 14:57:10,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-22 14:57:10,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-10-22 14:57:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-22 14:57:10,951 INFO L225 Difference]: With dead ends: 72 [2018-10-22 14:57:10,951 INFO L226 Difference]: Without dead ends: 39 [2018-10-22 14:57:10,952 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-22 14:57:10,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-22 14:57:10,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 34. [2018-10-22 14:57:10,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-10-22 14:57:10,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-10-22 14:57:10,958 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 22 [2018-10-22 14:57:10,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-22 14:57:10,958 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-10-22 14:57:10,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-22 14:57:10,959 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-10-22 14:57:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-22 14:57:10,960 INFO L367 BasicCegarLoop]: Found error trace [2018-10-22 14:57:10,960 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-22 14:57:10,960 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-22 14:57:10,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-22 14:57:10,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1771241374, now seen corresponding path program 1 times [2018-10-22 14:57:10,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-22 14:57:10,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:10,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:10,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-22 14:57:10,962 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-22 14:57:10,968 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-22 14:57:10,969 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-22 14:57:10,969 INFO L174 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 [2018-10-22 14:57:10,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-22 14:57:10,986 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-22 14:57:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-22 14:57:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-22 14:57:11,123 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-22 14:57:11,149 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,150 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,151 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,153 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,153 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,154 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,154 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,154 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,155 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,155 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,155 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,156 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,160 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,160 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,161 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,166 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,166 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,166 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,170 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,170 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,171 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,171 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,171 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,171 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,172 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,172 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,172 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,178 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,178 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,179 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,179 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,179 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,180 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,180 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:57:11 BoogieIcfgContainer [2018-10-22 14:57:11,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 14:57:11,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-22 14:57:11,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-22 14:57:11,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-22 14:57:11,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:57:07" (3/4) ... [2018-10-22 14:57:11,212 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-22 14:57:11,214 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,214 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,214 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,214 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,214 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,216 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,216 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,217 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,218 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,219 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,219 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,219 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,220 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,221 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,221 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,221 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,221 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,223 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,223 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,223 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,223 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,224 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,224 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,224 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,224 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,225 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,226 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,227 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,227 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,227 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,227 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-22 14:57:11,281 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2018-10-22 14:57:11,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-22 14:57:11,282 INFO L168 Benchmark]: Toolchain (without parser) took 4529.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 951.8 MB in the beginning and 977.1 MB in the end (delta: -25.3 MB). Peak memory consumption was 159.8 MB. Max. memory is 11.5 GB. [2018-10-22 14:57:11,285 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-22 14:57:11,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.06 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-22 14:57:11,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.35 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-22 14:57:11,287 INFO L168 Benchmark]: Boogie Preprocessor took 33.36 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-22 14:57:11,288 INFO L168 Benchmark]: RCFGBuilder took 653.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-10-22 14:57:11,289 INFO L168 Benchmark]: TraceAbstraction took 3333.89 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 92.8 MB). Peak memory consumption was 180.4 MB. Max. memory is 11.5 GB. [2018-10-22 14:57:11,290 INFO L168 Benchmark]: Witness Printer took 74.05 ms. Allocated memory is still 1.2 GB. Free memory is still 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-22 14:57:11,295 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.06 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 941.1 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 53.35 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.36 ms. Allocated memory is still 1.0 GB. Free memory is still 935.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 653.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3333.89 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 92.8 MB). Peak memory consumption was 180.4 MB. Max. memory is 11.5 GB. * Witness Printer took 74.05 ms. Allocated memory is still 1.2 GB. Free memory is still 977.1 MB. There was no memory consumed. 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int N_LIN=__VERIFIER_nondet_uint(); [L15] unsigned int N_COL=__VERIFIER_nondet_uint(); [L16] unsigned int j,k; [L17] CALL int matriz[N_COL][N_LIN], maior; [L17] RET int matriz[N_COL][N_LIN], maior; [L19] maior = __VERIFIER_nondet_int() [L20] j=0 [L20] COND TRUE jmaior [L26] CALL, EXPR matriz[j][k] [L26] RET, EXPR matriz[j][k] [L26] maior = matriz[j][k] [L21] k++ [L21] COND FALSE !(k