./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2dbe578aaa8f4d94b72aa1723f297c002a26229 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2dbe578aaa8f4d94b72aa1723f297c002a26229 .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:17:46,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:17:46,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:17:46,467 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:17:46,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:17:46,470 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:17:46,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:17:46,474 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:17:46,479 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:17:46,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:17:46,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:17:46,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:17:46,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:17:46,493 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:17:46,494 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:17:46,497 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:17:46,498 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:17:46,501 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:17:46,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:17:46,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:17:46,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:17:46,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:17:46,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:17:46,517 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:17:46,517 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:17:46,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:17:46,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:17:46,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:17:46,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:17:46,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:17:46,528 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:17:46,529 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:17:46,529 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:17:46,529 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:17:46,530 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:17:46,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:17:46,535 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:17:46,562 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:17:46,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:17:46,564 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:17:46,565 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:17:46,565 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:17:46,565 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:17:46,565 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:17:46,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:17:46,566 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:17:46,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:17:46,566 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:17:46,566 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:17:46,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:17:46,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:17:46,568 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:17:46,568 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:17:46,568 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:17:46,568 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:17:46,568 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:17:46,569 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:17:46,569 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:17:46,569 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:17:46,569 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:17:46,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:17:46,569 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:17:46,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:17:46,571 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:17:46,571 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:17:46,572 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:17:46,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:17:46,572 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/UAutomizer-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 -> Automizer 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 -> a2dbe578aaa8f4d94b72aa1723f297c002a26229 [2018-11-28 18:17:46,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:17:46,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:17:46,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:17:46,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:17:46,636 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:17:46,637 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-28 18:17:46,709 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95aaba32c/920d37241e2e4594bd11aa068b60a5a7/FLAGd409d95fd [2018-11-28 18:17:47,161 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:17:47,163 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-28 18:17:47,172 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95aaba32c/920d37241e2e4594bd11aa068b60a5a7/FLAGd409d95fd [2018-11-28 18:17:47,497 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95aaba32c/920d37241e2e4594bd11aa068b60a5a7 [2018-11-28 18:17:47,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:17:47,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:17:47,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:17:47,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:17:47,509 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:17:47,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d72f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47, skipping insertion in model container [2018-11-28 18:17:47,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:17:47,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:17:47,750 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:17:47,793 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:17:47,823 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:17:47,865 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:17:47,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47 WrapperNode [2018-11-28 18:17:47,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:17:47,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:17:47,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:17:47,866 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:17:47,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:17:47,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:17:47,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:17:47,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:17:47,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... [2018-11-28 18:17:47,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:17:47,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:17:47,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:17:47,952 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:17:47,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-28 18:17:48,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:17:48,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:17:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:17:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:17:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:17:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:17:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 18:17:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:17:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:17:48,488 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:17:48,488 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 18:17:48,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:17:48 BoogieIcfgContainer [2018-11-28 18:17:48,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:17:48,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:17:48,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:17:48,493 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:17:48,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:17:47" (1/3) ... [2018-11-28 18:17:48,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aed2b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:17:48, skipping insertion in model container [2018-11-28 18:17:48,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:47" (2/3) ... [2018-11-28 18:17:48,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aed2b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:17:48, skipping insertion in model container [2018-11-28 18:17:48,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:17:48" (3/3) ... [2018-11-28 18:17:48,498 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-11-28 18:17:48,508 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:17:48,517 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:17:48,534 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:17:48,567 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:17:48,568 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:17:48,568 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:17:48,568 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:17:48,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:17:48,569 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:17:48,569 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:17:48,569 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:17:48,570 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:17:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-28 18:17:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 18:17:48,593 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:17:48,594 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:17:48,597 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:17:48,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:17:48,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1526440521, now seen corresponding path program 1 times [2018-11-28 18:17:48,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:17:48,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:17:48,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:17:48,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:17:48,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:17:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:17:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:17:48,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:17:48,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:17:48,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:17:48,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:17:48,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:17:48,795 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-11-28 18:17:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:17:48,813 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-11-28 18:17:48,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:17:48,815 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-28 18:17:48,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:17:48,826 INFO L225 Difference]: With dead ends: 28 [2018-11-28 18:17:48,826 INFO L226 Difference]: Without dead ends: 13 [2018-11-28 18:17:48,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:17:48,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-11-28 18:17:48,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-11-28 18:17:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-28 18:17:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-11-28 18:17:48,867 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-11-28 18:17:48,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:17:48,868 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-11-28 18:17:48,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:17:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-28 18:17:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 18:17:48,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:17:48,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:17:48,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:17:48,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:17:48,870 INFO L82 PathProgramCache]: Analyzing trace with hash -281053369, now seen corresponding path program 1 times [2018-11-28 18:17:48,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:17:48,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:17:48,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:17:48,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:17:48,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:17:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:17:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:17:48,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:17:48,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:17:48,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:17:48,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:17:48,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:17:48,977 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2018-11-28 18:17:49,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:17:49,065 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-11-28 18:17:49,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:17:49,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-28 18:17:49,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:17:49,066 INFO L225 Difference]: With dead ends: 20 [2018-11-28 18:17:49,067 INFO L226 Difference]: Without dead ends: 15 [2018-11-28 18:17:49,068 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:17:49,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-28 18:17:49,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-28 18:17:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-28 18:17:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-28 18:17:49,073 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-11-28 18:17:49,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:17:49,074 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-28 18:17:49,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:17:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-28 18:17:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 18:17:49,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:17:49,075 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:17:49,075 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:17:49,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:17:49,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1999502604, now seen corresponding path program 1 times [2018-11-28 18:17:49,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:17:49,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:17:49,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:17:49,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:17:49,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:17:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:17:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:17:49,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:17:49,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:17:49,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:17:49,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:17:49,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:17:49,404 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 5 states. [2018-11-28 18:17:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:17:49,519 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-28 18:17:49,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:17:49,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-28 18:17:49,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:17:49,520 INFO L225 Difference]: With dead ends: 15 [2018-11-28 18:17:49,520 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:17:49,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:17:49,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:17:49,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:17:49,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:17:49,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:17:49,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-28 18:17:49,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:17:49,524 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:17:49,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:17:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:17:49,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:17:49,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:17:49,871 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-11-28 18:17:49,873 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:17:49,874 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:17:49,874 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:17:49,874 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:17:49,874 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= |~#x~0.base| |~#y~0.base|)) (= ~i~0 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |~#x~0.base|))) [2018-11-28 18:17:49,875 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:17:49,875 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:17:49,875 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 23) no Hoare annotation was computed. [2018-11-28 18:17:49,875 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-11-28 18:17:49,875 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 23) no Hoare annotation was computed. [2018-11-28 18:17:49,876 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-11-28 18:17:49,876 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 8 23) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (= |~#y~0.base| |~#x~0.base|))) [2018-11-28 18:17:49,876 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-28 18:17:49,876 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-11-28 18:17:49,876 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-11-28 18:17:49,877 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-11-28 18:17:49,877 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (= |~#y~0.base| |~#x~0.base|))) [2018-11-28 18:17:49,877 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2018-11-28 18:17:49,884 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-28 18:17:49,888 INFO L168 Benchmark]: Toolchain (without parser) took 2385.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -119.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:17:49,891 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:17:49,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.45 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:17:49,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.82 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:17:49,893 INFO L168 Benchmark]: Boogie Preprocessor took 45.78 ms. Allocated memory is still 1.0 GB. Free memory was 935.2 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:17:49,894 INFO L168 Benchmark]: RCFGBuilder took 538.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:17:49,895 INFO L168 Benchmark]: TraceAbstraction took 1396.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:17:49,901 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.45 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.2 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 38.82 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.78 ms. Allocated memory is still 1.0 GB. Free memory was 935.2 MB in the beginning and 929.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 538.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1396.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 18:17:52,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:17:52,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:17:52,253 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:17:52,253 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:17:52,254 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:17:52,256 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:17:52,258 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:17:52,259 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:17:52,260 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:17:52,261 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:17:52,261 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:17:52,263 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:17:52,264 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:17:52,265 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:17:52,266 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:17:52,267 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:17:52,269 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:17:52,271 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:17:52,273 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:17:52,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:17:52,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:17:52,281 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:17:52,281 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:17:52,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:17:52,282 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:17:52,283 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:17:52,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:17:52,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:17:52,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:17:52,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:17:52,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:17:52,291 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:17:52,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:17:52,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:17:52,293 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:17:52,293 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 18:17:52,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:17:52,314 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:17:52,315 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:17:52,315 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:17:52,316 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:17:52,316 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:17:52,316 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:17:52,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:17:52,320 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:17:52,320 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:17:52,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:17:52,320 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:17:52,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:17:52,321 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:17:52,321 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 18:17:52,321 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 18:17:52,321 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:17:52,321 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:17:52,322 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:17:52,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:17:52,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:17:52,322 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:17:52,322 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:17:52,322 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:17:52,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:17:52,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:17:52,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:17:52,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:17:52,324 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 18:17:52,325 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:17:52,325 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 18:17:52,325 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 18:17:52,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/UAutomizer-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 -> Automizer 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 -> a2dbe578aaa8f4d94b72aa1723f297c002a26229 [2018-11-28 18:17:52,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:17:52,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:17:52,391 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:17:52,393 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:17:52,393 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:17:52,394 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-28 18:17:52,447 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43972c6cc/600ad568dd4d4519b8c8c2bd7d5497d5/FLAGa51f752b7 [2018-11-28 18:17:52,895 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:17:52,896 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-11-28 18:17:52,901 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43972c6cc/600ad568dd4d4519b8c8c2bd7d5497d5/FLAGa51f752b7 [2018-11-28 18:17:53,258 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43972c6cc/600ad568dd4d4519b8c8c2bd7d5497d5 [2018-11-28 18:17:53,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:17:53,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:17:53,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:17:53,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:17:53,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:17:53,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3d4560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53, skipping insertion in model container [2018-11-28 18:17:53,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:17:53,303 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:17:53,534 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:17:53,574 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:17:53,597 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:17:53,625 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:17:53,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53 WrapperNode [2018-11-28 18:17:53,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:17:53,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:17:53,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:17:53,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:17:53,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:17:53,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:17:53,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:17:53,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:17:53,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... [2018-11-28 18:17:53,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:17:53,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:17:53,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:17:53,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:17:53,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-28 18:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:17:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-28 18:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:17:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:17:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-28 18:17:54,315 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:17:54,315 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 18:17:54,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:17:54 BoogieIcfgContainer [2018-11-28 18:17:54,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:17:54,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:17:54,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:17:54,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:17:54,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:17:53" (1/3) ... [2018-11-28 18:17:54,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a1f237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:17:54, skipping insertion in model container [2018-11-28 18:17:54,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:17:53" (2/3) ... [2018-11-28 18:17:54,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a1f237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:17:54, skipping insertion in model container [2018-11-28 18:17:54,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:17:54" (3/3) ... [2018-11-28 18:17:54,326 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-11-28 18:17:54,336 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:17:54,343 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:17:54,360 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:17:54,403 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:17:54,404 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:17:54,404 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:17:54,404 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:17:54,405 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:17:54,405 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:17:54,405 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:17:54,405 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:17:54,405 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:17:54,421 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-28 18:17:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 18:17:54,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:17:54,429 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:17:54,431 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:17:54,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:17:54,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1526440521, now seen corresponding path program 1 times [2018-11-28 18:17:54,441 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 18:17:54,441 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 18:17:54,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:17:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:17:54,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:17:54,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:17:54,550 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:17:54,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:17:54,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:17:54,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:17:54,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:17:54,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:17:54,579 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-11-28 18:17:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:17:54,599 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-11-28 18:17:54,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:17:54,600 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-11-28 18:17:54,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:17:54,611 INFO L225 Difference]: With dead ends: 28 [2018-11-28 18:17:54,611 INFO L226 Difference]: Without dead ends: 13 [2018-11-28 18:17:54,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:17:54,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-11-28 18:17:54,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-11-28 18:17:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-28 18:17:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-11-28 18:17:54,655 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-11-28 18:17:54,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:17:54,655 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-11-28 18:17:54,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:17:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-11-28 18:17:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 18:17:54,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:17:54,656 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:17:54,657 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:17:54,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:17:54,657 INFO L82 PathProgramCache]: Analyzing trace with hash -281053369, now seen corresponding path program 1 times [2018-11-28 18:17:54,658 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 18:17:54,658 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 18:17:54,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:17:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:17:54,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:17:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:17:54,801 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:17:54,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:17:54,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:17:54,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:17:54,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:17:54,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:17:54,807 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2018-11-28 18:17:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:17:54,884 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-11-28 18:17:54,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:17:54,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-28 18:17:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:17:54,887 INFO L225 Difference]: With dead ends: 20 [2018-11-28 18:17:54,887 INFO L226 Difference]: Without dead ends: 15 [2018-11-28 18:17:54,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:17:54,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-28 18:17:54,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-28 18:17:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-28 18:17:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-28 18:17:54,893 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-11-28 18:17:54,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:17:54,894 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-28 18:17:54,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:17:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-28 18:17:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 18:17:54,894 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:17:54,895 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:17:54,895 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:17:54,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:17:54,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1999502604, now seen corresponding path program 1 times [2018-11-28 18:17:54,896 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 18:17:54,896 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 18:17:54,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:17:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:17:55,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:17:55,053 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-11-28 18:17:55,161 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 18:17:55,208 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-11-28 18:17:55,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 18:17:55,231 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 18:17:55,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-11-28 18:17:55,320 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 18:17:55,322 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-11-28 18:17:55,323 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-28 18:17:55,367 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 18:17:55,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 18:17:55,475 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2018-11-28 18:17:57,550 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 18:17:57,578 INFO L683 Elim1Store]: detected equality via solver [2018-11-28 18:17:57,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-11-28 18:17:57,581 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 18:17:57,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 18:17:57,590 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2018-11-28 18:17:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:17:57,689 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 18:17:57,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:17:57,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:17:57,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:17:57,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:17:57,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:17:57,698 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2018-11-28 18:17:59,818 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 22 [2018-11-28 18:17:59,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:17:59,822 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-28 18:17:59,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:17:59,823 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-28 18:17:59,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:17:59,823 INFO L225 Difference]: With dead ends: 15 [2018-11-28 18:17:59,823 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:17:59,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:17:59,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:17:59,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:17:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:17:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:17:59,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-28 18:17:59,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:17:59,827 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:17:59,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:17:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:17:59,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:17:59,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:18:01,917 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 18:18:06,035 WARN L180 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 30 [2018-11-28 18:18:10,143 WARN L180 SmtUtils]: Spent 4.10 s on a formula simplification that was a NOOP. DAG size: 30 [2018-11-28 18:18:10,145 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:18:10,146 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:18:10,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:18:10,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:18:10,146 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) [2018-11-28 18:18:10,146 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:18:10,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:18:10,147 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 23) no Hoare annotation was computed. [2018-11-28 18:18:10,147 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-11-28 18:18:10,147 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 23) no Hoare annotation was computed. [2018-11-28 18:18:10,147 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-11-28 18:18:10,147 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 8 23) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (or (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= .cse0 (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= (select |old(#memory_int)| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))))) (not (= (select |old(#memory_int)| |~#x~0.base|) .cse0)) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-11-28 18:18:10,148 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-28 18:18:10,148 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-11-28 18:18:10,148 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-11-28 18:18:10,148 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-11-28 18:18:10,149 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (or (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= .cse0 (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= (select |old(#memory_int)| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))))) (not (= (select |old(#memory_int)| |~#x~0.base|) .cse0)) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-11-28 18:18:10,149 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2018-11-28 18:18:10,153 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-28 18:18:10,156 INFO L168 Benchmark]: Toolchain (without parser) took 16892.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -78.6 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:10,157 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:18:10,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:10,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.95 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:10,161 INFO L168 Benchmark]: Boogie Preprocessor took 34.72 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:18:10,162 INFO L168 Benchmark]: RCFGBuilder took 623.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:10,163 INFO L168 Benchmark]: TraceAbstraction took 15837.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:18:10,169 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.18 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 29.95 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.72 ms. Allocated memory is still 1.0 GB. Free memory is still 935.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 623.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15837.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...