./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 0ed9222f 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 0.1.24-0ed9222-m [2019-01-12 10:51:41,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 10:51:41,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 10:51:41,359 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 10:51:41,360 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 10:51:41,363 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 10:51:41,364 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 10:51:41,367 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 10:51:41,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 10:51:41,371 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 10:51:41,372 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 10:51:41,372 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 10:51:41,373 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 10:51:41,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 10:51:41,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 10:51:41,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 10:51:41,377 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 10:51:41,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 10:51:41,380 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 10:51:41,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 10:51:41,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 10:51:41,384 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 10:51:41,387 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 10:51:41,387 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 10:51:41,387 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 10:51:41,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 10:51:41,389 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 10:51:41,390 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 10:51:41,390 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 10:51:41,392 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 10:51:41,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 10:51:41,392 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 10:51:41,393 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 10:51:41,393 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 10:51:41,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 10:51:41,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 10:51:41,395 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 10:51:41,410 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 10:51:41,410 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 10:51:41,411 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 10:51:41,411 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 10:51:41,411 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 10:51:41,412 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 10:51:41,412 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 10:51:41,412 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 10:51:41,412 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 10:51:41,412 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 10:51:41,413 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 10:51:41,413 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 10:51:41,413 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 10:51:41,413 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 10:51:41,413 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 10:51:41,413 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 10:51:41,414 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 10:51:41,416 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 10:51:41,416 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 10:51:41,416 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 10:51:41,416 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 10:51:41,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 10:51:41,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 10:51:41,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 10:51:41,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 10:51:41,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 10:51:41,417 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 10:51:41,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 10:51:41,418 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 [2019-01-12 10:51:41,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 10:51:41,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 10:51:41,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 10:51:41,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 10:51:41,500 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 10:51:41,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2019-01-12 10:51:41,564 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bde55eec/856183ed68644057a804127a9a106f1d/FLAGc7d074925 [2019-01-12 10:51:41,973 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 10:51:41,974 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2019-01-12 10:51:41,978 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bde55eec/856183ed68644057a804127a9a106f1d/FLAGc7d074925 [2019-01-12 10:51:42,325 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bde55eec/856183ed68644057a804127a9a106f1d [2019-01-12 10:51:42,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 10:51:42,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 10:51:42,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:42,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 10:51:42,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 10:51:42,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341a16df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42, skipping insertion in model container [2019-01-12 10:51:42,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 10:51:42,370 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 10:51:42,590 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:42,639 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 10:51:42,658 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:42,685 INFO L195 MainTranslator]: Completed translation [2019-01-12 10:51:42,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42 WrapperNode [2019-01-12 10:51:42,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:42,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:42,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 10:51:42,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 10:51:42,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:42,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 10:51:42,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 10:51:42,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 10:51:42,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (1/1) ... [2019-01-12 10:51:42,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 10:51:42,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 10:51:42,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 10:51:42,809 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 10:51:42,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (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 [2019-01-12 10:51:42,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 10:51:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 10:51:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 10:51:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 10:51:42,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 10:51:43,203 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 10:51:43,203 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-12 10:51:43,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:43 BoogieIcfgContainer [2019-01-12 10:51:43,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 10:51:43,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 10:51:43,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 10:51:43,209 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 10:51:43,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:51:42" (1/3) ... [2019-01-12 10:51:43,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4255c83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:43, skipping insertion in model container [2019-01-12 10:51:43,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:42" (2/3) ... [2019-01-12 10:51:43,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4255c83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:43, skipping insertion in model container [2019-01-12 10:51:43,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:43" (3/3) ... [2019-01-12 10:51:43,214 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2019-01-12 10:51:43,222 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 10:51:43,228 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 10:51:43,245 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 10:51:43,276 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 10:51:43,277 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 10:51:43,277 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 10:51:43,277 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 10:51:43,278 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 10:51:43,278 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 10:51:43,278 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 10:51:43,278 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 10:51:43,278 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 10:51:43,293 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-01-12 10:51:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-12 10:51:43,299 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:43,300 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:43,303 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:43,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:43,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2019-01-12 10:51:43,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 10:51:43,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 10:51:43,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:43,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:43,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:43,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:43,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 10:51:43,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 10:51:43,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 10:51:43,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 10:51:43,454 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-01-12 10:51:43,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:43,467 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2019-01-12 10:51:43,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 10:51:43,468 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-01-12 10:51:43,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:43,479 INFO L225 Difference]: With dead ends: 22 [2019-01-12 10:51:43,479 INFO L226 Difference]: Without dead ends: 9 [2019-01-12 10:51:43,482 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 [2019-01-12 10:51:43,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-12 10:51:43,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-12 10:51:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-12 10:51:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-12 10:51:43,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-01-12 10:51:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:43,519 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-12 10:51:43,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 10:51:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-12 10:51:43,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 10:51:43,520 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:43,521 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:43,521 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:43,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:43,522 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2019-01-12 10:51:43,522 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 10:51:43,522 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 10:51:43,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:43,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:43,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:43,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:43,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 10:51:43,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 10:51:43,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 10:51:43,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 10:51:43,644 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2019-01-12 10:51:43,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:43,792 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-01-12 10:51:43,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 10:51:43,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-01-12 10:51:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:43,794 INFO L225 Difference]: With dead ends: 16 [2019-01-12 10:51:43,794 INFO L226 Difference]: Without dead ends: 11 [2019-01-12 10:51:43,795 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 [2019-01-12 10:51:43,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-12 10:51:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-12 10:51:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-12 10:51:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-01-12 10:51:43,799 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-01-12 10:51:43,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:43,800 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-01-12 10:51:43,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 10:51:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-01-12 10:51:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 10:51:43,801 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:43,801 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:43,802 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:43,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:43,802 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2019-01-12 10:51:43,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 10:51:43,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 10:51:43,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:43,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:43,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:44,099 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2019-01-12 10:51:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:44,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:44,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 10:51:44,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 10:51:44,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 10:51:44,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 10:51:44,192 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 5 states. [2019-01-12 10:51:44,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:44,286 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-01-12 10:51:44,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 10:51:44,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-01-12 10:51:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:44,288 INFO L225 Difference]: With dead ends: 11 [2019-01-12 10:51:44,288 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 10:51:44,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-01-12 10:51:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 10:51:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 10:51:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 10:51:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 10:51:44,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-01-12 10:51:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:44,290 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 10:51:44,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 10:51:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 10:51:44,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 10:51:44,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 10:51:44,359 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 10:51:44,360 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2019-01-12 10:51:44,360 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 10:51:44,360 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 10:51:44,360 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 10:51:44,361 INFO L451 ceAbstractionStarter]: At program point L22(lines 8 23) the Hoare annotation is: true [2019-01-12 10:51:44,361 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-01-12 10:51:44,361 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2019-01-12 10:51:44,361 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2019-01-12 10:51:44,361 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2019-01-12 10:51:44,361 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) 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|))) [2019-01-12 10:51:44,362 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2019-01-12 10:51:44,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2019-01-12 10:51:44,368 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.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) [2019-01-12 10:51:44,375 INFO L168 Benchmark]: Toolchain (without parser) took 2045.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:44,377 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-01-12 10:51:44,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.47 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. [2019-01-12 10:51:44,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.01 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:44,379 INFO L168 Benchmark]: Boogie Preprocessor took 83.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:44,380 INFO L168 Benchmark]: RCFGBuilder took 395.68 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:44,381 INFO L168 Benchmark]: TraceAbstraction took 1164.15 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:44,386 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 353.47 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 38.01 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 395.68 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1164.15 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: 40.0 MB). Peak memory consumption was 40.0 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 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - 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 0.1.24-0ed9222-m [2019-01-12 10:51:46,550 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 10:51:46,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 10:51:46,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 10:51:46,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 10:51:46,564 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 10:51:46,566 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 10:51:46,568 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 10:51:46,570 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 10:51:46,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 10:51:46,571 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 10:51:46,572 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 10:51:46,573 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 10:51:46,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 10:51:46,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 10:51:46,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 10:51:46,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 10:51:46,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 10:51:46,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 10:51:46,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 10:51:46,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 10:51:46,602 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 10:51:46,604 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 10:51:46,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 10:51:46,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 10:51:46,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 10:51:46,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 10:51:46,610 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 10:51:46,610 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 10:51:46,611 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 10:51:46,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 10:51:46,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 10:51:46,616 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 10:51:46,616 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 10:51:46,619 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 10:51:46,620 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 10:51:46,621 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 10:51:46,650 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 10:51:46,651 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 10:51:46,652 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 10:51:46,652 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 10:51:46,653 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 10:51:46,653 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 10:51:46,653 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 10:51:46,653 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 10:51:46,653 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 10:51:46,654 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 10:51:46,655 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 10:51:46,655 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 10:51:46,655 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 10:51:46,655 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 10:51:46,656 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 10:51:46,656 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 10:51:46,656 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 10:51:46,656 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 10:51:46,656 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 10:51:46,656 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 10:51:46,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 10:51:46,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 10:51:46,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 10:51:46,658 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 10:51:46,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 10:51:46,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 10:51:46,659 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 10:51:46,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 10:51:46,659 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 10:51:46,659 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 10:51:46,660 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 [2019-01-12 10:51:46,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 10:51:46,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 10:51:46,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 10:51:46,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 10:51:46,744 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 10:51:46,745 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2019-01-12 10:51:46,798 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be3646af4/82606ee84a7a4dfcbf174244b70edc60/FLAG6c123f58b [2019-01-12 10:51:47,237 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 10:51:47,238 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2019-01-12 10:51:47,243 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be3646af4/82606ee84a7a4dfcbf174244b70edc60/FLAG6c123f58b [2019-01-12 10:51:47,641 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be3646af4/82606ee84a7a4dfcbf174244b70edc60 [2019-01-12 10:51:47,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 10:51:47,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 10:51:47,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:47,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 10:51:47,654 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 10:51:47,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:47" (1/1) ... [2019-01-12 10:51:47,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e85a5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:47, skipping insertion in model container [2019-01-12 10:51:47,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:47" (1/1) ... [2019-01-12 10:51:47,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 10:51:47,687 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 10:51:47,904 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:47,959 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 10:51:47,982 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:48,016 INFO L195 MainTranslator]: Completed translation [2019-01-12 10:51:48,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48 WrapperNode [2019-01-12 10:51:48,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:48,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:48,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 10:51:48,018 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 10:51:48,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:48,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 10:51:48,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 10:51:48,067 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 10:51:48,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 10:51:48,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 10:51:48,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 10:51:48,170 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 10:51:48,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (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 [2019-01-12 10:51:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-12 10:51:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 10:51:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 10:51:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-12 10:51:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 10:51:48,580 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 10:51:48,580 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-12 10:51:48,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:48 BoogieIcfgContainer [2019-01-12 10:51:48,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 10:51:48,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 10:51:48,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 10:51:48,586 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 10:51:48,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:51:47" (1/3) ... [2019-01-12 10:51:48,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297f51d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:48, skipping insertion in model container [2019-01-12 10:51:48,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48" (2/3) ... [2019-01-12 10:51:48,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297f51d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:48, skipping insertion in model container [2019-01-12 10:51:48,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:48" (3/3) ... [2019-01-12 10:51:48,589 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2019-01-12 10:51:48,600 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 10:51:48,607 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 10:51:48,623 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 10:51:48,653 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 10:51:48,654 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 10:51:48,654 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 10:51:48,654 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 10:51:48,654 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 10:51:48,654 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 10:51:48,654 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 10:51:48,655 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 10:51:48,655 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 10:51:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-01-12 10:51:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-01-12 10:51:48,674 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:48,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:48,677 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:48,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:48,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2019-01-12 10:51:48,688 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-12 10:51:48,689 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 [2019-01-12 10:51:48,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:48,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 10:51:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:48,776 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 10:51:48,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:48,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 10:51:48,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 10:51:48,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 10:51:48,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 10:51:48,801 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-01-12 10:51:48,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:48,816 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2019-01-12 10:51:48,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 10:51:48,817 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-01-12 10:51:48,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:48,827 INFO L225 Difference]: With dead ends: 22 [2019-01-12 10:51:48,827 INFO L226 Difference]: Without dead ends: 9 [2019-01-12 10:51:48,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 10:51:48,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-01-12 10:51:48,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-01-12 10:51:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-01-12 10:51:48,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-01-12 10:51:48,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-01-12 10:51:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:48,862 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-01-12 10:51:48,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 10:51:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-01-12 10:51:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 10:51:48,863 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:48,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:48,863 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:48,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:48,864 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2019-01-12 10:51:48,864 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-12 10:51:48,865 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 [2019-01-12 10:51:48,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:48,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 10:51:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:48,972 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 10:51:48,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:48,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 10:51:48,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 10:51:48,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 10:51:48,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 10:51:48,977 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2019-01-12 10:51:49,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:49,085 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-01-12 10:51:49,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 10:51:49,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-01-12 10:51:49,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:49,087 INFO L225 Difference]: With dead ends: 16 [2019-01-12 10:51:49,087 INFO L226 Difference]: Without dead ends: 11 [2019-01-12 10:51:49,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 10:51:49,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-01-12 10:51:49,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-01-12 10:51:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-12 10:51:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-01-12 10:51:49,091 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-01-12 10:51:49,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:49,092 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-01-12 10:51:49,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 10:51:49,092 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-01-12 10:51:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 10:51:49,092 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:49,093 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:49,093 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:49,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:49,093 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2019-01-12 10:51:49,094 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-12 10:51:49,094 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 [2019-01-12 10:51:49,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:49,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 10:51:49,196 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 [2019-01-12 10:51:49,253 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 [2019-01-12 10:51:49,254 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-12 10:51:49,266 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 10:51:49,286 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 [2019-01-12 10:51:49,313 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 10:51:49,314 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 [2019-01-12 10:51:49,315 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-12 10:51:49,413 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-12 10:51:49,501 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. [2019-01-12 10:51:49,502 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2019-01-12 10:51:51,551 WARN L181 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 14 [2019-01-12 10:51:51,568 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 10:51:51,570 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 [2019-01-12 10:51:51,571 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-12 10:51:51,641 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. [2019-01-12 10:51:51,641 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2019-01-12 10:51:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:51,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 10:51:51,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:51,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 10:51:51,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 10:51:51,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 10:51:51,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 10:51:51,720 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2019-01-12 10:51:53,790 WARN L181 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 22 [2019-01-12 10:51:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:53,792 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-01-12 10:51:53,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 10:51:53,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-01-12 10:51:53,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:53,793 INFO L225 Difference]: With dead ends: 11 [2019-01-12 10:51:53,793 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 10:51:53,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 10:51:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 10:51:53,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 10:51:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 10:51:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 10:51:53,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-01-12 10:51:53,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:53,795 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 10:51:53,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 10:51:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 10:51:53,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 10:51:53,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 10:51:55,904 WARN L181 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-12 10:51:55,906 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 10:51:55,907 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2019-01-12 10:51:55,908 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 10:51:55,908 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 10:51:55,908 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 10:51:55,908 INFO L451 ceAbstractionStarter]: At program point L22(lines 8 23) the Hoare annotation is: true [2019-01-12 10:51:55,908 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-01-12 10:51:55,908 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2019-01-12 10:51:55,909 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2019-01-12 10:51:55,909 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2019-01-12 10:51:55,909 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) 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)) [2019-01-12 10:51:55,909 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2019-01-12 10:51:55,909 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2019-01-12 10:51:55,916 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.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) [2019-01-12 10:51:55,919 INFO L168 Benchmark]: Toolchain (without parser) took 8272.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -95.0 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:55,921 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. [2019-01-12 10:51:55,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.62 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:55,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.31 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 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. [2019-01-12 10:51:55,925 INFO L168 Benchmark]: Boogie Preprocessor took 102.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:55,926 INFO L168 Benchmark]: RCFGBuilder took 412.36 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:55,926 INFO L168 Benchmark]: TraceAbstraction took 7335.72 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: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:55,939 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 367.62 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 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 48.31 ms. Allocated memory is still 1.0 GB. Free memory was 935.3 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. * Boogie Preprocessor took 102.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 412.36 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: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7335.72 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: 62.6 MB). Peak memory consumption was 62.6 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 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - 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...