./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer --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 fffaea79f968c931abbf923bf574b15b9c605c6a .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer --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 fffaea79f968c931abbf923bf574b15b9c605c6a ..................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-08 08:07:10,298 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:07:10,299 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:07:10,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:07:10,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:07:10,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:07:10,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:07:10,308 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:07:10,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:07:10,309 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:07:10,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:07:10,310 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:07:10,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:07:10,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:07:10,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:07:10,312 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:07:10,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:07:10,313 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:07:10,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:07:10,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:07:10,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:07:10,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:07:10,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:07:10,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:07:10,318 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:07:10,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:07:10,318 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:07:10,319 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:07:10,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:07:10,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:07:10,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:07:10,320 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:07:10,321 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:07:10,321 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:07:10,321 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:07:10,322 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:07:10,322 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 08:07:10,329 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:07:10,329 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:07:10,330 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:07:10,330 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:07:10,330 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:07:10,330 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:07:10,331 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:07:10,331 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 08:07:10,332 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:07:10,332 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 08:07:10,332 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:07:10,333 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:07:10,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 08:07:10,333 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer 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 -> fffaea79f968c931abbf923bf574b15b9c605c6a [2018-12-08 08:07:10,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:07:10,361 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:07:10,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:07:10,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:07:10,365 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:07:10,365 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-12-08 08:07:10,410 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/caf5ced74/59f72007af9e4627b5e7afecacea15eb/FLAG749a1a224 [2018-12-08 08:07:10,829 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:07:10,829 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-12-08 08:07:10,832 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/caf5ced74/59f72007af9e4627b5e7afecacea15eb/FLAG749a1a224 [2018-12-08 08:07:10,840 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/caf5ced74/59f72007af9e4627b5e7afecacea15eb [2018-12-08 08:07:10,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:07:10,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:07:10,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:07:10,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:07:10,845 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:07:10,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:10,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5663953f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10, skipping insertion in model container [2018-12-08 08:07:10,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:10,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:07:10,860 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:07:10,944 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:07:10,956 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:07:10,966 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:07:10,980 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:07:10,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10 WrapperNode [2018-12-08 08:07:10,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:07:10,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:07:10,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:07:10,981 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:07:10,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:10,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:10,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:07:10,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:07:10,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:07:10,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:07:11,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:11,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:11,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:11,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:11,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:11,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:11,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... [2018-12-08 08:07:11,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:07:11,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:07:11,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:07:11,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:07:11,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:07:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 08:07:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 08:07:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 08:07:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:07:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:07:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:07:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 08:07:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 08:07:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 08:07:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 08:07:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 08:07:11,174 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:07:11,174 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 08:07:11,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:07:11 BoogieIcfgContainer [2018-12-08 08:07:11,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:07:11,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:07:11,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:07:11,178 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:07:11,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:07:10" (1/3) ... [2018-12-08 08:07:11,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:07:11, skipping insertion in model container [2018-12-08 08:07:11,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:10" (2/3) ... [2018-12-08 08:07:11,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:07:11, skipping insertion in model container [2018-12-08 08:07:11,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:07:11" (3/3) ... [2018-12-08 08:07:11,181 INFO L112 eAbstractionObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2018-12-08 08:07:11,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:07:11,195 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 08:07:11,206 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 08:07:11,223 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:07:11,224 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:07:11,224 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 08:07:11,224 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:07:11,224 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:07:11,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:07:11,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:07:11,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:07:11,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:07:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-08 08:07:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 08:07:11,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:07:11,238 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:07:11,240 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:07:11,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:07:11,243 INFO L82 PathProgramCache]: Analyzing trace with hash -91485938, now seen corresponding path program 1 times [2018-12-08 08:07:11,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:07:11,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:07:11,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:07:11,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:07:11,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:07:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:07:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:07:11,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:07:11,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 08:07:11,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 08:07:11,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 08:07:11,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 08:07:11,341 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-12-08 08:07:11,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:07:11,353 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2018-12-08 08:07:11,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 08:07:11,354 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-12-08 08:07:11,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:07:11,358 INFO L225 Difference]: With dead ends: 38 [2018-12-08 08:07:11,359 INFO L226 Difference]: Without dead ends: 16 [2018-12-08 08:07:11,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 08:07:11,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-08 08:07:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-08 08:07:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-08 08:07:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-12-08 08:07:11,382 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-12-08 08:07:11,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:07:11,382 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-12-08 08:07:11,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 08:07:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-12-08 08:07:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 08:07:11,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:07:11,383 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:07:11,383 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:07:11,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:07:11,383 INFO L82 PathProgramCache]: Analyzing trace with hash 883179888, now seen corresponding path program 1 times [2018-12-08 08:07:11,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:07:11,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:07:11,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:07:11,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:07:11,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:07:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:07:11,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:07:11,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:07:11,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 08:07:11,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 08:07:11,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:07:11,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:07:11,424 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-12-08 08:07:11,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:07:11,442 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-12-08 08:07:11,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:07:11,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-12-08 08:07:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:07:11,443 INFO L225 Difference]: With dead ends: 26 [2018-12-08 08:07:11,443 INFO L226 Difference]: Without dead ends: 18 [2018-12-08 08:07:11,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:07:11,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-08 08:07:11,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-12-08 08:07:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-08 08:07:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-12-08 08:07:11,446 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2018-12-08 08:07:11,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:07:11,446 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-12-08 08:07:11,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 08:07:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-12-08 08:07:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:07:11,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:07:11,447 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:07:11,447 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:07:11,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:07:11,447 INFO L82 PathProgramCache]: Analyzing trace with hash 975532875, now seen corresponding path program 1 times [2018-12-08 08:07:11,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:07:11,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:07:11,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:07:11,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:07:11,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:07:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:07:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:07:11,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:07:11,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 08:07:11,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:07:11,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:07:11,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:07:11,534 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 6 states. [2018-12-08 08:07:11,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:07:11,557 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-12-08 08:07:11,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:07:11,557 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-12-08 08:07:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:07:11,558 INFO L225 Difference]: With dead ends: 18 [2018-12-08 08:07:11,558 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 08:07:11,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:07:11,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 08:07:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 08:07:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 08:07:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 08:07:11,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-12-08 08:07:11,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:07:11,559 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:07:11,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:07:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 08:07:11,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 08:07:11,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 08:07:11,607 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:07:11,608 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 08:07:11,608 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:07:11,608 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:07:11,608 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= |~#x~0.base| |~#y~0.base|)) (= ~i~0 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |~#x~0.base|))) [2018-12-08 08:07:11,608 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 08:07:11,608 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:07:11,608 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2018-12-08 08:07:11,608 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 14 29) no Hoare annotation was computed. [2018-12-08 08:07:11,608 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 14 29) no Hoare annotation was computed. [2018-12-08 08:07:11,608 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 14 29) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (= |~#y~0.base| |~#x~0.base|))) [2018-12-08 08:07:11,608 INFO L444 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (not (= 0 |old(~i~0)|)) (not (= ((as const (Array Int Int)) 0) (select |old(#memory_int)| |~#x~0.base|))) (= |~#y~0.base| |~#x~0.base|)) [2018-12-08 08:07:11,608 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 26) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L444 ceAbstractionStarter]: At program point L18-3(lines 18 21) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (= |~#y~0.base| |~#x~0.base|))) [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-12-08 08:07:11,609 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-12-08 08:07:11,611 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-08 08:07:11,613 INFO L168 Benchmark]: Toolchain (without parser) took 770.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:11,614 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:07:11,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.21 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:11,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.91 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:11,615 INFO L168 Benchmark]: Boogie Preprocessor took 43.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.2 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:11,615 INFO L168 Benchmark]: RCFGBuilder took 136.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:11,615 INFO L168 Benchmark]: TraceAbstraction took 436.90 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:11,617 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.21 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 13.91 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.2 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 136.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 436.90 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: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 08:07:12,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:07:12,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:07:13,002 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:07:13,002 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:07:13,003 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:07:13,004 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:07:13,005 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:07:13,006 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:07:13,007 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:07:13,007 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:07:13,007 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:07:13,008 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:07:13,009 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:07:13,010 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:07:13,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:07:13,011 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:07:13,012 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:07:13,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:07:13,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:07:13,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:07:13,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:07:13,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:07:13,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:07:13,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:07:13,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:07:13,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:07:13,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:07:13,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:07:13,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:07:13,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:07:13,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:07:13,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:07:13,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:07:13,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:07:13,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:07:13,024 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 08:07:13,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:07:13,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:07:13,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:07:13,035 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:07:13,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:07:13,036 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:07:13,036 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:07:13,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:07:13,036 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:07:13,036 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:07:13,036 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:07:13,037 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 08:07:13,038 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:07:13,038 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:07:13,038 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:07:13,038 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:07:13,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:07:13,038 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:07:13,038 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:07:13,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 08:07:13,038 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 08:07:13,039 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:07:13,039 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 08:07:13,039 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 08:07:13,039 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer 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 -> fffaea79f968c931abbf923bf574b15b9c605c6a [2018-12-08 08:07:13,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:07:13,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:07:13,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:07:13,071 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:07:13,071 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:07:13,072 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-12-08 08:07:13,107 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/0a412b344/b71eab76548149a7a4481e4a9d80b7fb/FLAGddb9168e8 [2018-12-08 08:07:13,446 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:07:13,446 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-12-08 08:07:13,450 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/0a412b344/b71eab76548149a7a4481e4a9d80b7fb/FLAGddb9168e8 [2018-12-08 08:07:13,840 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/data/0a412b344/b71eab76548149a7a4481e4a9d80b7fb [2018-12-08 08:07:13,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:07:13,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 08:07:13,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:07:13,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:07:13,850 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:07:13,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:13,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63407dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13, skipping insertion in model container [2018-12-08 08:07:13,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:13,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:07:13,865 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:07:13,951 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:07:13,966 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:07:13,977 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:07:13,991 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:07:13,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13 WrapperNode [2018-12-08 08:07:13,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:07:13,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 08:07:13,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 08:07:13,992 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 08:07:13,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 08:07:14,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:07:14,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:07:14,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:07:14,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... [2018-12-08 08:07:14,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:07:14,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:07:14,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:07:14,022 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:07:14,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:07:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 08:07:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 08:07:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:07:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-08 08:07:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:07:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:07:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 08:07:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 08:07:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 08:07:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 08:07:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-08 08:07:14,199 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:07:14,199 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 08:07:14,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:07:14 BoogieIcfgContainer [2018-12-08 08:07:14,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:07:14,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:07:14,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:07:14,201 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:07:14,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:07:13" (1/3) ... [2018-12-08 08:07:14,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca97d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:07:14, skipping insertion in model container [2018-12-08 08:07:14,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:07:13" (2/3) ... [2018-12-08 08:07:14,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca97d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:07:14, skipping insertion in model container [2018-12-08 08:07:14,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:07:14" (3/3) ... [2018-12-08 08:07:14,203 INFO L112 eAbstractionObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2018-12-08 08:07:14,209 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:07:14,212 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 08:07:14,221 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 08:07:14,237 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:07:14,237 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:07:14,238 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 08:07:14,238 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:07:14,238 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:07:14,238 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:07:14,238 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:07:14,238 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:07:14,238 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:07:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-12-08 08:07:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 08:07:14,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:07:14,250 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:07:14,251 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:07:14,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:07:14,254 INFO L82 PathProgramCache]: Analyzing trace with hash -91485938, now seen corresponding path program 1 times [2018-12-08 08:07:14,256 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:07:14,257 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:07:14,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:07:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:07:14,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:07:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:07:14,323 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:07:14,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:07:14,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 08:07:14,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 08:07:14,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 08:07:14,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 08:07:14,336 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-12-08 08:07:14,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:07:14,347 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2018-12-08 08:07:14,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 08:07:14,348 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-12-08 08:07:14,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:07:14,352 INFO L225 Difference]: With dead ends: 38 [2018-12-08 08:07:14,353 INFO L226 Difference]: Without dead ends: 16 [2018-12-08 08:07:14,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 08:07:14,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-12-08 08:07:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-12-08 08:07:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-08 08:07:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-12-08 08:07:14,374 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-12-08 08:07:14,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:07:14,374 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-12-08 08:07:14,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 08:07:14,374 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-12-08 08:07:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 08:07:14,374 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:07:14,375 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:07:14,375 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:07:14,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:07:14,375 INFO L82 PathProgramCache]: Analyzing trace with hash 883179888, now seen corresponding path program 1 times [2018-12-08 08:07:14,375 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:07:14,375 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:07:14,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:07:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:07:14,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:07:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:07:14,439 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:07:14,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:07:14,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 08:07:14,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 08:07:14,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:07:14,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:07:14,442 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-12-08 08:07:14,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:07:14,465 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-12-08 08:07:14,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:07:14,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-12-08 08:07:14,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:07:14,466 INFO L225 Difference]: With dead ends: 26 [2018-12-08 08:07:14,466 INFO L226 Difference]: Without dead ends: 18 [2018-12-08 08:07:14,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:07:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-08 08:07:14,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-12-08 08:07:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-08 08:07:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-12-08 08:07:14,469 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2018-12-08 08:07:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:07:14,470 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-12-08 08:07:14,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 08:07:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-12-08 08:07:14,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:07:14,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:07:14,470 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:07:14,470 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 08:07:14,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:07:14,471 INFO L82 PathProgramCache]: Analyzing trace with hash 975532875, now seen corresponding path program 1 times [2018-12-08 08:07:14,471 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:07:14,471 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb395593-0a5a-4611-8798-1219a87d1e43/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:07:14,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:07:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:07:14,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:07:14,555 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-12-08 08:07:14,566 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2018-12-08 08:07:14,566 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 08:07:14,573 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:07:14,580 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2018-12-08 08:07:14,583 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 08:07:14,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-12-08 08:07:14,585 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 08:07:14,605 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:07:14,614 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 08:07:14,614 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2018-12-08 08:07:15,959 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 14 [2018-12-08 08:07:15,972 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 08:07:15,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2018-12-08 08:07:15,974 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:07:15,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 08:07:15,979 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2018-12-08 08:07:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:07:15,987 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:07:15,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:07:15,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:07:15,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:07:15,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:07:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:07:15,989 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 4 states. [2018-12-08 08:07:18,007 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-08 08:07:18,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:07:18,008 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-12-08 08:07:18,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:07:18,008 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-12-08 08:07:18,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:07:18,009 INFO L225 Difference]: With dead ends: 18 [2018-12-08 08:07:18,009 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 08:07:18,009 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:07:18,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 08:07:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 08:07:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 08:07:18,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 08:07:18,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-12-08 08:07:18,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:07:18,010 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 08:07:18,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:07:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 08:07:18,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 08:07:18,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 08:07:20,051 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2018-12-08 08:07:23,733 WARN L180 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-08 08:07:27,465 WARN L180 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-08 08:07:29,083 WARN L180 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 18 [2018-12-08 08:07:29,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:07:29,085 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 08:07:29,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:07:29,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 08:07:29,085 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) [2018-12-08 08:07:29,085 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 08:07:29,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 08:07:29,086 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2018-12-08 08:07:29,086 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 14 29) no Hoare annotation was computed. [2018-12-08 08:07:29,086 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 14 29) no Hoare annotation was computed. [2018-12-08 08:07:29,086 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 14 29) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (or (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= .cse0 (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= (select |old(#memory_int)| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))))) (not (= (select |old(#memory_int)| |~#x~0.base|) .cse0)) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-12-08 08:07:29,086 INFO L444 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= (select |old(#memory_int)| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))))) (not (= (select |old(#memory_int)| |~#x~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (not (= (_ bv0 32) |old(~i~0)|))) [2018-12-08 08:07:29,086 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-08 08:07:29,086 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 24 26) no Hoare annotation was computed. [2018-12-08 08:07:29,086 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2018-12-08 08:07:29,087 INFO L444 ceAbstractionStarter]: At program point L18-3(lines 18 21) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (or (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= .cse0 (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= (select |old(#memory_int)| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))))) (not (= (select |old(#memory_int)| |~#x~0.base|) .cse0)) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-12-08 08:07:29,087 INFO L448 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2018-12-08 08:07:29,087 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-12-08 08:07:29,087 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-12-08 08:07:29,087 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-12-08 08:07:29,087 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-12-08 08:07:29,087 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-12-08 08:07:29,087 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-12-08 08:07:29,089 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-08 08:07:29,091 INFO L168 Benchmark]: Toolchain (without parser) took 15247.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -65.2 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:29,091 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:07:29,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.56 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:29,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.28 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:29,092 INFO L168 Benchmark]: Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:07:29,092 INFO L168 Benchmark]: RCFGBuilder took 176.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:29,093 INFO L168 Benchmark]: TraceAbstraction took 14890.96 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: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. [2018-12-08 08:07:29,094 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 145.56 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 14.28 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 176.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -170.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14890.96 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: 89.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...