./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/nec40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 1154acb41caa49c0da18a0d5cc92ede9101ff854 ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 1154acb41caa49c0da18a0d5cc92ede9101ff854 ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:20:51,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:20:51,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:20:51,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:20:51,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:20:51,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:20:51,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:20:51,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:20:51,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:20:51,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:20:51,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:20:51,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:20:51,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:20:51,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:20:51,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:20:51,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:20:51,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:20:51,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:20:51,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:20:51,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:20:51,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:20:51,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:20:51,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:20:51,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:20:51,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:20:51,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:20:51,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:20:51,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:20:51,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:20:51,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:20:51,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:20:51,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:20:51,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:20:51,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:20:51,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:20:51,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:20:51,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:20:51,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:20:51,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:20:51,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:20:51,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:20:51,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:20:51,329 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:20:51,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:20:51,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:20:51,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:20:51,331 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:20:51,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:20:51,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:20:51,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:20:51,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:20:51,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:20:51,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:20:51,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:20:51,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:20:51,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:20:51,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:20:51,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:20:51,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:20:51,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:20:51,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:20:51,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:20:51,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:20:51,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:20:51,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:20:51,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:20:51,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:20:51,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:20:51,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:20:51,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:20:51,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 -> 1154acb41caa49c0da18a0d5cc92ede9101ff854 [2019-11-15 23:20:51,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:20:51,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:20:51,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:20:51,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:20:51,413 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:20:51,415 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/../../sv-benchmarks/c/loops/nec40.c [2019-11-15 23:20:51,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/c4daad97a/eb0ce781591a4ec9b18d090ee3b7ac3b/FLAG7b24c836e [2019-11-15 23:20:51,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:20:51,890 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/sv-benchmarks/c/loops/nec40.c [2019-11-15 23:20:51,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/c4daad97a/eb0ce781591a4ec9b18d090ee3b7ac3b/FLAG7b24c836e [2019-11-15 23:20:52,268 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/c4daad97a/eb0ce781591a4ec9b18d090ee3b7ac3b [2019-11-15 23:20:52,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:20:52,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:20:52,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:20:52,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:20:52,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:20:52,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d9e132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52, skipping insertion in model container [2019-11-15 23:20:52,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,289 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:20:52,302 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:20:52,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:20:52,558 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:20:52,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:20:52,608 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:20:52,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52 WrapperNode [2019-11-15 23:20:52,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:20:52,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:20:52,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:20:52,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:20:52,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:20:52,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:20:52,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:20:52,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:20:52,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... [2019-11-15 23:20:52,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:20:52,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:20:52,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:20:52,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:20:52,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 [2019-11-15 23:20:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:20:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:20:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:20:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:20:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:20:52,998 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:20:52,998 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:20:53,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:20:52 BoogieIcfgContainer [2019-11-15 23:20:53,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:20:53,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:20:53,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:20:53,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:20:53,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:20:52" (1/3) ... [2019-11-15 23:20:53,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d50a2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:20:53, skipping insertion in model container [2019-11-15 23:20:53,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:52" (2/3) ... [2019-11-15 23:20:53,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d50a2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:20:53, skipping insertion in model container [2019-11-15 23:20:53,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:20:52" (3/3) ... [2019-11-15 23:20:53,015 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-11-15 23:20:53,025 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:20:53,032 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:20:53,051 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:20:53,087 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:20:53,087 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:20:53,087 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:20:53,089 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:20:53,089 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:20:53,090 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:20:53,090 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:20:53,090 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:20:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-15 23:20:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-15 23:20:53,117 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:53,118 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:53,120 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:53,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:53,127 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-11-15 23:20:53,136 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:53,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249039992] [2019-11-15 23:20:53,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:53,137 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:53,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:53,255 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249039992] [2019-11-15 23:20:53,256 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:20:53,256 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 23:20:53,257 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077653258] [2019-11-15 23:20:53,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:20:53,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:53,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:20:53,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:20:53,274 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-15 23:20:53,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:53,291 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-15 23:20:53,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:20:53,292 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-15 23:20:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:53,302 INFO L225 Difference]: With dead ends: 24 [2019-11-15 23:20:53,302 INFO L226 Difference]: Without dead ends: 10 [2019-11-15 23:20:53,305 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:20:53,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-15 23:20:53,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-15 23:20:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-15 23:20:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-15 23:20:53,342 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-15 23:20:53,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:53,344 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-15 23:20:53,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:20:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-15 23:20:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 23:20:53,345 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:53,345 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:53,346 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:53,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:53,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-11-15 23:20:53,347 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:53,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919976797] [2019-11-15 23:20:53,348 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:53,348 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:53,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:53,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919976797] [2019-11-15 23:20:53,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:20:53,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:20:53,432 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913136105] [2019-11-15 23:20:53,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:20:53,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:20:53,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:20:53,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:20:53,434 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-11-15 23:20:53,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:53,472 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-15 23:20:53,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:20:53,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-15 23:20:53,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:53,473 INFO L225 Difference]: With dead ends: 18 [2019-11-15 23:20:53,474 INFO L226 Difference]: Without dead ends: 12 [2019-11-15 23:20:53,475 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:20:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-15 23:20:53,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-15 23:20:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 23:20:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-15 23:20:53,478 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-11-15 23:20:53,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:53,478 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-15 23:20:53,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:20:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-15 23:20:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:20:53,479 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:53,480 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:53,480 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:53,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:53,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-11-15 23:20:53,480 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:20:53,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143541291] [2019-11-15 23:20:53,481 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:53,481 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:20:53,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:20:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:53,562 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1186) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:574) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 23:20:53,567 INFO L168 Benchmark]: Toolchain (without parser) took 1294.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 533.4 kB. Max. memory is 11.5 GB. [2019-11-15 23:20:53,568 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:20:53,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:20:53,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:20:53,570 INFO L168 Benchmark]: Boogie Preprocessor took 27.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:20:53,571 INFO L168 Benchmark]: RCFGBuilder took 326.87 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:20:53,572 INFO L168 Benchmark]: TraceAbstraction took 564.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:20:53,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 326.87 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 564.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 23:20:55,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:20:55,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:20:55,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-15 23:20:56,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:20:56,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:20:56,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:20:56,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:20:56,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:20:56,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:20:56,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:20:56,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:20:56,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:20:56,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:20:56,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:20:56,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 23:20:56,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:20:56,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:20:56,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:20:56,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:20:56,044 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:20:56,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:20:56,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:20:56,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:20:56,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:20:56,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:20:56,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:20:56,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:20:56,047 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 23:20:56,047 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 23:20:56,047 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:20:56,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:20:56,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:20:56,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:20:56,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:20:56,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:20:56,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:20:56,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:20:56,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:20:56,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:20:56,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:20:56,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:20:56,051 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 23:20:56,051 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 23:20:56,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:20:56,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 23:20:56,052 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 -> 1154acb41caa49c0da18a0d5cc92ede9101ff854 [2019-11-15 23:20:56,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:20:56,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:20:56,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:20:56,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:20:56,109 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:20:56,110 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/../../sv-benchmarks/c/loops/nec40.c [2019-11-15 23:20:56,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/cae440826/23765ae0b4684922bd0ef42fa748203a/FLAG8c438f3cf [2019-11-15 23:20:56,638 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:20:56,639 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/sv-benchmarks/c/loops/nec40.c [2019-11-15 23:20:56,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/cae440826/23765ae0b4684922bd0ef42fa748203a/FLAG8c438f3cf [2019-11-15 23:20:57,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/uautomizer/data/cae440826/23765ae0b4684922bd0ef42fa748203a [2019-11-15 23:20:57,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:20:57,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:20:57,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:20:57,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:20:57,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:20:57,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8c22f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57, skipping insertion in model container [2019-11-15 23:20:57,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:20:57,087 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:20:57,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:20:57,329 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:20:57,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:20:57,385 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:20:57,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57 WrapperNode [2019-11-15 23:20:57,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:20:57,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:20:57,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:20:57,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:20:57,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:20:57,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:20:57,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:20:57,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:20:57,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... [2019-11-15 23:20:57,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:20:57,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:20:57,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:20:57,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:20:57,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 [2019-11-15 23:20:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-15 23:20:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:20:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:20:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-15 23:20:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:20:57,854 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:20:57,855 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:20:57,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:20:57 BoogieIcfgContainer [2019-11-15 23:20:57,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:20:57,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:20:57,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:20:57,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:20:57,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:20:57" (1/3) ... [2019-11-15 23:20:57,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7328c794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:20:57, skipping insertion in model container [2019-11-15 23:20:57,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:20:57" (2/3) ... [2019-11-15 23:20:57,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7328c794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:20:57, skipping insertion in model container [2019-11-15 23:20:57,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:20:57" (3/3) ... [2019-11-15 23:20:57,863 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-11-15 23:20:57,879 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:20:57,886 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:20:57,899 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:20:57,925 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:20:57,925 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:20:57,925 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:20:57,926 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:20:57,926 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:20:57,926 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:20:57,926 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:20:57,926 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:20:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-15 23:20:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-15 23:20:57,947 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:57,948 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:57,950 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:57,957 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-11-15 23:20:57,968 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:20:57,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [479713198] [2019-11-15 23:20:57,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 [2019-11-15 23:20:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:58,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 23:20:58,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:58,084 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:20:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:58,088 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [479713198] [2019-11-15 23:20:58,089 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:20:58,089 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 23:20:58,090 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710708449] [2019-11-15 23:20:58,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 23:20:58,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:20:58,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 23:20:58,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:20:58,111 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-15 23:20:58,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:58,124 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-15 23:20:58,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:20:58,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-15 23:20:58,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:58,133 INFO L225 Difference]: With dead ends: 24 [2019-11-15 23:20:58,133 INFO L226 Difference]: Without dead ends: 10 [2019-11-15 23:20:58,137 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 23:20:58,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-15 23:20:58,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-15 23:20:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-15 23:20:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-11-15 23:20:58,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-11-15 23:20:58,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:58,174 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-11-15 23:20:58,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 23:20:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-11-15 23:20:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 23:20:58,175 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:58,176 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:58,378 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 23:20:58,379 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:58,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:58,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-11-15 23:20:58,380 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:20:58,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [469261667] [2019-11-15 23:20:58,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 [2019-11-15 23:20:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:58,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 23:20:58,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:58,494 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:20:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:20:58,537 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [469261667] [2019-11-15 23:20:58,538 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:20:58,538 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-15 23:20:58,539 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265184340] [2019-11-15 23:20:58,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:20:58,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:20:58,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:20:58,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:20:58,544 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 4 states. [2019-11-15 23:20:58,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:20:58,606 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-11-15 23:20:58,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:20:58,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-15 23:20:58,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:20:58,608 INFO L225 Difference]: With dead ends: 18 [2019-11-15 23:20:58,609 INFO L226 Difference]: Without dead ends: 12 [2019-11-15 23:20:58,609 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:20:58,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-15 23:20:58,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-15 23:20:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 23:20:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-11-15 23:20:58,613 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-11-15 23:20:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:20:58,613 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-11-15 23:20:58,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:20:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-11-15 23:20:58,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 23:20:58,618 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:20:58,618 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:20:58,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 23:20:58,820 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:20:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:20:58,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-11-15 23:20:58,821 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 23:20:58,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1928028188] [2019-11-15 23:20:58,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfa88e83-780e-4ea3-add6-698851158710/bin/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 [2019-11-15 23:20:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:20:58,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 23:20:58,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:20:58,979 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 23 treesize of output 21 [2019-11-15 23:20:58,980 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-15 23:20:59,029 INFO L567 ElimStorePlain]: treesize reduction 14, result has 53.3 percent of original size [2019-11-15 23:20:59,041 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2019-11-15 23:20:59,042 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 23:20:59,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:20:59,064 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:20:59,064 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2019-11-15 23:21:01,103 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 14 [2019-11-15 23:21:01,123 INFO L375 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 17 [2019-11-15 23:21:01,124 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:01,142 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:01,143 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 23:21:01,144 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2019-11-15 23:21:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:01,170 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 23:21:01,202 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 12 treesize of output 6 [2019-11-15 23:21:01,205 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 23:21:01,207 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 23:21:01,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 23:21:01,208 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:1 [2019-11-15 23:21:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:21:01,245 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1928028188] [2019-11-15 23:21:01,246 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:21:01,246 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-15 23:21:01,246 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731063014] [2019-11-15 23:21:01,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:21:01,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 23:21:01,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:21:01,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:21:01,248 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 4 states. [2019-11-15 23:21:03,310 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 22 [2019-11-15 23:21:03,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:21:03,312 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-11-15 23:21:03,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:21:03,312 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-11-15 23:21:03,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:21:03,312 INFO L225 Difference]: With dead ends: 12 [2019-11-15 23:21:03,312 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:21:03,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:21:03,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:21:03,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:21:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:21:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:21:03,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-15 23:21:03,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:21:03,314 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:21:03,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:21:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:21:03,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:21:03,516 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 23:21:03,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:21:05,610 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-15 23:21:05,614 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:21:05,615 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2019-11-15 23:21:05,615 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-15 23:21:05,615 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:21:05,615 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:21:05,615 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:21:05,616 INFO L446 ceAbstractionStarter]: At program point L28(lines 14 29) the Hoare annotation is: true [2019-11-15 23:21:05,616 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-11-15 23:21:05,616 INFO L446 ceAbstractionStarter]: At program point L24-1(lines 24 26) the Hoare annotation is: true [2019-11-15 23:21:05,616 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-15 23:21:05,617 INFO L443 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2019-11-15 23:21:05,617 INFO L439 ceAbstractionStarter]: At program point L18-3(lines 18 21) the Hoare annotation is: (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#y~0.base| |~#x~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= ~i~0 (_ bv0 32)) (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (select |#memory_int| |~#x~0.base|))) [2019-11-15 23:21:05,617 INFO L443 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2019-11-15 23:21:05,617 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-15 23:21:05,622 FATAL L? ?]: 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.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:106) 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:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 23:21:05,631 INFO L168 Benchmark]: Toolchain (without parser) took 8590.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -102.4 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:21:05,632 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:21:05,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.95 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:21:05,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -219.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:21:05,637 INFO L168 Benchmark]: Boogie Preprocessor took 27.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:21:05,639 INFO L168 Benchmark]: RCFGBuilder took 320.40 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:21:05,639 INFO L168 Benchmark]: TraceAbstraction took 7771.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:21:05,645 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.95 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 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 120.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -219.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 320.40 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7771.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...