./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/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/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/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/nec40.c -s /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:52,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:52,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:52,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:52,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:52,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:52,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:52,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:52,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:52,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:52,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:52,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:52,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:52,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:52,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:52,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:52,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:52,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:52,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:52,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:52,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:52,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:52,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:52,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:52,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:52,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:52,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:52,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:52,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:52,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:52,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:52,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:52,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:52,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:52,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:52,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:52,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:52,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:52,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:52,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:52,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:52,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:52,315 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:52,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:52,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:52,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:52,320 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:52,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:52,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:52,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:52,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:52,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:52,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:52,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:52,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:52,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:52,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:52,322 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:52,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:52,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:52,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:52,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:52,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:52,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:52,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:52,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:52,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:52,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:52,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:52,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:52,325 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/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:52,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:52,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:52,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:52,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:52,386 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:52,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/../../sv-benchmarks/c/loops/nec40.c [2019-10-22 09:00:52,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/d732f47de/3f844754bd0e41a4b745d4adb56c5f06/FLAG149b1f95c [2019-10-22 09:00:52,815 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:52,816 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/sv-benchmarks/c/loops/nec40.c [2019-10-22 09:00:52,821 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/d732f47de/3f844754bd0e41a4b745d4adb56c5f06/FLAG149b1f95c [2019-10-22 09:00:53,182 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/d732f47de/3f844754bd0e41a4b745d4adb56c5f06 [2019-10-22 09:00:53,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:53,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:53,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:53,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:53,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:53,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6807562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53, skipping insertion in model container [2019-10-22 09:00:53,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,203 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:53,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:53,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:53,386 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:53,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:53,489 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:53,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53 WrapperNode [2019-10-22 09:00:53,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:53,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:53,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:53,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:53,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:53,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:53,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:53,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:53,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... [2019-10-22 09:00:53,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:53,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:53,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:53,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:53,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:00:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:00:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:53,781 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:53,782 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:00:53,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:53 BoogieIcfgContainer [2019-10-22 09:00:53,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:53,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:53,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:53,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:53,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:53" (1/3) ... [2019-10-22 09:00:53,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dea7b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:53, skipping insertion in model container [2019-10-22 09:00:53,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:53" (2/3) ... [2019-10-22 09:00:53,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dea7b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:53, skipping insertion in model container [2019-10-22 09:00:53,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:53" (3/3) ... [2019-10-22 09:00:53,801 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-10-22 09:00:53,812 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:53,819 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:53,837 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:53,863 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:53,874 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:53,875 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:53,875 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:53,882 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:53,883 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:53,883 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:53,883 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-10-22 09:00:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 09:00:53,911 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:53,912 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:53,914 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:53,924 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-10-22 09:00:53,933 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:53,934 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29940891] [2019-10-22 09:00:53,935 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:53,936 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:53,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:54,034 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29940891] [2019-10-22 09:00:54,035 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,035 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:54,035 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181685193] [2019-10-22 09:00:54,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:54,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:54,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:54,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:54,050 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-10-22 09:00:54,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:54,063 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-10-22 09:00:54,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:54,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-10-22 09:00:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:54,074 INFO L225 Difference]: With dead ends: 24 [2019-10-22 09:00:54,074 INFO L226 Difference]: Without dead ends: 10 [2019-10-22 09:00:54,077 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 [2019-10-22 09:00:54,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-10-22 09:00:54,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-10-22 09:00:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-10-22 09:00:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-10-22 09:00:54,119 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-10-22 09:00:54,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:54,119 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-10-22 09:00:54,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-10-22 09:00:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 09:00:54,120 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:54,120 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:54,120 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:54,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:54,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-10-22 09:00:54,121 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:54,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934828341] [2019-10-22 09:00:54,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,121 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:54,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934828341] [2019-10-22 09:00:54,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:54,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:54,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713283296] [2019-10-22 09:00:54,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:54,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:54,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:54,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:54,212 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-10-22 09:00:54,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:54,247 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-10-22 09:00:54,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:54,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-10-22 09:00:54,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:54,248 INFO L225 Difference]: With dead ends: 18 [2019-10-22 09:00:54,248 INFO L226 Difference]: Without dead ends: 12 [2019-10-22 09:00:54,249 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 [2019-10-22 09:00:54,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-10-22 09:00:54,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-10-22 09:00:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-22 09:00:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-10-22 09:00:54,252 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-10-22 09:00:54,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:54,252 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-10-22 09:00:54,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-10-22 09:00:54,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:00:54,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:54,253 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:54,253 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:54,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:54,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-10-22 09:00:54,254 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:54,254 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584267562] [2019-10-22 09:00:54,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,254 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:54,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:54,340 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) [2019-10-22 09:00:54,352 INFO L168 Benchmark]: Toolchain (without parser) took 1165.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -116.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,353 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:54,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.25 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. [2019-10-22 09:00:54,355 INFO L168 Benchmark]: Boogie Preprocessor took 19.37 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,356 INFO L168 Benchmark]: RCFGBuilder took 239.30 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,356 INFO L168 Benchmark]: TraceAbstraction took 559.12 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,360 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.25 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 19.37 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 239.30 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 559.12 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: 26.8 MB). Peak memory consumption was 26.8 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 [2019-10-22 09:00:56,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:56,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:56,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-22 09:00:56,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:56,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:56,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:56,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:56,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:56,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:56,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:56,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:56,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:56,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:56,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:56,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:00:56,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:56,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:56,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:56,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:56,429 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:56,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:56,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:56,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:56,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:56,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:56,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:56,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:56,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:00:56,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:00:56,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:56,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:56,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:56,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:56,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:56,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:56,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:56,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:56,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:56,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:56,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:56,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:56,432 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:00:56,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:00:56,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:56,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:00:56,433 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/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:56,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:56,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:56,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:56,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:56,480 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:56,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/../../sv-benchmarks/c/loops/nec40.c [2019-10-22 09:00:56,538 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/f9b002493/e5466afef1e747faae65c3dd8f48fcff/FLAGa8eb4b9eb [2019-10-22 09:00:56,901 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:56,902 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/sv-benchmarks/c/loops/nec40.c [2019-10-22 09:00:56,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/f9b002493/e5466afef1e747faae65c3dd8f48fcff/FLAGa8eb4b9eb [2019-10-22 09:00:57,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/bin/uautomizer/data/f9b002493/e5466afef1e747faae65c3dd8f48fcff [2019-10-22 09:00:57,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:57,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:57,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:57,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:57,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:57,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a99faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,294 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:57,309 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:57,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:57,451 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:57,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:57,498 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:57,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57 WrapperNode [2019-10-22 09:00:57,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:57,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:57,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:57,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:57,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:57,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:57,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:57,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:57,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... [2019-10-22 09:00:57,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:57,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:57,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:57,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:57,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 09:00:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-10-22 09:00:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:57,881 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:57,881 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:00:57,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57 BoogieIcfgContainer [2019-10-22 09:00:57,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:57,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:57,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:57,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:57,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:57" (1/3) ... [2019-10-22 09:00:57,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb253d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:57" (2/3) ... [2019-10-22 09:00:57,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb253d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:57, skipping insertion in model container [2019-10-22 09:00:57,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:57" (3/3) ... [2019-10-22 09:00:57,889 INFO L109 eAbstractionObserver]: Analyzing ICFG nec40.c [2019-10-22 09:00:57,898 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:57,904 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:57,911 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:57,929 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:57,929 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:57,929 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:57,929 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:57,929 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:57,929 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:57,929 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:57,930 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-10-22 09:00:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 09:00:57,943 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:57,944 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:57,946 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:57,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:57,950 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-10-22 09:00:57,960 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:57,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1798322041] [2019-10-22 09:00:57,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:58,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2019-10-22 09:00:58,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:58,095 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:58,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1798322041] [2019-10-22 09:00:58,103 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:58,103 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-10-22 09:00:58,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419641595] [2019-10-22 09:00:58,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:58,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:58,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:58,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:58,129 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-10-22 09:00:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:58,143 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-10-22 09:00:58,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:58,145 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-10-22 09:00:58,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:58,154 INFO L225 Difference]: With dead ends: 24 [2019-10-22 09:00:58,154 INFO L226 Difference]: Without dead ends: 10 [2019-10-22 09:00:58,157 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 [2019-10-22 09:00:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-10-22 09:00:58,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-10-22 09:00:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-10-22 09:00:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-10-22 09:00:58,186 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-10-22 09:00:58,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:58,187 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-10-22 09:00:58,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-10-22 09:00:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 09:00:58,188 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:58,188 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:58,388 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:00:58,389 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:58,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:58,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-10-22 09:00:58,389 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:58,389 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2144294898] [2019-10-22 09:00:58,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:58,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 09:00:58,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:58,470 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:00:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:58,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2144294898] [2019-10-22 09:00:58,495 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:58,495 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-10-22 09:00:58,495 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622882076] [2019-10-22 09:00:58,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:58,497 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:00:58,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:58,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:58,497 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 4 states. [2019-10-22 09:00:58,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:58,533 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-10-22 09:00:58,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:58,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 09:00:58,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:58,535 INFO L225 Difference]: With dead ends: 18 [2019-10-22 09:00:58,535 INFO L226 Difference]: Without dead ends: 12 [2019-10-22 09:00:58,536 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 [2019-10-22 09:00:58,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-10-22 09:00:58,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-10-22 09:00:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-22 09:00:58,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-10-22 09:00:58,538 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-10-22 09:00:58,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:58,538 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-10-22 09:00:58,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:58,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-10-22 09:00:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:00:58,539 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:58,539 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:58,739 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:00:58,740 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:58,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-10-22 09:00:58,741 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:58,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1596246449] [2019-10-22 09:00:58,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_515be005-f86e-47dc-b793-371093e232e6/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 [2019-10-22 09:00:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:58,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-22 09:00:58,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:58,872 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 [2019-10-22 09:00:58,875 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-10-22 09:00:58,907 INFO L567 ElimStorePlain]: treesize reduction 14, result has 53.3 percent of original size [2019-10-22 09:00:58,923 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 [2019-10-22 09:00:58,924 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 09:00:58,936 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:00:58,937 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. [2019-10-22 09:00:58,937 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2019-10-22 09:01:00,979 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 14 [2019-10-22 09:01:00,994 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 [2019-10-22 09:01:00,995 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:01:01,005 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:01:01,006 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. [2019-10-22 09:01:01,006 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2019-10-22 09:01:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:01,030 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 09:01:01,055 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 [2019-10-22 09:01:01,057 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 09:01:01,059 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 09:01:01,059 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 09:01:01,059 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:1 [2019-10-22 09:01:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:01,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1596246449] [2019-10-22 09:01:01,095 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:01,095 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 09:01:01,095 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360415312] [2019-10-22 09:01:01,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:01,096 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-10-22 09:01:01,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:01,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:01:01,097 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 4 states. [2019-10-22 09:01:03,143 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 22 [2019-10-22 09:01:03,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:03,144 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-10-22 09:01:03,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:03,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-10-22 09:01:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:03,145 INFO L225 Difference]: With dead ends: 12 [2019-10-22 09:01:03,145 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:03,146 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 [2019-10-22 09:01:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:03,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:03,147 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-10-22 09:01:03,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:03,147 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:03,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:03,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:03,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:01:03,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:05,419 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 16 [2019-10-22 09:01:05,422 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,423 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2019-10-22 09:01:05,423 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-22 09:01:05,423 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,423 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,423 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,423 INFO L446 ceAbstractionStarter]: At program point L28(lines 14 29) the Hoare annotation is: true [2019-10-22 09:01:05,424 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-10-22 09:01:05,424 INFO L446 ceAbstractionStarter]: At program point L24-1(lines 24 26) the Hoare annotation is: true [2019-10-22 09:01:05,424 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-22 09:01:05,424 INFO L443 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2019-10-22 09:01:05,424 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|))) [2019-10-22 09:01:05,425 INFO L443 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2019-10-22 09:01:05,425 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-22 09:01:05,429 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) [2019-10-22 09:01:05,432 INFO L168 Benchmark]: Toolchain (without parser) took 8156.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -58.6 MB). Peak memory consumption was 61.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,433 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.36 ms. Allocated memory is still 1.0 GB. Free memory was 940.3 MB in the beginning and 934.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,434 INFO L168 Benchmark]: Boogie Preprocessor took 81.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,435 INFO L168 Benchmark]: RCFGBuilder took 243.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,436 INFO L168 Benchmark]: TraceAbstraction took 7547.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 222.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.36 ms. Allocated memory is still 1.0 GB. Free memory was 940.3 MB in the beginning and 934.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 243.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7547.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.3 MB). Peak memory consumption was 78.3 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...