./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-30 00:11:51,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:51,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:51,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:51,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:51,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:51,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:51,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:51,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:51,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:51,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:51,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:51,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:51,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:51,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:51,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:51,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:51,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:51,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:51,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:51,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:51,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:51,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:51,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:51,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:51,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:51,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:51,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:51,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:51,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:51,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:51,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:51,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:51,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:51,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:51,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:51,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:51,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:51,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:51,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:51,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:51,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:11:51,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:51,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:51,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:51,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:51,367 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:51,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:51,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:51,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:11:51,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:51,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:51,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:51,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:51,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:51,371 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:51,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:51,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:51,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:51,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:51,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:51,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:51,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:51,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:51,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:51,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:51,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:51,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:11:51,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:11:51,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:51,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:51,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e [2020-11-30 00:11:51,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:51,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:51,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:51,800 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:51,804 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:51,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/../../sv-benchmarks/c/loops/n.c40.c [2020-11-30 00:11:51,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/6c0b9a1b3/d243b9d442014299a98e50237c131dbf/FLAGa327ad146 [2020-11-30 00:11:52,590 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:52,590 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/sv-benchmarks/c/loops/n.c40.c [2020-11-30 00:11:52,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/6c0b9a1b3/d243b9d442014299a98e50237c131dbf/FLAGa327ad146 [2020-11-30 00:11:52,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/6c0b9a1b3/d243b9d442014299a98e50237c131dbf [2020-11-30 00:11:52,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:52,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:52,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:52,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:52,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:52,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:52" (1/1) ... [2020-11-30 00:11:52,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43648adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:52, skipping insertion in model container [2020-11-30 00:11:52,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:52" (1/1) ... [2020-11-30 00:11:52,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:53,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:53,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:53,263 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:11:53,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:53,315 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:11:53,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53 WrapperNode [2020-11-30 00:11:53,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:53,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:53,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:11:53,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:11:53,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:11:53,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:11:53,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:11:53,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:11:53,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... [2020-11-30 00:11:53,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:11:53,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:11:53,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:11:53,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:11:53,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/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 [2020-11-30 00:11:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:11:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:11:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:11:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:11:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:11:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:11:54,021 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:11:54,032 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-30 00:11:54,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:54 BoogieIcfgContainer [2020-11-30 00:11:54,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:11:54,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:11:54,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:11:54,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:11:54,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:52" (1/3) ... [2020-11-30 00:11:54,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7437b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:54, skipping insertion in model container [2020-11-30 00:11:54,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:53" (2/3) ... [2020-11-30 00:11:54,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c7437b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:11:54, skipping insertion in model container [2020-11-30 00:11:54,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:11:54" (3/3) ... [2020-11-30 00:11:54,053 INFO L111 eAbstractionObserver]: Analyzing ICFG n.c40.c [2020-11-30 00:11:54,066 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:11:54,071 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:11:54,084 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:11:54,112 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:11:54,112 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:11:54,113 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:11:54,113 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:11:54,113 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:11:54,113 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:11:54,113 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:11:54,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:11:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-11-30 00:11:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:11:54,136 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:54,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:54,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:54,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:54,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2020-11-30 00:11:54,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:54,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618114180] [2020-11-30 00:11:54,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:54,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618114180] [2020-11-30 00:11:54,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:54,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:11:54,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125474922] [2020-11-30 00:11:54,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:11:54,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:54,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:11:54,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:11:54,358 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2020-11-30 00:11:54,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:54,374 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-11-30 00:11:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:11:54,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-30 00:11:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:54,385 INFO L225 Difference]: With dead ends: 23 [2020-11-30 00:11:54,385 INFO L226 Difference]: Without dead ends: 9 [2020-11-30 00:11:54,388 INFO L677 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 [2020-11-30 00:11:54,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-30 00:11:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-11-30 00:11:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-30 00:11:54,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-30 00:11:54,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-11-30 00:11:54,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:54,423 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-30 00:11:54,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:11:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-30 00:11:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:11:54,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:54,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:54,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:11:54,425 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:54,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:54,426 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2020-11-30 00:11:54,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:54,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050937768] [2020-11-30 00:11:54,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:54,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050937768] [2020-11-30 00:11:54,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:54,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:54,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714534671] [2020-11-30 00:11:54,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:11:54,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:54,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:11:54,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:11:54,531 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2020-11-30 00:11:54,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:54,585 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-11-30 00:11:54,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:11:54,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-30 00:11:54,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:54,587 INFO L225 Difference]: With dead ends: 16 [2020-11-30 00:11:54,588 INFO L226 Difference]: Without dead ends: 11 [2020-11-30 00:11:54,589 INFO L677 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 [2020-11-30 00:11:54,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-30 00:11:54,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-30 00:11:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-30 00:11:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-30 00:11:54,593 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2020-11-30 00:11:54,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:54,594 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-30 00:11:54,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:11:54,594 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-30 00:11:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:11:54,595 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:11:54,595 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:11:54,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:11:54,595 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:11:54,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:11:54,599 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2020-11-30 00:11:54,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:11:54,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381393942] [2020-11-30 00:11:54,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:11:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:11:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:11:54,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381393942] [2020-11-30 00:11:54,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:11:54,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:11:54,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821235823] [2020-11-30 00:11:54,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:11:54,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:11:54,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:11:54,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:11:54,757 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2020-11-30 00:11:54,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:11:54,779 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-11-30 00:11:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:11:54,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-30 00:11:54,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:11:54,780 INFO L225 Difference]: With dead ends: 11 [2020-11-30 00:11:54,780 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:11:54,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:11:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:11:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:11:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:11:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:11:54,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-30 00:11:54,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:11:54,782 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:11:54,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:11:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:11:54,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:11:54,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:11:54,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:11:54,812 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:11:54,813 INFO L274 CegarLoopResult]: For program point L21(lines 21 22) no Hoare annotation was computed. [2020-11-30 00:11:54,813 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:11:54,813 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:11:54,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:11:54,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:11:54,813 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:11:54,813 INFO L277 CegarLoopResult]: At program point L24(lines 10 25) the Hoare annotation is: true [2020-11-30 00:11:54,814 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-30 00:11:54,814 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-11-30 00:11:54,814 INFO L274 CegarLoopResult]: For program point L20-1(lines 20 22) no Hoare annotation was computed. [2020-11-30 00:11:54,814 INFO L274 CegarLoopResult]: For program point L14-1(lines 14 17) no Hoare annotation was computed. [2020-11-30 00:11:54,814 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 17) the Hoare annotation is: (and (= (select |#memory_int| |~#x~0.base|) ((as const (Array Int Int)) 0)) (= ~i~0 0)) [2020-11-30 00:11:54,814 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-11-30 00:11:54,821 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) 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.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:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 00:11:54,825 INFO L168 Benchmark]: Toolchain (without parser) took 1851.79 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 85.3 MB in the beginning and 71.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:54,826 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 111.1 MB. Free memory is still 68.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:54,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.83 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 85.3 MB in the beginning and 118.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:54,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.24 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 117.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:54,829 INFO L168 Benchmark]: Boogie Preprocessor took 28.55 ms. Allocated memory is still 142.6 MB. Free memory was 117.4 MB in the beginning and 116.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:11:54,829 INFO L168 Benchmark]: RCFGBuilder took 649.04 ms. Allocated memory is still 142.6 MB. Free memory was 116.2 MB in the beginning and 102.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:54,830 INFO L168 Benchmark]: TraceAbstraction took 776.99 ms. Allocated memory is still 142.6 MB. Free memory was 102.2 MB in the beginning and 71.9 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:11:54,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 111.1 MB. Free memory is still 68.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 342.83 ms. Allocated memory was 111.1 MB in the beginning and 142.6 MB in the end (delta: 31.5 MB). Free memory was 85.3 MB in the beginning and 118.9 MB in the end (delta: -33.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.24 ms. Allocated memory is still 142.6 MB. Free memory was 118.9 MB in the beginning and 117.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.55 ms. Allocated memory is still 142.6 MB. Free memory was 117.4 MB in the beginning and 116.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 649.04 ms. Allocated memory is still 142.6 MB. Free memory was 116.2 MB in the beginning and 102.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 776.99 ms. Allocated memory is still 142.6 MB. Free memory was 102.2 MB in the beginning and 71.9 MB in the end (delta: 30.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:11:57,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:11:57,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:11:57,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:11:57,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:11:57,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:11:57,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:11:57,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:11:57,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:11:57,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:11:57,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:11:57,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:11:57,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:11:57,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:11:57,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:11:57,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:11:57,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:11:57,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:11:57,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:11:57,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:11:57,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:11:57,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:11:57,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:11:57,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:11:57,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:11:58,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:11:58,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:11:58,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:11:58,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:11:58,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:11:58,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:11:58,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:11:58,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:11:58,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:11:58,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:11:58,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:11:58,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:11:58,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:11:58,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:11:58,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:11:58,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:11:58,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:11:58,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:11:58,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:11:58,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:11:58,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:11:58,087 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:11:58,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:11:58,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:11:58,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:11:58,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:11:58,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:11:58,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:11:58,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:11:58,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:11:58,091 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:11:58,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:11:58,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:11:58,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:11:58,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:11:58,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:11:58,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:11:58,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:11:58,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:11:58,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:11:58,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:11:58,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:11:58,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:11:58,095 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:11:58,095 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:11:58,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:11:58,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:11:58,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:11:58,096 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e [2020-11-30 00:11:58,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:11:58,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:11:58,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:11:58,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:11:58,583 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:11:58,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/../../sv-benchmarks/c/loops/n.c40.c [2020-11-30 00:11:58,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/37055898d/96fae4419bf24633a7424f868fe6bd9f/FLAGa0106b107 [2020-11-30 00:11:59,377 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:11:59,377 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/sv-benchmarks/c/loops/n.c40.c [2020-11-30 00:11:59,387 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/37055898d/96fae4419bf24633a7424f868fe6bd9f/FLAGa0106b107 [2020-11-30 00:11:59,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/data/37055898d/96fae4419bf24633a7424f868fe6bd9f [2020-11-30 00:11:59,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:11:59,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:11:59,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:11:59,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:11:59,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:11:59,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:59" (1/1) ... [2020-11-30 00:11:59,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75724f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:11:59, skipping insertion in model container [2020-11-30 00:11:59,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:11:59" (1/1) ... [2020-11-30 00:11:59,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:11:59,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:11:59,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:11:59,981 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:12:00,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:12:00,020 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:12:00,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00 WrapperNode [2020-11-30 00:12:00,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:12:00,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:00,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:12:00,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:12:00,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:00,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:12:00,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:12:00,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:12:00,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... [2020-11-30 00:12:00,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:12:00,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:12:00,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:12:00,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:12:00,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/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 [2020-11-30 00:12:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 00:12:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:12:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:12:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:12:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 00:12:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:12:00,813 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:12:00,816 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-30 00:12:00,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:00 BoogieIcfgContainer [2020-11-30 00:12:00,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:12:00,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:12:00,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:12:00,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:12:00,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:11:59" (1/3) ... [2020-11-30 00:12:00,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4b79ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:12:00, skipping insertion in model container [2020-11-30 00:12:00,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:00" (2/3) ... [2020-11-30 00:12:00,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4b79ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:12:00, skipping insertion in model container [2020-11-30 00:12:00,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:00" (3/3) ... [2020-11-30 00:12:00,831 INFO L111 eAbstractionObserver]: Analyzing ICFG n.c40.c [2020-11-30 00:12:00,845 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:12:00,850 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:12:00,865 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:12:00,908 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:12:00,909 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:12:00,909 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:12:00,909 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:12:00,909 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:12:00,910 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:12:00,910 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:12:00,910 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:12:00,929 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-11-30 00:12:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:12:00,935 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:12:00,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:00,937 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:12:00,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:00,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2020-11-30 00:12:00,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:12:00,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694840829] [2020-11-30 00:12:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:12:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:01,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:12:01,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:12:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:01,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:12:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:01,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694840829] [2020-11-30 00:12:01,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:12:01,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:12:01,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364347939] [2020-11-30 00:12:01,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:12:01,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:12:01,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:12:01,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:12:01,283 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2020-11-30 00:12:01,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:12:01,308 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-11-30 00:12:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:12:01,310 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-30 00:12:01,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:12:01,321 INFO L225 Difference]: With dead ends: 23 [2020-11-30 00:12:01,321 INFO L226 Difference]: Without dead ends: 9 [2020-11-30 00:12:01,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:12:01,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-30 00:12:01,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-11-30 00:12:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-30 00:12:01,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-30 00:12:01,355 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-11-30 00:12:01,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:12:01,356 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-30 00:12:01,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:12:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-30 00:12:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:12:01,357 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:12:01,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:01,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:12:01,572 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:12:01,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:01,573 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2020-11-30 00:12:01,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:12:01,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961845268] [2020-11-30 00:12:01,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:12:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:01,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 00:12:01,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:12:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:01,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:12:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:01,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961845268] [2020-11-30 00:12:01,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:12:01,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-30 00:12:01,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351005068] [2020-11-30 00:12:01,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:12:01,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:12:01,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:12:01,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:12:01,803 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2020-11-30 00:12:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:12:01,862 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-11-30 00:12:01,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:12:01,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-30 00:12:01,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:12:01,865 INFO L225 Difference]: With dead ends: 16 [2020-11-30 00:12:01,865 INFO L226 Difference]: Without dead ends: 11 [2020-11-30 00:12:01,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:12:01,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-30 00:12:01,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-30 00:12:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-30 00:12:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-30 00:12:01,870 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2020-11-30 00:12:01,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:12:01,871 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-30 00:12:01,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:12:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-30 00:12:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:12:01,873 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:12:01,874 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:02,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:12:02,080 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:12:02,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:02,081 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2020-11-30 00:12:02,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:12:02,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821788494] [2020-11-30 00:12:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:12:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:12:02,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 00:12:02,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:12:02,351 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:02,352 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 41 [2020-11-30 00:12:02,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:12:02,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:12:02,365 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-30 00:12:02,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:12:02,372 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 00:12:02,470 INFO L625 ElimStorePlain]: treesize reduction 14, result has 71.4 percent of original size [2020-11-30 00:12:02,483 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 00:12:02,484 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:24 [2020-11-30 00:12:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:12:02,582 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2020-11-30 00:12:02,584 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:12:02,615 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:02,617 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 00:12:02,618 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2020-11-30 00:12:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:12:02,882 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-30 00:12:02,886 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:02,887 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 17 [2020-11-30 00:12:02,889 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:12:02,917 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:02,921 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 00:12:02,922 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:38, output treesize:13 [2020-11-30 00:12:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:02,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:12:07,462 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 38 [2020-11-30 00:12:07,526 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:07,527 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2020-11-30 00:12:07,529 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:12:07,537 INFO L441 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_7]} [2020-11-30 00:12:07,774 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:07,774 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2020-11-30 00:12:07,776 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 00:12:07,787 INFO L441 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_9]} [2020-11-30 00:12:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:12:07,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821788494] [2020-11-30 00:12:07,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:12:07,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2020-11-30 00:12:07,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601056310] [2020-11-30 00:12:07,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-30 00:12:07,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:12:07,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-30 00:12:07,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=111, Unknown=4, NotChecked=0, Total=156 [2020-11-30 00:12:07,837 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 13 states. [2020-11-30 00:12:08,543 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-11-30 00:12:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:12:08,595 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2020-11-30 00:12:08,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:12:08,596 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 10 [2020-11-30 00:12:08,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:12:08,597 INFO L225 Difference]: With dead ends: 18 [2020-11-30 00:12:08,597 INFO L226 Difference]: Without dead ends: 13 [2020-11-30 00:12:08,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=66, Invalid=170, Unknown=4, NotChecked=0, Total=240 [2020-11-30 00:12:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-30 00:12:08,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-30 00:12:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-30 00:12:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-11-30 00:12:08,603 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2020-11-30 00:12:08,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:12:08,604 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-11-30 00:12:08,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-30 00:12:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-11-30 00:12:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:12:08,605 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:12:08,605 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:08,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:12:08,816 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:12:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:08,817 INFO L82 PathProgramCache]: Analyzing trace with hash 402464885, now seen corresponding path program 2 times [2020-11-30 00:12:08,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:12:08,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174889639] [2020-11-30 00:12:08,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57140f78-d913-42bd-86bc-9eb2ecf0ef77/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 00:12:08,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-30 00:12:08,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-30 00:12:08,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:12:08,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:12:08,949 INFO L384 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 47 treesize of output 45 [2020-11-30 00:12:08,952 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-30 00:12:09,044 INFO L625 ElimStorePlain]: treesize reduction 26, result has 51.9 percent of original size [2020-11-30 00:12:09,056 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2020-11-30 00:12:09,057 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-30 00:12:09,087 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:09,097 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 00:12:09,097 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:32, output treesize:17 [2020-11-30 00:12:11,151 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-30 00:12:11,192 INFO L384 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 [2020-11-30 00:12:11,195 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:12:11,210 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:12:11,213 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-30 00:12:11,214 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:27, output treesize:9 [2020-11-30 00:12:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:12:11,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:12:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:12:11,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174889639] [2020-11-30 00:12:11,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:12:11,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-30 00:12:11,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819301375] [2020-11-30 00:12:11,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:12:11,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:12:11,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:12:11,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:12:11,309 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 6 states. [2020-11-30 00:12:15,378 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 24 DAG size of output: 17 [2020-11-30 00:12:15,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:12:15,381 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-11-30 00:12:15,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:12:15,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-11-30 00:12:15,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:12:15,381 INFO L225 Difference]: With dead ends: 13 [2020-11-30 00:12:15,381 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:12:15,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:12:15,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:12:15,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:12:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:12:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:12:15,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-30 00:12:15,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:12:15,383 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:12:15,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:12:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:12:15,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:12:15,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:12:15,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:12:17,686 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 20 [2020-11-30 00:12:17,693 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:12:17,693 INFO L274 CegarLoopResult]: For program point L21(lines 21 22) no Hoare annotation was computed. [2020-11-30 00:12:17,693 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:12:17,694 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:12:17,694 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:12:17,694 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:12:17,694 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:12:17,694 INFO L277 CegarLoopResult]: At program point L24(lines 10 25) the Hoare annotation is: true [2020-11-30 00:12:17,694 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-30 00:12:17,694 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-11-30 00:12:17,695 INFO L274 CegarLoopResult]: For program point L20-1(lines 20 22) no Hoare annotation was computed. [2020-11-30 00:12:17,695 INFO L274 CegarLoopResult]: For program point L14-1(lines 14 17) no Hoare annotation was computed. [2020-11-30 00:12:17,695 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 17) the Hoare annotation is: (and (= |~#x~0.offset| (_ bv0 32)) (= |~#y~0.offset| (_ bv0 32)) (= (select |#memory_int| |~#x~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (exists ((|~#y~0.base| (_ BitVec 32))) (and (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (not (= |~#x~0.base| |~#y~0.base|)))) (= ~i~0 (_ bv0 32))) [2020-11-30 00:12:17,695 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-11-30 00:12:17,701 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.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:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 00:12:17,723 INFO L168 Benchmark]: Toolchain (without parser) took 17979.66 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 48.0 MB in the beginning and 60.8 MB in the end (delta: -12.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:17,724 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:12:17,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.70 ms. Allocated memory is still 69.2 MB. Free memory was 47.6 MB in the beginning and 38.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:17,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 69.2 MB. Free memory was 38.0 MB in the beginning and 52.2 MB in the end (delta: -14.2 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:17,731 INFO L168 Benchmark]: Boogie Preprocessor took 62.13 ms. Allocated memory is still 69.2 MB. Free memory was 52.2 MB in the beginning and 51.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:17,734 INFO L168 Benchmark]: RCFGBuilder took 673.28 ms. Allocated memory is still 69.2 MB. Free memory was 51.0 MB in the beginning and 37.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:12:17,739 INFO L168 Benchmark]: TraceAbstraction took 16898.61 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 37.3 MB in the beginning and 60.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 68.6 kB. Max. memory is 16.1 GB. [2020-11-30 00:12:17,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.70 ms. Allocated memory is still 69.2 MB. Free memory was 47.6 MB in the beginning and 38.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 69.2 MB. Free memory was 38.0 MB in the beginning and 52.2 MB in the end (delta: -14.2 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.13 ms. Allocated memory is still 69.2 MB. Free memory was 52.2 MB in the beginning and 51.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 673.28 ms. Allocated memory is still 69.2 MB. Free memory was 51.0 MB in the beginning and 37.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16898.61 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 37.3 MB in the beginning and 60.8 MB in the end (delta: -23.5 MB). Peak memory consumption was 68.6 kB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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...