./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/brs5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be --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 3f54bfe272f098fc8d49d4d1aeeacd60f3c02b9f503aca7cdfa86fa26e25ba9c ............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:32:04,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:32:04,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:32:04,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:32:04,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:32:04,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:32:04,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:32:04,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:32:04,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:32:04,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:32:04,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:32:04,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:32:04,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:32:04,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:32:04,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:32:04,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:32:04,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:32:04,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:32:04,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:32:04,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:32:04,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:32:04,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:32:04,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:32:04,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:32:04,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:32:04,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:32:04,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:32:04,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:32:04,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:32:04,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:32:04,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:32:04,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:32:04,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:32:04,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:32:04,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:32:04,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:32:04,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:32:04,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:32:04,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:32:04,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:32:04,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:32:04,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:32:04,389 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:32:04,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:32:04,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:32:04,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:32:04,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:32:04,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:32:04,401 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:32:04,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:32:04,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:32:04,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:32:04,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:32:04,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:32:04,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:32:04,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:32:04,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:32:04,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:32:04,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:32:04,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:32:04,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:32:04,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:32:04,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:32:04,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:32:04,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:32:04,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:32:04,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:32:04,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:32:04,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:32:04,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:32:04,409 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:32:04,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:32:04,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:32:04,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:32:04,412 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_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f54bfe272f098fc8d49d4d1aeeacd60f3c02b9f503aca7cdfa86fa26e25ba9c [2021-10-21 19:32:04,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:32:04,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:32:04,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:32:04,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:32:04,739 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:32:04,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/array-fpi/brs5f.c [2021-10-21 19:32:04,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/data/79169a9d8/379642cb1b144158847d9b6fa3bb42be/FLAG9b3e68a52 [2021-10-21 19:32:05,439 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:32:05,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/sv-benchmarks/c/array-fpi/brs5f.c [2021-10-21 19:32:05,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/data/79169a9d8/379642cb1b144158847d9b6fa3bb42be/FLAG9b3e68a52 [2021-10-21 19:32:05,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/data/79169a9d8/379642cb1b144158847d9b6fa3bb42be [2021-10-21 19:32:05,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:32:05,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:32:05,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:32:05,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:32:05,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:32:05,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:32:05" (1/1) ... [2021-10-21 19:32:05,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a566eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:05, skipping insertion in model container [2021-10-21 19:32:05,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:32:05" (1/1) ... [2021-10-21 19:32:05,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:32:05,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:32:06,091 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/sv-benchmarks/c/array-fpi/brs5f.c[588,601] [2021-10-21 19:32:06,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:32:06,134 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:32:06,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/sv-benchmarks/c/array-fpi/brs5f.c[588,601] [2021-10-21 19:32:06,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:32:06,195 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:32:06,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06 WrapperNode [2021-10-21 19:32:06,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:32:06,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:32:06,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:32:06,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:32:06,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:32:06,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:32:06,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:32:06,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:32:06,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:32:06,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:32:06,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:32:06,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:32:06,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (1/1) ... [2021-10-21 19:32:06,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:32:06,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:32:06,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:32:06,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:32:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:32:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:32:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:32:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:32:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:32:06,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:32:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:32:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:32:06,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:32:06,750 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 19:32:06,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:32:06 BoogieIcfgContainer [2021-10-21 19:32:06,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:32:06,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:32:06,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:32:06,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:32:06,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:32:05" (1/3) ... [2021-10-21 19:32:06,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74af8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:32:06, skipping insertion in model container [2021-10-21 19:32:06,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:32:06" (2/3) ... [2021-10-21 19:32:06,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74af8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:32:06, skipping insertion in model container [2021-10-21 19:32:06,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:32:06" (3/3) ... [2021-10-21 19:32:06,762 INFO L111 eAbstractionObserver]: Analyzing ICFG brs5f.c [2021-10-21 19:32:06,767 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:32:06,768 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:32:06,818 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:32:06,825 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:32:06,825 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:32:06,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:32:06,847 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:06,848 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:06,849 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:06,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:06,854 INFO L82 PathProgramCache]: Analyzing trace with hash 361760665, now seen corresponding path program 1 times [2021-10-21 19:32:06,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:06,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41451236] [2021-10-21 19:32:06,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:06,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:07,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:07,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41451236] [2021-10-21 19:32:07,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41451236] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:07,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:07,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:32:07,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628147174] [2021-10-21 19:32:07,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:32:07,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:07,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:32:07,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:32:07,041 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:07,057 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2021-10-21 19:32:07,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:32:07,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:32:07,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:07,067 INFO L225 Difference]: With dead ends: 36 [2021-10-21 19:32:07,068 INFO L226 Difference]: Without dead ends: 16 [2021-10-21 19:32:07,071 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:32:07,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-21 19:32:07,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-21 19:32:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-21 19:32:07,110 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11 [2021-10-21 19:32:07,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:07,111 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-21 19:32:07,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-10-21 19:32:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-21 19:32:07,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:07,113 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:07,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:32:07,115 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:07,143 INFO L82 PathProgramCache]: Analyzing trace with hash -447913662, now seen corresponding path program 1 times [2021-10-21 19:32:07,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:07,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130373440] [2021-10-21 19:32:07,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:07,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:32:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:32:07,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:32:07,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130373440] [2021-10-21 19:32:07,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130373440] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:32:07,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:32:07,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:32:07,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524428912] [2021-10-21 19:32:07,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:32:07,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:32:07,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:32:07,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:32:07,310 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:32:07,398 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2021-10-21 19:32:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:32:07,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-21 19:32:07,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:32:07,400 INFO L225 Difference]: With dead ends: 33 [2021-10-21 19:32:07,401 INFO L226 Difference]: Without dead ends: 22 [2021-10-21 19:32:07,402 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:32:07,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-10-21 19:32:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-10-21 19:32:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-10-21 19:32:07,412 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 11 [2021-10-21 19:32:07,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:32:07,413 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-21 19:32:07,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:32:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-10-21 19:32:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:32:07,415 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:32:07,416 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:32:07,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:32:07,416 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:32:07,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:32:07,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1044113915, now seen corresponding path program 1 times [2021-10-21 19:32:07,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:32:07,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836494478] [2021-10-21 19:32:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:32:07,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:32:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:32:07,505 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:32:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:32:07,605 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:32:07,606 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:32:07,608 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:32:07,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:32:07,618 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:32:07,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:32:07 BoogieIcfgContainer [2021-10-21 19:32:07,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:32:07,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:32:07,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:32:07,686 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:32:07,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:32:06" (3/4) ... [2021-10-21 19:32:07,688 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:32:07,745 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42abea8d-dd0c-4210-b7f1-7a8b519828f8/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:32:07,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:32:07,747 INFO L168 Benchmark]: Toolchain (without parser) took 1958.21 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 85.8 MB in the beginning and 126.8 MB in the end (delta: -41.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:07,748 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:32:07,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.52 ms. Allocated memory is still 115.3 MB. Free memory was 85.5 MB in the beginning and 89.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:07,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.84 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 87.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:32:07,749 INFO L168 Benchmark]: Boogie Preprocessor took 44.99 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 86.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:07,750 INFO L168 Benchmark]: RCFGBuilder took 440.86 ms. Allocated memory is still 115.3 MB. Free memory was 86.7 MB in the beginning and 76.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:07,750 INFO L168 Benchmark]: TraceAbstraction took 930.94 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 75.7 MB in the beginning and 128.9 MB in the end (delta: -53.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:32:07,751 INFO L168 Benchmark]: Witness Printer took 60.16 ms. Allocated memory is still 165.7 MB. Free memory was 128.9 MB in the beginning and 126.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:32:07,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.52 ms. Allocated memory is still 115.3 MB. Free memory was 85.5 MB in the beginning and 89.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.84 ms. Allocated memory is still 115.3 MB. Free memory was 89.4 MB in the beginning and 87.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.99 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 86.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 440.86 ms. Allocated memory is still 115.3 MB. Free memory was 86.7 MB in the beginning and 76.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 930.94 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 75.7 MB in the beginning and 128.9 MB in the end (delta: -53.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 60.16 ms. Allocated memory is still 165.7 MB. Free memory was 128.9 MB in the beginning and 126.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) VAL [N=1] [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1] [L31] COND TRUE i