./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/sum_array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/sum_array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0ce6e358e97991ebbe821b374467d4ac3ee0da45122333d4b5212eb8135ac7d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:19:52,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:19:52,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:19:52,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:19:52,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:19:52,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:19:52,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:19:52,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:19:52,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:19:52,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:19:52,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:19:52,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:19:52,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:19:52,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:19:52,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:19:52,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:19:52,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:19:52,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:19:52,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:19:52,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:19:52,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:19:52,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:19:52,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:19:52,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:19:52,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:19:52,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:19:52,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:19:52,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:19:52,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:19:52,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:19:52,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:19:52,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:19:52,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:19:52,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:19:52,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:19:52,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:19:52,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:19:52,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:19:52,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:19:52,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:19:52,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:19:52,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 14:19:52,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:19:52,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:19:52,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:19:52,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:19:52,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:19:52,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:19:52,358 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:19:52,358 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:19:52,358 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:19:52,358 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:19:52,359 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:19:52,359 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:19:52,359 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:19:52,359 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:19:52,359 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:19:52,359 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:19:52,360 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:19:52,360 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:19:52,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 14:19:52,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 14:19:52,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:19:52,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 14:19:52,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:19:52,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:19:52,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 14:19:52,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:19:52,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 14:19:52,362 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 14:19:52,362 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 14:19:52,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:19:52,362 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:19:52,362 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 14:19:52,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:19:52,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:19:52,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:19:52,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:19:52,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:19:52,364 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:19:52,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:19:52,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:19:52,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:19:52,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:19:52,364 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_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0ce6e358e97991ebbe821b374467d4ac3ee0da45122333d4b5212eb8135ac7d [2022-12-14 14:19:52,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:19:52,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:19:52,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:19:52,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:19:52,586 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:19:52,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/loops/sum_array-1.c [2022-12-14 14:19:55,100 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:19:55,215 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:19:55,215 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/sv-benchmarks/c/loops/sum_array-1.c [2022-12-14 14:19:55,219 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/data/0ad7d482b/29efd0709a134fac996f0e2cdbb026ce/FLAG69bf9b86f [2022-12-14 14:19:55,229 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/data/0ad7d482b/29efd0709a134fac996f0e2cdbb026ce [2022-12-14 14:19:55,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:19:55,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:19:55,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:19:55,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:19:55,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:19:55,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e07b482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55, skipping insertion in model container [2022-12-14 14:19:55,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:19:55,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:19:55,350 WARN L237 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_6e1fed17-36b6-466e-be53-ac37a44e9122/sv-benchmarks/c/loops/sum_array-1.c[363,376] [2022-12-14 14:19:55,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:19:55,375 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:19:55,387 WARN L237 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_6e1fed17-36b6-466e-be53-ac37a44e9122/sv-benchmarks/c/loops/sum_array-1.c[363,376] [2022-12-14 14:19:55,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:19:55,408 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:19:55,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55 WrapperNode [2022-12-14 14:19:55,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:19:55,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:19:55,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:19:55,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:19:55,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,443 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-12-14 14:19:55,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:19:55,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:19:55,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:19:55,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:19:55,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,465 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:19:55,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:19:55,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:19:55,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:19:55,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (1/1) ... [2022-12-14 14:19:55,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:19:55,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:19:55,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:19:55,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:19:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:19:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:19:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:19:55,591 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:19:55,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:19:55,792 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:19:55,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:19:55,828 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 14:19:55,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:19:55 BoogieIcfgContainer [2022-12-14 14:19:55,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:19:55,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:19:55,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:19:55,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:19:55,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:19:55" (1/3) ... [2022-12-14 14:19:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dd3740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:19:55, skipping insertion in model container [2022-12-14 14:19:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:19:55" (2/3) ... [2022-12-14 14:19:55,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dd3740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:19:55, skipping insertion in model container [2022-12-14 14:19:55,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:19:55" (3/3) ... [2022-12-14 14:19:55,836 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-1.c [2022-12-14 14:19:55,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:19:55,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-12-14 14:19:55,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:19:55,890 INFO L357 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@630f6357, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:19:55,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-12-14 14:19:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 35 states have internal predecessors, (40), 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) [2022-12-14 14:19:55,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 14:19:55,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:19:55,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 14:19:55,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2022-12-14 14:19:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:19:55,902 INFO L85 PathProgramCache]: Analyzing trace with hash 131979, now seen corresponding path program 1 times [2022-12-14 14:19:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:19:55,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014833114] [2022-12-14 14:19:55,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:19:55,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:19:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:19:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 14:19:56,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:19:56,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014833114] [2022-12-14 14:19:56,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014833114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:19:56,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:19:56,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 14:19:56,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272201227] [2022-12-14 14:19:56,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:19:56,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:19:56,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:19:56,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:19:56,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:19:56,245 INFO L87 Difference]: Start difference. First operand has 36 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 35 states have internal predecessors, (40), 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 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-14 14:19:56,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:19:56,304 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-12-14 14:19:56,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:19:56,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-12-14 14:19:56,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:19:56,314 INFO L225 Difference]: With dead ends: 33 [2022-12-14 14:19:56,314 INFO L226 Difference]: Without dead ends: 32 [2022-12-14 14:19:56,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:19:56,318 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:19:56,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 13 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:19:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-14 14:19:56,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-14 14:19:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 31 states have internal predecessors, (35), 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) [2022-12-14 14:19:56,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-12-14 14:19:56,340 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 3 [2022-12-14 14:19:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:19:56,341 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-12-14 14:19:56,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-14 14:19:56,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-12-14 14:19:56,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 14:19:56,341 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:19:56,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 14:19:56,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:19:56,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2022-12-14 14:19:56,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:19:56,342 INFO L85 PathProgramCache]: Analyzing trace with hash 131980, now seen corresponding path program 1 times [2022-12-14 14:19:56,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:19:56,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619904491] [2022-12-14 14:19:56,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:19:56,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:19:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:19:56,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:19:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:19:56,421 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:19:56,421 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:19:56,424 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 18 remaining) [2022-12-14 14:19:56,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 18 remaining) [2022-12-14 14:19:56,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 18 remaining) [2022-12-14 14:19:56,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 18 remaining) [2022-12-14 14:19:56,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 18 remaining) [2022-12-14 14:19:56,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 18 remaining) [2022-12-14 14:19:56,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 18 remaining) [2022-12-14 14:19:56,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 18 remaining) [2022-12-14 14:19:56,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 18 remaining) [2022-12-14 14:19:56,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 18 remaining) [2022-12-14 14:19:56,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 18 remaining) [2022-12-14 14:19:56,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 18 remaining) [2022-12-14 14:19:56,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 18 remaining) [2022-12-14 14:19:56,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 18 remaining) [2022-12-14 14:19:56,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 18 remaining) [2022-12-14 14:19:56,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 18 remaining) [2022-12-14 14:19:56,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (1 of 18 remaining) [2022-12-14 14:19:56,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK (0 of 18 remaining) [2022-12-14 14:19:56,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:19:56,434 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 14:19:56,439 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:19:56,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:19:56 BoogieIcfgContainer [2022-12-14 14:19:56,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:19:56,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:19:56,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:19:56,455 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:19:56,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:19:55" (3/4) ... [2022-12-14 14:19:56,457 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 14:19:56,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1fed17-36b6-466e-be53-ac37a44e9122/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 14:19:56,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:19:56,482 INFO L158 Benchmark]: Toolchain (without parser) took 1250.11ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 99.2MB in the beginning and 114.2MB in the end (delta: -15.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-12-14 14:19:56,483 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:19:56,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.94ms. Allocated memory is still 140.5MB. Free memory was 99.0MB in the beginning and 88.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 14:19:56,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.60ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:19:56,483 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 140.5MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:19:56,484 INFO L158 Benchmark]: RCFGBuilder took 360.95ms. Allocated memory is still 140.5MB. Free memory was 85.3MB in the beginning and 66.2MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 14:19:56,484 INFO L158 Benchmark]: TraceAbstraction took 622.56ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 65.6MB in the beginning and 116.3MB in the end (delta: -50.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:19:56,484 INFO L158 Benchmark]: Witness Printer took 27.21ms. Allocated memory is still 169.9MB. Free memory was 116.3MB in the beginning and 114.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 14:19:56,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.94ms. Allocated memory is still 140.5MB. Free memory was 99.0MB in the beginning and 88.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.60ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 140.5MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.95ms. Allocated memory is still 140.5MB. Free memory was 85.3MB in the beginning and 66.2MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 622.56ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 65.6MB in the beginning and 116.3MB in the end (delta: -50.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 27.21ms. Allocated memory is still 169.9MB. Free memory was 116.3MB in the beginning and 114.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L16] unsigned int M = __VERIFIER_nondet_uint(); [L17] int A[M], B[M], C[M]; [L18] unsigned int i; [L20] i=0 VAL [A={6:0}, B={5:0}, C={4:0}, i=0, M=1073741824] [L20] COND TRUE i