./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/sum_array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 08:22:57,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:22:57,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:22:57,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:22:57,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:22:57,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:22:57,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:22:57,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:22:57,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:22:57,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:22:57,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:22:57,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:22:57,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:22:57,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:22:57,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:22:57,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:22:57,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:22:57,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:22:57,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:22:57,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:22:57,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:22:57,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:22:57,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:22:57,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:22:57,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:22:57,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:22:57,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:22:57,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:22:57,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:22:57,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:22:57,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:22:57,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:22:57,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:22:57,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:22:57,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:22:57,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:22:57,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:22:57,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:22:57,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:22:57,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:22:57,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:22:57,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-19 08:22:57,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:22:57,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:22:57,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:22:57,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:22:57,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:22:57,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:22:57,976 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:22:57,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:22:57,976 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:22:57,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:22:57,977 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:22:57,977 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:22:57,977 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:22:57,978 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:22:57,978 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:22:57,978 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:22:57,978 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:22:57,979 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:22:57,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 08:22:57,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 08:22:57,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:22:57,980 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:22:57,980 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:22:57,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:22:57,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:22:57,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:22:57,981 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 08:22:57,982 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 08:22:57,982 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 08:22:57,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:22:57,982 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:22:57,983 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:22:57,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:22:57,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:22:57,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:22:57,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:22:57,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:22:57,984 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:22:57,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:22:57,985 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:22:57,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:22:57,985 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:22:57,985 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_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0ce6e358e97991ebbe821b374467d4ac3ee0da45122333d4b5212eb8135ac7d [2022-11-19 08:22:58,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:22:58,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:22:58,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:22:58,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:22:58,292 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:22:58,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/loops/sum_array-1.c [2022-11-19 08:22:58,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/data/9915cddf8/d65180cdc94842b99607484aa069486c/FLAG961a40a3c [2022-11-19 08:22:58,836 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:22:58,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/sv-benchmarks/c/loops/sum_array-1.c [2022-11-19 08:22:58,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/data/9915cddf8/d65180cdc94842b99607484aa069486c/FLAG961a40a3c [2022-11-19 08:22:59,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/data/9915cddf8/d65180cdc94842b99607484aa069486c [2022-11-19 08:22:59,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:22:59,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:22:59,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:22:59,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:22:59,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:22:59,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce56974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59, skipping insertion in model container [2022-11-19 08:22:59,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:22:59,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:22:59,516 WARN L234 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_af60bfba-548c-4001-a960-2e65fe539888/sv-benchmarks/c/loops/sum_array-1.c[363,376] [2022-11-19 08:22:59,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:22:59,556 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:22:59,568 WARN L234 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_af60bfba-548c-4001-a960-2e65fe539888/sv-benchmarks/c/loops/sum_array-1.c[363,376] [2022-11-19 08:22:59,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:22:59,591 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:22:59,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59 WrapperNode [2022-11-19 08:22:59,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:22:59,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:22:59,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:22:59,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:22:59,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,630 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-11-19 08:22:59,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:22:59,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:22:59,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:22:59,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:22:59,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,657 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:22:59,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:22:59,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:22:59,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:22:59,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (1/1) ... [2022-11-19 08:22:59,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:22:59,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:22:59,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:22:59,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:22:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:22:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:22:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:22:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:22:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:22:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:22:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:22:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:22:59,825 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:22:59,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:23:00,222 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:23:00,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:23:00,360 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 08:23:00,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:23:00 BoogieIcfgContainer [2022-11-19 08:23:00,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:23:00,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:23:00,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:23:00,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:23:00,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:22:59" (1/3) ... [2022-11-19 08:23:00,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72844d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:23:00, skipping insertion in model container [2022-11-19 08:23:00,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:22:59" (2/3) ... [2022-11-19 08:23:00,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72844d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:23:00, skipping insertion in model container [2022-11-19 08:23:00,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:23:00" (3/3) ... [2022-11-19 08:23:00,375 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array-1.c [2022-11-19 08:23:00,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:23:00,394 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-19 08:23:00,465 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:23:00,477 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;@5b2f43db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:23:00,478 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-19 08:23:00,485 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) [2022-11-19 08:23:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-19 08:23:00,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:00,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-19 08:23:00,495 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)] === [2022-11-19 08:23:00,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:00,502 INFO L85 PathProgramCache]: Analyzing trace with hash 131979, now seen corresponding path program 1 times [2022-11-19 08:23:00,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:00,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967452184] [2022-11-19 08:23:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:00,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:23:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:23:00,999 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:23:00,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967452184] [2022-11-19 08:23:01,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967452184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:23:01,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:23:01,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 08:23:01,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037375357] [2022-11-19 08:23:01,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:23:01,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:23:01,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:23:01,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:23:01,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:23:01,044 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) [2022-11-19 08:23:01,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:23:01,129 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-19 08:23:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:23:01,131 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 [2022-11-19 08:23:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:23:01,139 INFO L225 Difference]: With dead ends: 33 [2022-11-19 08:23:01,139 INFO L226 Difference]: Without dead ends: 32 [2022-11-19 08:23:01,141 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 [2022-11-19 08:23:01,144 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:23:01,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 13 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:23:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-19 08:23:01,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-19 08:23:01,174 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) [2022-11-19 08:23:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-11-19 08:23:01,176 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 3 [2022-11-19 08:23:01,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:23:01,177 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-11-19 08:23:01,177 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) [2022-11-19 08:23:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-11-19 08:23:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-19 08:23:01,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:23:01,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-19 08:23:01,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:23:01,179 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)] === [2022-11-19 08:23:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:23:01,180 INFO L85 PathProgramCache]: Analyzing trace with hash 131980, now seen corresponding path program 1 times [2022-11-19 08:23:01,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:23:01,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208577958] [2022-11-19 08:23:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:23:01,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:23:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:23:01,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:23:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:23:01,260 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:23:01,261 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:23:01,263 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 18 remaining) [2022-11-19 08:23:01,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 18 remaining) [2022-11-19 08:23:01,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 18 remaining) [2022-11-19 08:23:01,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 18 remaining) [2022-11-19 08:23:01,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 18 remaining) [2022-11-19 08:23:01,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 18 remaining) [2022-11-19 08:23:01,271 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 18 remaining) [2022-11-19 08:23:01,272 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 18 remaining) [2022-11-19 08:23:01,273 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 18 remaining) [2022-11-19 08:23:01,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 18 remaining) [2022-11-19 08:23:01,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 18 remaining) [2022-11-19 08:23:01,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 18 remaining) [2022-11-19 08:23:01,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 18 remaining) [2022-11-19 08:23:01,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 18 remaining) [2022-11-19 08:23:01,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 18 remaining) [2022-11-19 08:23:01,277 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 18 remaining) [2022-11-19 08:23:01,278 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (1 of 18 remaining) [2022-11-19 08:23:01,279 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK (0 of 18 remaining) [2022-11-19 08:23:01,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:23:01,291 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 08:23:01,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:23:01,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:23:01 BoogieIcfgContainer [2022-11-19 08:23:01,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:23:01,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:23:01,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:23:01,312 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:23:01,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:23:00" (3/4) ... [2022-11-19 08:23:01,315 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-19 08:23:01,339 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60bfba-548c-4001-a960-2e65fe539888/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:23:01,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:23:01,340 INFO L158 Benchmark]: Toolchain (without parser) took 2105.83ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 72.3MB in the beginning and 49.7MB in the end (delta: 22.6MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-11-19 08:23:01,341 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:23:01,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.13ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 72.3MB in the beginning and 117.4MB in the end (delta: -45.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:23:01,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.25ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 116.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:23:01,342 INFO L158 Benchmark]: Boogie Preprocessor took 29.14ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 114.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:23:01,343 INFO L158 Benchmark]: RCFGBuilder took 702.64ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 95.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 08:23:01,343 INFO L158 Benchmark]: TraceAbstraction took 945.35ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 51.8MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-19 08:23:01,344 INFO L158 Benchmark]: Witness Printer took 28.10ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:23:01,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.13ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 72.3MB in the beginning and 117.4MB in the end (delta: -45.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.25ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 116.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.14ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 114.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.64ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 95.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 945.35ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 51.8MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 28.10ms. Allocated memory is still 142.6MB. Free memory was 51.8MB in the beginning and 49.7MB 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