./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero3_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f 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_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero3_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0 --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 f8ef618a7358dc412b70902583de953a04e571e0ed67df570396dd01a1cd7ca7 --- 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-e04fb08 [2022-11-16 20:24:47,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:24:47,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:24:47,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:24:47,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:24:47,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:24:47,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:24:47,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:24:47,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:24:47,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:24:47,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:24:47,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:24:47,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:24:47,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:24:47,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:24:47,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:24:47,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:24:47,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:24:47,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:24:47,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:24:47,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:24:47,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:24:47,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:24:47,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:24:47,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:24:47,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:24:47,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:24:47,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:24:47,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:24:47,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:24:47,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:24:47,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:24:47,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:24:47,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:24:47,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:24:47,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:24:47,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:24:47,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:24:47,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:24:47,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:24:47,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:24:47,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-16 20:24:47,719 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:24:47,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:24:47,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:24:47,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:24:47,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:24:47,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:24:47,722 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:24:47,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:24:47,722 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:24:47,722 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:24:47,722 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:24:47,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:24:47,723 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:24:47,723 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:24:47,723 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:24:47,724 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:24:47,724 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:24:47,724 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:24:47,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 20:24:47,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 20:24:47,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:24:47,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:24:47,726 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:24:47,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:24:47,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:24:47,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:24:47,726 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 20:24:47,727 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 20:24:47,727 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 20:24:47,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:24:47,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 20:24:47,727 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:24:47,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:24:47,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:24:47,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:24:47,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:24:47,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:24:47,729 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:24:47,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:24:47,729 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:24:47,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:24:47,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:24:47,730 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_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8ef618a7358dc412b70902583de953a04e571e0ed67df570396dd01a1cd7ca7 [2022-11-16 20:24:48,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:24:48,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:24:48,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:24:48,042 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:24:48,043 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:24:48,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-memsafety/memsetNonZero3_-write.c [2022-11-16 20:24:48,119 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/data/c485320da/9b7c0ee23004436bb24a701b7d87f4d8/FLAGf51e99249 [2022-11-16 20:24:48,551 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:24:48,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/sv-benchmarks/c/ldv-memsafety/memsetNonZero3_-write.c [2022-11-16 20:24:48,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/data/c485320da/9b7c0ee23004436bb24a701b7d87f4d8/FLAGf51e99249 [2022-11-16 20:24:48,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/data/c485320da/9b7c0ee23004436bb24a701b7d87f4d8 [2022-11-16 20:24:48,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:24:48,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:24:48,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:24:48,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:24:48,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:24:48,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:24:48" (1/1) ... [2022-11-16 20:24:48,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72513a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:48, skipping insertion in model container [2022-11-16 20:24:48,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:24:48" (1/1) ... [2022-11-16 20:24:48,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:24:48,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:24:49,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:24:49,202 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:24:49,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:24:49,231 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:24:49,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49 WrapperNode [2022-11-16 20:24:49,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:24:49,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:24:49,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:24:49,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:24:49,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,267 INFO L138 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2022-11-16 20:24:49,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:24:49,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:24:49,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:24:49,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:24:49,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,287 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:24:49,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:24:49,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:24:49,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:24:49,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (1/1) ... [2022-11-16 20:24:49,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:24:49,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:24:49,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:24:49,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:24:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:24:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:24:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:24:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:24:49,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:24:49,459 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:24:49,627 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:24:49,656 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:24:49,657 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 20:24:49,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:24:49 BoogieIcfgContainer [2022-11-16 20:24:49,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:24:49,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:24:49,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:24:49,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:24:49,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:24:48" (1/3) ... [2022-11-16 20:24:49,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230e267d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:24:49, skipping insertion in model container [2022-11-16 20:24:49,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:49" (2/3) ... [2022-11-16 20:24:49,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230e267d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:24:49, skipping insertion in model container [2022-11-16 20:24:49,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:24:49" (3/3) ... [2022-11-16 20:24:49,697 INFO L112 eAbstractionObserver]: Analyzing ICFG memsetNonZero3_-write.c [2022-11-16 20:24:49,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:24:49,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-16 20:24:49,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:24:49,777 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;@1d520f42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:24:49,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 20:24:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 5 states have (on average 1.8) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-16 20:24:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 20:24:49,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:24:49,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-16 20:24:49,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-16 20:24:49,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:24:49,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1553, now seen corresponding path program 1 times [2022-11-16 20:24:49,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:24:49,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435142214] [2022-11-16 20:24:49,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:24:49,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:24:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:24:50,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:24:50,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:24:50,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435142214] [2022-11-16 20:24:50,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435142214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:24:50,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:24:50,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 20:24:50,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665357127] [2022-11-16 20:24:50,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:24:50,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:24:50,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:24:50,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:24:50,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:24:50,068 INFO L87 Difference]: Start difference. First operand has 9 states, 5 states have (on average 1.8) internal successors, (9), 8 states have internal predecessors, (9), 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 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-16 20:24:50,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:24:50,102 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2022-11-16 20:24:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:24:50,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-16 20:24:50,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:24:50,114 INFO L225 Difference]: With dead ends: 8 [2022-11-16 20:24:50,114 INFO L226 Difference]: Without dead ends: 7 [2022-11-16 20:24:50,116 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 [2022-11-16 20:24:50,120 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:24:50,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 20:24:50,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-11-16 20:24:50,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-11-16 20:24:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-11-16 20:24:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-11-16 20:24:50,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 2 [2022-11-16 20:24:50,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:24:50,152 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2022-11-16 20:24:50,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-16 20:24:50,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-11-16 20:24:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 20:24:50,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:24:50,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-16 20:24:50,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:24:50,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK] === [2022-11-16 20:24:50,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:24:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 48179, now seen corresponding path program 1 times [2022-11-16 20:24:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:24:50,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126282418] [2022-11-16 20:24:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:24:50,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:24:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 20:24:50,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 20:24:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 20:24:50,206 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 20:24:50,206 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 20:24:50,208 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE (2 of 3 remaining) [2022-11-16 20:24:50,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE (1 of 3 remaining) [2022-11-16 20:24:50,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (0 of 3 remaining) [2022-11-16 20:24:50,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:24:50,214 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 20:24:50,219 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 20:24:50,226 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,227 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,227 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:24:50 BoogieIcfgContainer [2022-11-16 20:24:50,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:24:50,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:24:50,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:24:50,239 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:24:50,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:24:49" (3/4) ... [2022-11-16 20:24:50,241 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 20:24:50,242 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,242 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,242 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,243 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,243 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,243 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-16 20:24:50,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 20:24:50,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:24:50,279 INFO L158 Benchmark]: Toolchain (without parser) took 1333.28ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 62.0MB in the end (delta: 24.9MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-11-16 20:24:50,279 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:24:50,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.20ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 103.4MB in the end (delta: -16.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 20:24:50,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.36ms. Allocated memory is still 125.8MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:24:50,281 INFO L158 Benchmark]: Boogie Preprocessor took 21.22ms. Allocated memory is still 125.8MB. Free memory was 101.8MB in the beginning and 100.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:24:50,281 INFO L158 Benchmark]: RCFGBuilder took 371.26ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 90.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 20:24:50,282 INFO L158 Benchmark]: TraceAbstraction took 558.58ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 64.1MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-16 20:24:50,282 INFO L158 Benchmark]: Witness Printer took 39.95ms. Allocated memory is still 125.8MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:24:50,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.20ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 103.4MB in the end (delta: -16.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.36ms. Allocated memory is still 125.8MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.22ms. Allocated memory is still 125.8MB. Free memory was 101.8MB in the beginning and 100.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.26ms. Allocated memory is still 125.8MB. Free memory was 100.7MB in the beginning and 90.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 558.58ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 64.1MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 39.95ms. Allocated memory is still 125.8MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * 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: [L26] struct ppp_comp_stats cstats ; [L27] void *point; [L28] point = (void *)(& cstats) [L29] CALL memset(point, 10, 81UL) - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-16 20:24:50,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a0db47f-5fc4-462c-b4d1-45baddaa6af2/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)