./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:02:42,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:02:42,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:02:42,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:02:42,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:02:42,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:02:42,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:02:42,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:02:42,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:02:42,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:02:42,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:02:42,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:02:42,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:02:42,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:02:42,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:02:42,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:02:42,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:02:42,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:02:42,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:02:42,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:02:42,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:02:42,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:02:42,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:02:42,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:02:42,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:02:42,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:02:42,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:02:42,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:02:42,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:02:42,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:02:42,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:02:42,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:02:42,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:02:42,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:02:42,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:02:42,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:02:42,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:02:42,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:02:42,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:02:42,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:02:42,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:02:42,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 11:02:42,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:02:42,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:02:42,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:02:42,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:02:42,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:02:42,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:02:42,550 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:02:42,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:02:42,550 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:02:42,550 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:02:42,551 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:02:42,551 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:02:42,551 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:02:42,551 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:02:42,551 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:02:42,552 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:02:42,552 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:02:42,552 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:02:42,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 11:02:42,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 11:02:42,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:02:42,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:02:42,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:02:42,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:02:42,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:02:42,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:02:42,554 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 11:02:42,554 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 11:02:42,554 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 11:02:42,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:02:42,555 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 11:02:42,555 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:02:42,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:02:42,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:02:42,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:02:42,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:02:42,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:02:42,556 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:02:42,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:02:42,557 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:02:42,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:02:42,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:02:42,557 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_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 295b17c4ca5a4afcf4a0f36e9026f57ef5bd93d017747132380452b1ff4662bd [2022-12-14 11:02:42,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:02:42,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:02:42,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:02:42,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:02:42,761 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:02:42,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/loops/insertion_sort-1.c [2022-12-14 11:02:45,376 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:02:45,523 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:02:45,523 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/sv-benchmarks/c/loops/insertion_sort-1.c [2022-12-14 11:02:45,527 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/data/f7acb15b5/ff81d1e426154b0bb0c32b4f8684e0d2/FLAG26d6df39b [2022-12-14 11:02:45,538 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/data/f7acb15b5/ff81d1e426154b0bb0c32b4f8684e0d2 [2022-12-14 11:02:45,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:02:45,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:02:45,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:02:45,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:02:45,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:02:45,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f5d1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45, skipping insertion in model container [2022-12-14 11:02:45,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:02:45,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:02:45,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/sv-benchmarks/c/loops/insertion_sort-1.c[328,341] [2022-12-14 11:02:45,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:02:45,709 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:02:45,720 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/sv-benchmarks/c/loops/insertion_sort-1.c[328,341] [2022-12-14 11:02:45,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:02:45,741 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:02:45,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45 WrapperNode [2022-12-14 11:02:45,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:02:45,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:02:45,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:02:45,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:02:45,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,775 INFO L138 Inliner]: procedures = 15, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-12-14 11:02:45,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:02:45,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:02:45,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:02:45,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:02:45,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:02:45,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:02:45,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:02:45,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:02:45,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (1/1) ... [2022-12-14 11:02:45,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:02:45,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:02:45,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:02:45,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:02:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:02:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:02:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:02:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:02:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:02:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:02:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:02:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:02:45,926 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:02:45,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:02:46,108 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:02:46,157 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:02:46,157 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 11:02:46,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:46 BoogieIcfgContainer [2022-12-14 11:02:46,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:02:46,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:02:46,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:02:46,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:02:46,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:02:45" (1/3) ... [2022-12-14 11:02:46,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7fb58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:02:46, skipping insertion in model container [2022-12-14 11:02:46,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:45" (2/3) ... [2022-12-14 11:02:46,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7fb58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:02:46, skipping insertion in model container [2022-12-14 11:02:46,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:46" (3/3) ... [2022-12-14 11:02:46,170 INFO L112 eAbstractionObserver]: Analyzing ICFG insertion_sort-1.c [2022-12-14 11:02:46,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:02:46,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-12-14 11:02:46,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:02:46,230 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;@2f40b2d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:02:46,230 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-12-14 11:02:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 21 states have (on average 2.238095238095238) internal successors, (47), 39 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:02:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 11:02:46,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:02:46,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 11:02:46,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2022-12-14 11:02:46,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:02:46,242 INFO L85 PathProgramCache]: Analyzing trace with hash 147355, now seen corresponding path program 1 times [2022-12-14 11:02:46,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:02:46,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35602694] [2022-12-14 11:02:46,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:02:46,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:02:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:02:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 11:02:46,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:02:46,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35602694] [2022-12-14 11:02:46,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35602694] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:02:46,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:02:46,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 11:02:46,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444572817] [2022-12-14 11:02:46,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:02:46,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 11:02:46,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:02:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 11:02:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:02:46,468 INFO L87 Difference]: Start difference. First operand has 40 states, 21 states have (on average 2.238095238095238) internal successors, (47), 39 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:02:46,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:02:46,520 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2022-12-14 11:02:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 11:02:46,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-12-14 11:02:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:02:46,530 INFO L225 Difference]: With dead ends: 32 [2022-12-14 11:02:46,530 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 11:02:46,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 11:02:46,535 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 11:02:46,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 15 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 11:02:46,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 11:02:46,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-12-14 11:02:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:02:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-12-14 11:02:46,558 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 3 [2022-12-14 11:02:46,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:02:46,559 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-12-14 11:02:46,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 11:02:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-12-14 11:02:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 11:02:46,559 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:02:46,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 11:02:46,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 11:02:46,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 15 more)] === [2022-12-14 11:02:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:02:46,560 INFO L85 PathProgramCache]: Analyzing trace with hash 147356, now seen corresponding path program 1 times [2022-12-14 11:02:46,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:02:46,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142925972] [2022-12-14 11:02:46,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:02:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:02:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:02:46,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 11:02:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 11:02:46,612 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 11:02:46,613 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 11:02:46,614 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 18 remaining) [2022-12-14 11:02:46,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 18 remaining) [2022-12-14 11:02:46,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 18 remaining) [2022-12-14 11:02:46,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 18 remaining) [2022-12-14 11:02:46,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 18 remaining) [2022-12-14 11:02:46,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 18 remaining) [2022-12-14 11:02:46,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 18 remaining) [2022-12-14 11:02:46,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 18 remaining) [2022-12-14 11:02:46,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 18 remaining) [2022-12-14 11:02:46,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 18 remaining) [2022-12-14 11:02:46,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 18 remaining) [2022-12-14 11:02:46,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 18 remaining) [2022-12-14 11:02:46,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 18 remaining) [2022-12-14 11:02:46,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 18 remaining) [2022-12-14 11:02:46,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 18 remaining) [2022-12-14 11:02:46,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 18 remaining) [2022-12-14 11:02:46,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (1 of 18 remaining) [2022-12-14 11:02:46,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK (0 of 18 remaining) [2022-12-14 11:02:46,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 11:02:46,625 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 11:02:46,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 11:02:46,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 11:02:46 BoogieIcfgContainer [2022-12-14 11:02:46,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 11:02:46,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 11:02:46,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 11:02:46,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 11:02:46,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:46" (3/4) ... [2022-12-14 11:02:46,647 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 11:02:46,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff9d279-d9e4-4998-acc7-21daaa868a23/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 11:02:46,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 11:02:46,671 INFO L158 Benchmark]: Toolchain (without parser) took 1130.05ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 83.2MB in the beginning and 100.0MB in the end (delta: -16.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-12-14 11:02:46,671 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:02:46,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.44ms. Allocated memory is still 115.3MB. Free memory was 83.0MB in the beginning and 72.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 11:02:46,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.09ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:02:46,672 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 115.3MB. Free memory was 70.8MB in the beginning and 69.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 11:02:46,672 INFO L158 Benchmark]: RCFGBuilder took 358.95ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 52.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 11:02:46,672 INFO L158 Benchmark]: TraceAbstraction took 482.58ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 51.6MB in the beginning and 101.2MB in the end (delta: -49.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:02:46,673 INFO L158 Benchmark]: Witness Printer took 25.73ms. Allocated memory is still 153.1MB. Free memory was 101.2MB in the beginning and 100.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 11:02:46,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.44ms. Allocated memory is still 115.3MB. Free memory was 83.0MB in the beginning and 72.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.09ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 115.3MB. Free memory was 70.8MB in the beginning and 69.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.95ms. Allocated memory is still 115.3MB. Free memory was 69.4MB in the beginning and 52.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 482.58ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 51.6MB in the beginning and 101.2MB in the end (delta: -49.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 25.73ms. Allocated memory is still 153.1MB. Free memory was 101.2MB in the beginning and 100.0MB in the end (delta: 1.3MB). There was no memory consumed. 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: [L14] unsigned int SIZE=__VERIFIER_nondet_uint(); [L15] int i, j, k, key; [L16] int v[SIZE]; [L17] j=0 VAL [j=0, SIZE=3221225472, v={4:0}] [L17] COND TRUE j