./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34a6ac0ae0ce2a1c52f2cb4ae9d4f0c1b839747b10af516fd9266f613d6dd593 --- 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-b5237d8 [2022-11-22 02:13:09,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:13:09,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:13:09,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:13:09,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:13:09,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:13:09,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:13:09,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:13:09,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:13:09,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:13:09,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:13:09,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:13:09,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:13:09,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:13:09,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:13:09,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:13:09,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:13:09,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:13:09,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:13:09,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:13:09,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:13:09,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:13:09,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:13:09,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:13:09,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:13:09,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:13:09,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:13:09,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:13:09,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:13:09,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:13:09,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:13:09,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:13:09,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:13:09,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:13:09,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:13:09,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:13:09,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:13:09,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:13:09,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:13:09,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:13:09,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:13:09,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:13:09,447 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:13:09,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:13:09,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:13:09,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:13:09,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:13:09,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:13:09,450 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:13:09,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:13:09,451 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:13:09,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:13:09,452 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:13:09,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:13:09,453 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:13:09,453 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:13:09,453 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:13:09,454 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:13:09,454 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:13:09,454 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:13:09,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:13:09,455 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:13:09,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:13:09,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:13:09,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:13:09,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:13:09,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:13:09,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:13:09,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:13:09,457 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:13:09,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:13:09,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:13:09,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:13:09,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:13:09,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:13:09,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:13:09,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:13:09,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:13:09,460 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:13:09,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:13:09,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:13:09,461 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:13:09,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:13:09,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:13:09,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:13:09,462 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_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34a6ac0ae0ce2a1c52f2cb4ae9d4f0c1b839747b10af516fd9266f613d6dd593 [2022-11-22 02:13:09,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:13:09,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:13:09,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:13:09,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:13:09,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:13:09,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i [2022-11-22 02:13:13,089 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:13:13,397 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:13:13,397 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i [2022-11-22 02:13:13,405 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/data/ebcdefecc/434ae987183a480f9833ed5475c91898/FLAG168f486ea [2022-11-22 02:13:13,423 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/data/ebcdefecc/434ae987183a480f9833ed5475c91898 [2022-11-22 02:13:13,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:13:13,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:13:13,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:13:13,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:13:13,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:13:13,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659df4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13, skipping insertion in model container [2022-11-22 02:13:13,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:13:13,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:13:13,641 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_2b705408-a85f-4bf2-b1cb-05187c8ee87f/sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i[904,917] [2022-11-22 02:13:13,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:13:13,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:13:13,674 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_2b705408-a85f-4bf2-b1cb-05187c8ee87f/sv-benchmarks/c/loop-zilu/benchmark02_linear_abstracted.i[904,917] [2022-11-22 02:13:13,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:13:13,692 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:13:13,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13 WrapperNode [2022-11-22 02:13:13,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:13:13,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:13:13,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:13:13,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:13:13,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,729 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2022-11-22 02:13:13,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:13:13,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:13:13,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:13:13,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:13:13,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,756 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:13:13,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:13:13,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:13:13,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:13:13,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (1/1) ... [2022-11-22 02:13:13,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:13:13,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:13:13,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:13:13,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:13:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:13:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:13:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:13:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:13:13,938 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:13:13,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:13:14,128 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:13:14,228 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:13:14,229 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:13:14,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:13:14 BoogieIcfgContainer [2022-11-22 02:13:14,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:13:14,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:13:14,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:13:14,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:13:14,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:13:13" (1/3) ... [2022-11-22 02:13:14,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b78b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:13:14, skipping insertion in model container [2022-11-22 02:13:14,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:13:13" (2/3) ... [2022-11-22 02:13:14,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b78b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:13:14, skipping insertion in model container [2022-11-22 02:13:14,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:13:14" (3/3) ... [2022-11-22 02:13:14,243 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark02_linear_abstracted.i [2022-11-22 02:13:14,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:13:14,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-22 02:13:14,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75b78b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:13:14, skipping insertion in model container [2022-11-22 02:13:14,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:13:14,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:13:14,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:13:14,269 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:13:14,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:13:14" (3/3) ... [2022-11-22 02:13:14,273 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:13:14,284 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-22 02:13:14,285 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-22 02:13:14,285 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 02:13:14,286 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:13:14,328 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:13:14,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:13:14,331 INFO L158 Benchmark]: Toolchain (without parser) took 901.78ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 99.8MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-22 02:13:14,331 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:13:14,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 120.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 02:13:14,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.72ms. Allocated memory is still 161.5MB. Free memory was 120.8MB in the beginning and 119.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:13:14,334 INFO L158 Benchmark]: Boogie Preprocessor took 28.09ms. Allocated memory is still 161.5MB. Free memory was 119.3MB in the beginning and 117.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:13:14,334 INFO L158 Benchmark]: RCFGBuilder took 471.36ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 104.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:13:14,335 INFO L158 Benchmark]: TraceAbstraction took 32.93ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 101.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:13:14,336 INFO L158 Benchmark]: Witness Printer took 60.63ms. Allocated memory is still 161.5MB. Free memory was 101.8MB in the beginning and 99.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:13:14,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 161.5MB. Free memory was 130.4MB in the beginning and 120.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.72ms. Allocated memory is still 161.5MB. Free memory was 120.8MB in the beginning and 119.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.09ms. Allocated memory is still 161.5MB. Free memory was 119.3MB in the beginning and 117.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.36ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 104.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 32.93ms. Allocated memory is still 161.5MB. Free memory was 104.0MB in the beginning and 101.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 60.63ms. Allocated memory is still 161.5MB. Free memory was 101.8MB in the beginning and 99.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-22 02:13:14,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b705408-a85f-4bf2-b1cb-05187c8ee87f/bin/utaipan-g80aRyZoba/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 Result: TRUE