./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW --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 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --- 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-4e7fbc6 [2022-11-23 14:32:33,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:32:33,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:32:33,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:32:33,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:32:33,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:32:33,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:32:33,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:32:33,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:32:33,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:32:33,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:32:33,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:32:33,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:32:33,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:32:33,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:32:33,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:32:33,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:32:33,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:32:33,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:32:33,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:32:33,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:32:33,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:32:33,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:32:33,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:32:33,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:32:33,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:32:33,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:32:33,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:32:33,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:32:33,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:32:33,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:32:33,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:32:33,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:32:33,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:32:33,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:32:33,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:32:33,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:32:33,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:32:33,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:32:33,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:32:33,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:32:33,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 14:32:33,663 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:32:33,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:32:33,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:32:33,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:32:33,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:32:33,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:32:33,666 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:32:33,667 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:32:33,667 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:32:33,667 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:32:33,668 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:32:33,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:32:33,669 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:32:33,669 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:32:33,670 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:32:33,670 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:32:33,670 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:32:33,671 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:32:33,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:32:33,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:32:33,673 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:32:33,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:32:33,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:32:33,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:32:33,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:32:33,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:32:33,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:32:33,675 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:32:33,676 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:32:33,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:32:33,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:32:33,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:32:33,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:32:33,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:32:33,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:32:33,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:32:33,680 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:32:33,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:32:33,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:32:33,681 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:32:33,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:32:33,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:32:33,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:32:33,682 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_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 [2022-11-23 14:32:34,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:32:34,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:32:34,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:32:34,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:32:34,128 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:32:34,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-23 14:32:37,516 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:32:37,838 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:32:37,839 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-23 14:32:37,849 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/data/714ffb035/1de7242126124b66b773f33920d9d136/FLAGe6abfbfa2 [2022-11-23 14:32:37,875 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/data/714ffb035/1de7242126124b66b773f33920d9d136 [2022-11-23 14:32:37,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:32:37,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:32:37,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:32:37,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:32:37,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:32:37,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:32:37" (1/1) ... [2022-11-23 14:32:37,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588ab1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:37, skipping insertion in model container [2022-11-23 14:32:37,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:32:37" (1/1) ... [2022-11-23 14:32:37,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:32:37,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:32:38,219 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_d052bb22-08ca-4769-88e7-52241f29b6bb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-23 14:32:38,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:32:38,245 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:32:38,287 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_d052bb22-08ca-4769-88e7-52241f29b6bb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-23 14:32:38,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:32:38,310 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:32:38,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38 WrapperNode [2022-11-23 14:32:38,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:32:38,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:32:38,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:32:38,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:32:38,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,386 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-11-23 14:32:38,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:32:38,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:32:38,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:32:38,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:32:38,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:32:38,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:32:38,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:32:38,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:32:38,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (1/1) ... [2022-11-23 14:32:38,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:32:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:32:38,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:32:38,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:32:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:32:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 14:32:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 14:32:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 14:32:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 14:32:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-23 14:32:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-23 14:32:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-23 14:32:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-23 14:32:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:32:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:32:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:32:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:32:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:32:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:32:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:32:38,566 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:32:38,705 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:32:38,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:32:39,057 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:32:39,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:32:39,067 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 14:32:39,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:39 BoogieIcfgContainer [2022-11-23 14:32:39,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:32:39,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:32:39,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:32:39,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:32:39,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:32:37" (1/3) ... [2022-11-23 14:32:39,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed0d1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:32:39, skipping insertion in model container [2022-11-23 14:32:39,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:32:38" (2/3) ... [2022-11-23 14:32:39,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed0d1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:32:39, skipping insertion in model container [2022-11-23 14:32:39,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:39" (3/3) ... [2022-11-23 14:32:39,096 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2022-11-23 14:32:39,108 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:32:39,124 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:32:39,124 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 14:32:39,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed0d1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:32:39, skipping insertion in model container [2022-11-23 14:32:39,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:32:39,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:32:39,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:32:39,129 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:32:39,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:32:39" (3/3) ... [2022-11-23 14:32:39,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:32:39,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-23 14:32:39,143 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-23 14:32:39,143 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-23 14:32:39,144 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-23 14:32:39,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-23 14:32:39,153 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 14:32:39,153 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:32:39,153 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:32:39,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:32:39,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:32:39,227 INFO L158 Benchmark]: Toolchain (without parser) took 1346.03ms. Allocated memory is still 157.3MB. Free memory was 125.1MB in the beginning and 88.9MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-23 14:32:39,227 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:32:39,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.01ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 113.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 14:32:39,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.21ms. Allocated memory is still 157.3MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:32:39,229 INFO L158 Benchmark]: Boogie Preprocessor took 65.70ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 110.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:32:39,230 INFO L158 Benchmark]: RCFGBuilder took 616.19ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 95.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:32:39,235 INFO L158 Benchmark]: TraceAbstraction took 53.61ms. Allocated memory is still 157.3MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:32:39,236 INFO L158 Benchmark]: Witness Printer took 97.31ms. Allocated memory is still 157.3MB. Free memory was 92.2MB in the beginning and 88.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:32:39,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.01ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 113.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.21ms. Allocated memory is still 157.3MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.70ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 110.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.19ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 95.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 53.61ms. Allocated memory is still 157.3MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 97.31ms. Allocated memory is still 157.3MB. Free memory was 92.2MB in the beginning and 88.9MB in the end (delta: 3.2MB). 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! [2022-11-23 14:32:39,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d052bb22-08ca-4769-88e7-52241f29b6bb/bin/utaipan-Q6hlc19bkW/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