./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS --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 adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:00:20,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:00:20,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:00:20,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:00:20,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:00:20,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:00:20,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:00:20,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:00:20,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:00:20,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:00:20,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:00:20,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:00:20,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:00:20,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:00:20,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:00:20,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:00:20,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:00:20,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:00:20,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:00:20,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:00:20,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:00:20,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:00:20,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:00:20,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:00:20,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:00:20,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:00:20,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:00:20,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:00:20,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:00:20,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:00:20,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:00:20,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:00:20,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:00:20,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:00:20,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:00:20,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:00:20,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:00:20,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:00:20,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:00:20,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:00:20,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:00:20,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:00:20,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:00:20,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:00:20,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:00:20,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:00:20,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:00:20,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:00:20,412 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:00:20,412 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:00:20,412 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:00:20,413 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:00:20,414 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:00:20,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:00:20,414 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:00:20,415 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:00:20,415 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:00:20,415 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:00:20,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:00:20,416 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:00:20,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:00:20,417 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:00:20,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:00:20,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:00:20,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:00:20,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:00:20,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:00:20,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:00:20,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:00:20,420 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:00:20,420 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:00:20,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:00:20,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:00:20,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:00:20,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:00:20,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:00:20,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:20,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:00:20,422 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:00:20,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:00:20,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:00:20,424 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:00:20,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:00:20,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:00:20,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:00:20,425 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_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2022-11-19 08:00:20,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:00:20,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:00:20,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:00:20,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:00:20,803 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:00:20,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-19 08:00:20,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/data/b83ca818a/70746712c6fb47428ab1cbb2c62ae8e4/FLAG5a10f4765 [2022-11-19 08:00:21,519 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:00:21,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-19 08:00:21,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/data/b83ca818a/70746712c6fb47428ab1cbb2c62ae8e4/FLAG5a10f4765 [2022-11-19 08:00:21,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/data/b83ca818a/70746712c6fb47428ab1cbb2c62ae8e4 [2022-11-19 08:00:21,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:00:21,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:00:21,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:21,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:00:21,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:00:21,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:21,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b0b85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:21, skipping insertion in model container [2022-11-19 08:00:21,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:21" (1/1) ... [2022-11-19 08:00:21,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:00:21,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:00:22,294 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-19 08:00:22,300 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-19 08:00:22,302 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-19 08:00:22,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:22,321 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:00:22,380 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-19 08:00:22,382 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-19 08:00:22,383 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-19 08:00:22,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:22,440 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:00:22,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22 WrapperNode [2022-11-19 08:00:22,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:22,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:22,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:00:22,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:00:22,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,496 INFO L138 Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 141 [2022-11-19 08:00:22,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:22,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:00:22,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:00:22,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:00:22,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,540 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:00:22,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:00:22,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:00:22,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:00:22,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (1/1) ... [2022-11-19 08:00:22,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:22,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:22,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:00:22,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:00:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:00:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-19 08:00:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-19 08:00:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:00:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:00:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:00:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:00:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:00:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:00:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:00:22,668 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:00:22,876 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:00:22,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:00:23,211 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:00:23,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:00:23,300 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 08:00:23,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:23 BoogieIcfgContainer [2022-11-19 08:00:23,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:00:23,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:00:23,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:00:23,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:00:23,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:21" (1/3) ... [2022-11-19 08:00:23,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19583e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:23, skipping insertion in model container [2022-11-19 08:00:23,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:22" (2/3) ... [2022-11-19 08:00:23,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19583e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:23, skipping insertion in model container [2022-11-19 08:00:23,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:23" (3/3) ... [2022-11-19 08:00:23,317 INFO L112 eAbstractionObserver]: Analyzing ICFG 08_rand_cas.i [2022-11-19 08:00:23,328 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:00:23,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:00:23,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 08:00:23,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19583e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:23, skipping insertion in model container [2022-11-19 08:00:23,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:00:23,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:00:23,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:00:23,343 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:00:23,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:23" (3/3) ... [2022-11-19 08:00:23,347 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:00:23,353 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-19 08:00:23,357 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 08:00:23,357 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:00:23,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 08:00:23,358 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:00:23,416 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:00:23,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:00:23,419 INFO L158 Benchmark]: Toolchain (without parser) took 1638.30ms. Allocated memory is still 119.5MB. Free memory was 73.0MB in the beginning and 50.1MB in the end (delta: 22.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,420 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 68.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.05ms. Allocated memory is still 119.5MB. Free memory was 72.8MB in the beginning and 81.0MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.77ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 78.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,425 INFO L158 Benchmark]: Boogie Preprocessor took 59.91ms. Allocated memory is still 119.5MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,428 INFO L158 Benchmark]: RCFGBuilder took 748.30ms. Allocated memory is still 119.5MB. Free memory was 77.0MB in the beginning and 55.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,429 INFO L158 Benchmark]: TraceAbstraction took 32.90ms. Allocated memory is still 119.5MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,429 INFO L158 Benchmark]: Witness Printer took 74.64ms. Allocated memory is still 119.5MB. Free memory was 52.1MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:00:23,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 68.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.05ms. Allocated memory is still 119.5MB. Free memory was 72.8MB in the beginning and 81.0MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.77ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 78.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.91ms. Allocated memory is still 119.5MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.30ms. Allocated memory is still 119.5MB. Free memory was 77.0MB in the beginning and 55.0MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 32.90ms. Allocated memory is still 119.5MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 74.64ms. Allocated memory is still 119.5MB. Free memory was 52.1MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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! [2022-11-19 08:00:23,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_553107d2-5f54-4199-a6dd-dfbc8d4e0027/bin/utaipan-I9t0OCRTmS/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