./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/07_rand.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:49:46,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:49:46,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:49:46,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:49:46,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:49:46,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:49:46,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:49:46,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:49:46,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:49:46,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:49:46,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:49:46,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:49:46,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:49:46,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:49:46,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:49:46,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:49:46,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:49:46,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:49:46,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:49:46,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:49:46,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:49:46,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:49:46,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:49:46,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:49:46,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:49:46,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:49:46,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:49:46,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:49:46,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:49:46,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:49:46,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:49:46,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:49:46,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:49:46,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:49:46,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:49:46,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:49:46,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:49:46,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:49:46,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:49:46,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:49:46,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:49:46,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:49:46,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:49:46,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:49:46,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:49:46,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:49:46,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:49:46,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:49:46,503 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:49:46,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:49:46,503 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:49:46,504 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:49:46,505 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:49:46,505 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:49:46,505 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:49:46,505 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:49:46,506 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:49:46,506 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:49:46,506 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:49:46,506 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:49:46,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:49:46,507 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:49:46,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:49:46,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:49:46,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:49:46,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:49:46,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:49:46,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:49:46,509 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:49:46,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:49:46,509 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:49:46,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:49:46,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:49:46,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:49:46,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:49:46,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:49:46,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:49:46,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:49:46,511 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:49:46,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:49:46,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:49:46,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:49:46,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:49:46,513 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 [2021-11-23 16:49:46,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:49:46,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:49:46,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:49:46,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:49:46,852 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:49:46,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/07_rand.i [2021-11-23 16:49:46,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/fd9d14b62/7d6752fa173248e5beb4b625f07d8b81/FLAGbc432c4de [2021-11-23 16:49:47,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:49:47,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i [2021-11-23 16:49:47,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/fd9d14b62/7d6752fa173248e5beb4b625f07d8b81/FLAGbc432c4de [2021-11-23 16:49:47,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/fd9d14b62/7d6752fa173248e5beb4b625f07d8b81 [2021-11-23 16:49:47,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:49:47,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:49:47,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:47,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:49:47,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:49:47,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:47" (1/1) ... [2021-11-23 16:49:47,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10417720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:47, skipping insertion in model container [2021-11-23 16:49:47,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:47" (1/1) ... [2021-11-23 16:49:47,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:49:47,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:49:48,191 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2021-11-23 16:49:48,196 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2021-11-23 16:49:48,200 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2021-11-23 16:49:48,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:49:48,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:49:48,252 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2021-11-23 16:49:48,254 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2021-11-23 16:49:48,255 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2021-11-23 16:49:48,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:49:48,302 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:49:48,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48 WrapperNode [2021-11-23 16:49:48,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:48,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:49:48,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:49:48,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:49:48,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,351 INFO L137 Inliner]: procedures = 174, calls = 21, calls flagged for inlining = 13, calls inlined = 16, statements flattened = 114 [2021-11-23 16:49:48,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:49:48,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:49:48,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:49:48,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:49:48,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:49:48,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:49:48,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:49:48,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:49:48,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:48" (1/1) ... [2021-11-23 16:49:48,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:49:48,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:49:48,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:49:48,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:49:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:49:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:49:48,463 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:49:48,641 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:49:48,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:49:48,883 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:49:48,936 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:49:48,939 INFO L158 Benchmark]: Toolchain (without parser) took 1117.28ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 73.5MB in the beginning and 97.4MB in the end (delta: -23.9MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-11-23 16:49:48,940 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:49:48,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.55ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 53.9MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 16:49:48,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.69ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 51.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:49:48,943 INFO L158 Benchmark]: Boogie Preprocessor took 27.33ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 50.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:49:48,944 INFO L158 Benchmark]: RCFGBuilder took 557.60ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 50.1MB in the beginning and 97.4MB in the end (delta: -47.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-23 16:49:48,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.55ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 53.9MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.69ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 51.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.33ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 50.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.60ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 50.1MB in the beginning and 97.4MB in the end (delta: -47.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:49:48,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:49:51,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:49:51,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:49:51,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:49:51,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:49:51,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:49:51,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:49:51,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:49:51,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:49:51,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:49:51,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:49:51,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:49:51,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:49:51,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:49:51,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:49:51,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:49:51,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:49:51,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:49:51,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:49:51,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:49:51,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:49:51,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:49:51,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:49:51,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:49:51,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:49:51,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:49:51,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:49:51,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:49:51,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:49:51,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:49:51,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:49:51,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:49:51,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:49:51,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:49:51,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:49:51,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:49:51,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:49:51,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:49:51,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:49:51,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:49:51,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:49:51,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:49:51,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:49:51,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:49:51,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:49:51,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:49:51,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:49:51,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:49:51,741 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:49:51,741 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:49:51,742 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:49:51,742 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:49:51,743 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:49:51,743 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:49:51,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:49:51,745 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:49:51,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:49:51,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:49:51,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:49:51,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:49:51,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:49:51,747 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:49:51,747 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:49:51,747 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:49:51,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:49:51,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:49:51,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:49:51,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:49:51,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:49:51,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:49:51,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:49:51,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:49:51,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:49:51,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:49:51,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:49:51,751 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:49:51,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:49:51,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:49:51,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:49:51,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:49:51,752 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 [2021-11-23 16:49:52,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:49:52,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:49:52,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:49:52,231 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:49:52,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:49:52,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/07_rand.i [2021-11-23 16:49:52,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/c78a5de57/872f9cc0a97244749c7c86352c23af3a/FLAG8febd1ee1 [2021-11-23 16:49:53,020 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:49:53,020 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i [2021-11-23 16:49:53,033 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/c78a5de57/872f9cc0a97244749c7c86352c23af3a/FLAG8febd1ee1 [2021-11-23 16:49:53,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/data/c78a5de57/872f9cc0a97244749c7c86352c23af3a [2021-11-23 16:49:53,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:49:53,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:49:53,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:53,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:49:53,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:49:53,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571b944a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53, skipping insertion in model container [2021-11-23 16:49:53,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:49:53,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:49:53,741 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2021-11-23 16:49:53,746 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2021-11-23 16:49:53,750 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2021-11-23 16:49:53,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:49:53,770 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:49:53,810 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2021-11-23 16:49:53,811 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2021-11-23 16:49:53,813 WARN L230 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_6c048fd4-d093-4083-8ca3-93d6e6eb1033/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2021-11-23 16:49:53,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:49:53,866 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:49:53,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53 WrapperNode [2021-11-23 16:49:53,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:49:53,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:49:53,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:49:53,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:49:53,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,918 INFO L137 Inliner]: procedures = 177, calls = 21, calls flagged for inlining = 13, calls inlined = 16, statements flattened = 113 [2021-11-23 16:49:53,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:49:53,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:49:53,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:49:53,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:49:53,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:49:53,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:49:53,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:49:53,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:49:53,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:53" (1/1) ... [2021-11-23 16:49:53,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:49:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:49:54,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:49:54,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:49:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:49:54,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:49:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:49:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:49:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:49:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:49:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:49:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:49:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:49:54,074 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:49:54,235 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:49:54,237 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:49:54,535 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:49:54,568 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:49:54,573 INFO L158 Benchmark]: Toolchain (without parser) took 1275.59ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.3MB in the beginning and 37.9MB in the end (delta: -9.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 16:49:54,574 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:49:54,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.46ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.0MB in the beginning and 41.9MB in the end (delta: -13.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 16:49:54,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.33ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:49:54,577 INFO L158 Benchmark]: Boogie Preprocessor took 50.20ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:49:54,578 INFO L158 Benchmark]: RCFGBuilder took 600.99ms. Allocated memory is still 69.2MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 16.1kB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 16:49:54,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.46ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.0MB in the beginning and 41.9MB in the end (delta: -13.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.33ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.20ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.99ms. Allocated memory is still 69.2MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 16.1kB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:49:54,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c048fd4-d093-4083-8ca3-93d6e6eb1033/bin/utaipan-fb15Y9Yzbl/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable