./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c --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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:33,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:33,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:33,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:33,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:33,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:33,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:33,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:33,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:33,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:33,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:33,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:33,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:33,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:33,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:33,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:33,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:33,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:33,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:33,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:33,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:33,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:33,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:33,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:33,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:33,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:33,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:33,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:33,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:33,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:33,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:33,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:33,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:33,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:33,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:33,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:33,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:33,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:33,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:33,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:33,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:33,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:42:33,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:33,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:33,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:33,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:33,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:33,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:33,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:33,395 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:33,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:33,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:33,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:33,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:33,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:33,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:33,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:33,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:33,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:33,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:33,402 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:33,402 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:33,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:33,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:33,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:33,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:33,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:33,404 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:42:33,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:42:33,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:33,405 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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 [2021-11-23 15:42:33,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:33,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:33,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:33,765 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:33,766 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:33,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2021-11-23 15:42:33,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/931658052/63c463b17d1c4b29a5c8a52011a5257c/FLAGcb11aba5e [2021-11-23 15:42:34,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:34,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2021-11-23 15:42:34,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/931658052/63c463b17d1c4b29a5c8a52011a5257c/FLAGcb11aba5e [2021-11-23 15:42:34,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/931658052/63c463b17d1c4b29a5c8a52011a5257c [2021-11-23 15:42:34,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:34,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:34,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:34,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:34,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:34,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:34" (1/1) ... [2021-11-23 15:42:34,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f86b0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:34, skipping insertion in model container [2021-11-23 15:42:34,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:34" (1/1) ... [2021-11-23 15:42:34,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:34,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:34,974 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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[3512,3525] [2021-11-23 15:42:34,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:34,988 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:35,034 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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[3512,3525] [2021-11-23 15:42:35,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:35,055 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:35,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35 WrapperNode [2021-11-23 15:42:35,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:35,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:35,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:35,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:35,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,139 INFO L137 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2021-11-23 15:42:35,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:35,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:35,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:35,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:35,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:35,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:35,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:35,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:35,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:35" (1/1) ... [2021-11-23 15:42:35,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:35,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:35,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:35,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:35,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:42:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:42:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:42:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:42:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:42:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:42:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:42:35,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:42:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:42:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:42:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:42:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:35,319 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 15:42:35,420 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:35,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:35,718 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:35,768 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 15:42:35,773 INFO L158 Benchmark]: Toolchain (without parser) took 1057.91ms. Allocated memory is still 100.7MB. Free memory was 59.0MB in the beginning and 57.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:35,774 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:35,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.34ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 75.0MB in the end (delta: -16.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:35,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.77ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:35,776 INFO L158 Benchmark]: Boogie Preprocessor took 53.57ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 72.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:35,777 INFO L158 Benchmark]: RCFGBuilder took 576.50ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 57.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:42:35,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.34ms. Allocated memory is still 100.7MB. Free memory was 58.8MB in the beginning and 75.0MB in the end (delta: -16.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.77ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 73.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.57ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 72.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.50ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 57.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. 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 15:42:35,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:38,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:38,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:38,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:38,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:38,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:38,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:38,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:38,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:38,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:38,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:38,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:38,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:38,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:38,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:38,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:38,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:38,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:38,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:38,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:38,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:38,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:38,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:38,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:38,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:38,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:38,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:38,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:38,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:38,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:38,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:38,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:38,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:38,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:38,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:38,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:38,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:38,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:38,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:38,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:38,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:38,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:42:38,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:38,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:38,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:38,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:38,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:38,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:38,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:38,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:38,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:38,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:38,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:38,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:38,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:38,681 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:42:38,681 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:42:38,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:42:38,681 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:38,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:38,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:38,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:38,682 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:38,682 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:38,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:38,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:38,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:38,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:38,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:38,684 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:42:38,684 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:42:38,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:38,684 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:42:38,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:42:38,685 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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 [2021-11-23 15:42:39,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:39,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:39,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:39,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:39,094 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:39,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2021-11-23 15:42:39,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/f29d091b1/f691231cdc1e4bc3b6845ab173fb49c1/FLAG4dfbefb59 [2021-11-23 15:42:39,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:39,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c [2021-11-23 15:42:39,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/f29d091b1/f691231cdc1e4bc3b6845ab173fb49c1/FLAG4dfbefb59 [2021-11-23 15:42:40,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/data/f29d091b1/f691231cdc1e4bc3b6845ab173fb49c1 [2021-11-23 15:42:40,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:40,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:40,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:40,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:40,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:40,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639135c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40, skipping insertion in model container [2021-11-23 15:42:40,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:40,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:40,361 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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[3512,3525] [2021-11-23 15:42:40,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:40,376 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:40,438 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_9406323a-1fe0-498e-92b4-1d1b18a55b2e/sv-benchmarks/c/weaver/parallel-bakery-2.wvr.c[3512,3525] [2021-11-23 15:42:40,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:40,482 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:40,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40 WrapperNode [2021-11-23 15:42:40,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:40,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:40,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:40,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:40,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,525 INFO L137 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2021-11-23 15:42:40,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:40,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:40,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:40,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:40,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:40,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:40,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:40,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:40,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:40" (1/1) ... [2021-11-23 15:42:40,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:40,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:40,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:40,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:42:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:42:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:42:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:42:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:42:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:42:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:42:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:42:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:42:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:42:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:42:40,650 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 15:42:40,740 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:40,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:41,093 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:41,196 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 15:42:41,200 INFO L158 Benchmark]: Toolchain (without parser) took 1057.42ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 30.2MB in the end (delta: 14.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:42:41,201 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:41,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.12ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 47.6MB in the end (delta: -3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:42:41,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.36ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 45.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:41,204 INFO L158 Benchmark]: Boogie Preprocessor took 31.63ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 44.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:41,205 INFO L158 Benchmark]: RCFGBuilder took 639.69ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 30.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:42:41,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.12ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 47.6MB in the end (delta: -3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.36ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 45.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.63ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 44.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.69ms. Allocated memory is still 65.0MB. Free memory was 44.4MB in the beginning and 30.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. 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 15:42:41,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9406323a-1fe0-498e-92b4-1d1b18a55b2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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