./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-barrier.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_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/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_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/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_3981a3dc-1a9d-482c-98e0-c55961294ab4/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 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:33,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:33,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:33,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:33,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:33,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:33,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:33,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:33,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:33,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:33,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:33,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:33,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:33,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:33,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:33,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:33,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:33,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:33,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:33,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:33,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:33,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:33,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:33,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:33,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:33,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:33,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:33,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:33,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:33,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:33,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:33,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:33,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:33,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:33,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:33,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:33,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:33,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:33,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:33,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:33,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:33,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:43:33,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:33,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:33,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:33,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:33,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:33,458 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:33,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:33,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:33,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:33,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:33,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:33,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:33,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:33,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:33,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:33,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:33,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:33,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:33,462 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:33,462 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:33,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:33,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:33,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:33,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:33,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:33,463 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:43:33,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:43:33,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:33,464 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_3981a3dc-1a9d-482c-98e0-c55961294ab4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 [2021-11-23 15:43:33,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:33,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:33,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:33,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:33,794 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:33,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-23 15:43:33,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/157deb8a5/f95912e48a584381aabe5ba14b5f6bf4/FLAGcb6a0a5af [2021-11-23 15:43:34,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:34,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-23 15:43:34,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/157deb8a5/f95912e48a584381aabe5ba14b5f6bf4/FLAGcb6a0a5af [2021-11-23 15:43:34,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/157deb8a5/f95912e48a584381aabe5ba14b5f6bf4 [2021-11-23 15:43:34,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:34,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:34,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:34,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:34,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:34,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:34" (1/1) ... [2021-11-23 15:43:34,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbabbc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:34, skipping insertion in model container [2021-11-23 15:43:34,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:34" (1/1) ... [2021-11-23 15:43:34,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:34,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:34,996 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_3981a3dc-1a9d-482c-98e0-c55961294ab4/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-23 15:43:35,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:35,008 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:35,048 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_3981a3dc-1a9d-482c-98e0-c55961294ab4/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-23 15:43:35,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:35,064 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:35,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35 WrapperNode [2021-11-23 15:43:35,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:35,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:35,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:35,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:35,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,105 INFO L137 Inliner]: procedures = 25, calls = 98, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2021-11-23 15:43:35,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:35,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:35,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:35,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:35,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:35,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:35,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:35,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:35,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:35" (1/1) ... [2021-11-23 15:43:35,164 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:35,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:35,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:35,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:43:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:43:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:43:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:43:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:43:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:43:35,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:43:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:43:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:43:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:43:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:43:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:43:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:43:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:43:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 15:43:35,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 15:43:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 15:43:35,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 15:43:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:43:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:43:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:35,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:43:35,261 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 15:43:35,374 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:35,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:35,737 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:35,789 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 15:43:35,794 INFO L158 Benchmark]: Toolchain (without parser) took 1059.51ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 71.0MB in the end (delta: 12.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:35,795 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:35,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.00ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 92.8MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:43:35,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.76ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 90.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:35,798 INFO L158 Benchmark]: Boogie Preprocessor took 33.22ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 89.9MB in the end (delta: 997.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:35,799 INFO L158 Benchmark]: RCFGBuilder took 651.95ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 71.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:43:35,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.00ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 92.8MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.76ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 90.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.22ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 89.9MB in the end (delta: 997.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 651.95ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 71.0MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. 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 15:43:35,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/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_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/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_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/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_3981a3dc-1a9d-482c-98e0-c55961294ab4/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 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:38,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:38,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:38,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:38,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:38,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:38,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:38,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:38,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:38,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:38,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:38,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:38,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:38,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:38,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:38,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:38,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:38,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:38,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:38,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:38,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:38,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:38,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:38,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:38,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:38,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:38,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:38,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:38,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:38,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:38,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:38,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:38,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:38,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:38,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:38,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:38,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:38,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:38,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:38,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:38,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:38,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:43:38,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:38,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:38,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:38,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:38,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:38,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:38,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:38,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:38,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:38,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:38,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:38,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:38,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:38,523 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:43:38,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:43:38,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:43:38,524 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:38,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:38,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:38,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:38,524 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:38,525 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:38,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:38,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:38,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:38,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:38,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:38,526 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:43:38,526 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:43:38,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:38,526 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:43:38,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:43:38,527 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_3981a3dc-1a9d-482c-98e0-c55961294ab4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b51332425cd14048935a20a73abea0065b1633fac56d6d6be511ab67585236 [2021-11-23 15:43:38,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:38,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:38,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:38,927 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:38,928 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:38,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-23 15:43:38,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/c401ef98b/71c51a7d076643d88cd134c38d6fce18/FLAGe1f271833 [2021-11-23 15:43:39,575 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:39,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2021-11-23 15:43:39,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/c401ef98b/71c51a7d076643d88cd134c38d6fce18/FLAGe1f271833 [2021-11-23 15:43:39,921 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/data/c401ef98b/71c51a7d076643d88cd134c38d6fce18 [2021-11-23 15:43:39,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:39,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:39,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:39,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:39,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:39,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:39" (1/1) ... [2021-11-23 15:43:39,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fa8993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:39, skipping insertion in model container [2021-11-23 15:43:39,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:39" (1/1) ... [2021-11-23 15:43:39,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:39,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:40,149 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_3981a3dc-1a9d-482c-98e0-c55961294ab4/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-23 15:43:40,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:40,195 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:40,234 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_3981a3dc-1a9d-482c-98e0-c55961294ab4/sv-benchmarks/c/weaver/parallel-barrier.wvr.c[4722,4735] [2021-11-23 15:43:40,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:40,254 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:40,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40 WrapperNode [2021-11-23 15:43:40,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:40,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:40,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:40,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:40,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,298 INFO L137 Inliner]: procedures = 27, calls = 98, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2021-11-23 15:43:40,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:40,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:40,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:40,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:40,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:40,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:40,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:40,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:40,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:40" (1/1) ... [2021-11-23 15:43:40,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:40,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:40,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:40,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:43:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:43:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:43:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:43:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:43:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:43:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:43:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:43:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:43:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:43:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:43:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:43:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:43:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 15:43:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 15:43:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-11-23 15:43:40,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-11-23 15:43:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:43:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:43:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:43:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:43:40,419 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 15:43:40,521 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:40,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:40,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:40,916 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 15:43:40,927 INFO L158 Benchmark]: Toolchain (without parser) took 998.10ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 33.2MB in the end (delta: 3.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:40,928 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:40,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.02ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 39.8MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:43:40,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.13ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 38.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:40,932 INFO L158 Benchmark]: Boogie Preprocessor took 33.37ms. Allocated memory is still 58.7MB. Free memory was 38.0MB in the beginning and 36.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:40,933 INFO L158 Benchmark]: RCFGBuilder took 591.17ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 33.2MB in the end (delta: 3.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-23 15:43:40,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.02ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 39.8MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.13ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 38.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.37ms. Allocated memory is still 58.7MB. Free memory was 38.0MB in the beginning and 36.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.17ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 33.2MB in the end (delta: 3.2MB). Peak memory consumption was 14.4MB. 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 15:43:40,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3981a3dc-1a9d-482c-98e0-c55961294ab4/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