./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:13,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:13,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:13,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:13,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:13,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:13,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:13,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:13,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:13,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:13,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:13,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:13,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:13,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:13,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:13,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:13,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:13,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:13,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:13,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:13,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:13,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:13,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:13,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:13,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:13,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:13,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:13,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:13,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:13,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:13,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:13,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:13,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:13,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:13,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:13,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:13,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:13,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:13,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:13,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:13,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:13,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:13,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:13,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:13,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:13,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:13,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:13,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:13,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:13,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:13,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:13,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:13,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:13,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:13,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:13,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:13,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:13,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:13,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:13,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:13,240 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:13,241 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:13,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:13,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:13,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:13,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:13,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:13,242 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:13,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:13,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:13,242 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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a [2021-11-23 15:05:13,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:13,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:13,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:13,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:13,552 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:13,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix038.opt.i [2021-11-23 15:05:13,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/4161cfc4f/ebfea670363c4d02ba8c9688eb6b51f0/FLAG16444ef9a [2021-11-23 15:05:14,198 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:14,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/sv-benchmarks/c/pthread-wmm/mix038.opt.i [2021-11-23 15:05:14,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/4161cfc4f/ebfea670363c4d02ba8c9688eb6b51f0/FLAG16444ef9a [2021-11-23 15:05:14,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/4161cfc4f/ebfea670363c4d02ba8c9688eb6b51f0 [2021-11-23 15:05:14,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:14,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:14,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:14,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:14,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:14,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73daca8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14, skipping insertion in model container [2021-11-23 15:05:14,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:14,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:14,716 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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2021-11-23 15:05:14,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:14,972 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:14,987 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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2021-11-23 15:05:15,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:15,086 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:15,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15 WrapperNode [2021-11-23 15:05:15,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:15,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:15,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:15,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:15,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,138 INFO L137 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2021-11-23 15:05:15,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:15,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:15,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:15,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:15,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:15,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:15,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:15,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:15,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:15,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:15,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:15,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:05:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:05:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:05:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:05:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:05:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:05:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:05:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:05:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:15,306 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 15:05:15,487 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:15,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:16,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:16,107 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 15:05:16,116 INFO L158 Benchmark]: Toolchain (without parser) took 1670.90ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 58.9MB in the beginning and 96.6MB in the end (delta: -37.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,117 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:16,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.40ms. Allocated memory is still 102.8MB. Free memory was 58.8MB in the beginning and 64.3MB in the end (delta: -5.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.49ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,120 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 102.8MB. Free memory was 62.2MB in the beginning and 60.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,121 INFO L158 Benchmark]: RCFGBuilder took 938.03ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 60.1MB in the beginning and 96.6MB in the end (delta: -36.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,126 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 102.8MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.40ms. Allocated memory is still 102.8MB. Free memory was 58.8MB in the beginning and 64.3MB in the end (delta: -5.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.49ms. Allocated memory is still 102.8MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.82ms. Allocated memory is still 102.8MB. Free memory was 62.2MB in the beginning and 60.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 938.03ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 60.1MB in the beginning and 96.6MB in the end (delta: -36.4MB). Peak memory consumption was 31.1MB. 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 15:05:16,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:18,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:18,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:18,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:18,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:18,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:18,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:18,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:18,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:18,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:18,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:18,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:18,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:18,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:18,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:18,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:18,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:18,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:18,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:18,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:18,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:18,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:18,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:18,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:18,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:18,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:18,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:18,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:18,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:18,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:18,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:18,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:18,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:18,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:18,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:18,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:18,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:18,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:18,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:18,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:18,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:18,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:18,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:18,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:18,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:18,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:18,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:18,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:18,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:18,786 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:18,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:18,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:18,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:18,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:18,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:18,788 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:18,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:18,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:18,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:18,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:18,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:18,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:18,789 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:18,789 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:18,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:18,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:18,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:18,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:18,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:18,791 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:18,791 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:18,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:18,791 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:18,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:18,792 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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a [2021-11-23 15:05:19,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:19,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:19,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:19,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:19,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:19,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix038.opt.i [2021-11-23 15:05:19,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/701cfc76e/8e13fa7bffe742029de37acf4f661199/FLAG73a1cbaa8 [2021-11-23 15:05:19,971 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:19,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/sv-benchmarks/c/pthread-wmm/mix038.opt.i [2021-11-23 15:05:20,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/701cfc76e/8e13fa7bffe742029de37acf4f661199/FLAG73a1cbaa8 [2021-11-23 15:05:20,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/data/701cfc76e/8e13fa7bffe742029de37acf4f661199 [2021-11-23 15:05:20,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:20,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:20,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:20,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:20,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273d5282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20, skipping insertion in model container [2021-11-23 15:05:20,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:20,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:20,456 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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2021-11-23 15:05:20,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:20,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:20,739 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_b1cb6c03-c932-44fc-81a7-87e90524ce9c/sv-benchmarks/c/pthread-wmm/mix038.opt.i[944,957] [2021-11-23 15:05:20,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:20,898 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:20,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20 WrapperNode [2021-11-23 15:05:20,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:20,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:20,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:20,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,998 INFO L137 Inliner]: procedures = 179, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2021-11-23 15:05:20,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:20,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:21,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:21,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:21,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:21,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:21,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:21,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:21,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:21,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:21,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:05:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:21,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:21,164 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:05:21,165 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:05:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:05:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:05:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:05:21,166 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:05:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:05:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:21,169 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 15:05:21,349 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:21,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:21,899 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:21,999 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 15:05:22,007 INFO L158 Benchmark]: Toolchain (without parser) took 1826.38ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 43.3MB in the beginning and 44.6MB in the end (delta: -1.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,008 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:22,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.38ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 37.9MB in the end (delta: 5.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.39ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,012 INFO L158 Benchmark]: Boogie Preprocessor took 81.28ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 33.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,013 INFO L158 Benchmark]: RCFGBuilder took 922.33ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.0MB in the beginning and 44.6MB in the end (delta: -11.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:22,021 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 62.9MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.38ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 37.9MB in the end (delta: 5.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.39ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 35.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.28ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 33.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 922.33ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.0MB in the beginning and 44.6MB in the end (delta: -11.6MB). Peak memory consumption was 13.3MB. 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 15:05:22,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cb6c03-c932-44fc-81a7-87e90524ce9c/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