./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix055.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_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/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_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/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_d4cda81a-e4b7-4691-94ff-33619896d1fc/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 a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:52,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:52,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:52,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:52,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:52,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:52,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:52,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:52,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:52,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:52,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:52,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:52,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:52,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:52,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:52,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:52,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:52,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:52,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:52,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:52,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:52,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:52,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:52,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:52,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:52,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:52,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:52,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:52,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:52,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:52,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:52,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:52,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:52,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:52,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:52,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:52,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:52,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:52,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:52,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:52,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:52,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:35:52,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:52,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:52,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:52,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:52,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:52,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:52,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:52,248 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:52,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:35:52,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:52,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:52,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:52,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:52,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:52,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:52,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:52,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:52,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:52,257 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:52,257 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:52,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:52,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:52,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:52,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:52,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:52,258 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:35:52,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:35:52,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:52,259 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_d4cda81a-e4b7-4691-94ff-33619896d1fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 [2021-11-23 15:35:52,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:52,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:52,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:52,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:52,536 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:52,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix055.opt.i [2021-11-23 15:35:52,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/600212c59/2c87ce0ba3eb47c9af879fff4427d601/FLAG312a574ee [2021-11-23 15:35:53,150 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:53,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/sv-benchmarks/c/pthread-wmm/mix055.opt.i [2021-11-23 15:35:53,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/600212c59/2c87ce0ba3eb47c9af879fff4427d601/FLAG312a574ee [2021-11-23 15:35:53,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/600212c59/2c87ce0ba3eb47c9af879fff4427d601 [2021-11-23 15:35:53,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:53,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:53,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:53,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:53,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:53,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:53" (1/1) ... [2021-11-23 15:35:53,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b4084a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:53, skipping insertion in model container [2021-11-23 15:35:53,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:53" (1/1) ... [2021-11-23 15:35:53,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:53,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:53,725 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_d4cda81a-e4b7-4691-94ff-33619896d1fc/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2021-11-23 15:35:54,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:54,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:54,046 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_d4cda81a-e4b7-4691-94ff-33619896d1fc/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2021-11-23 15:35:54,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:54,145 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:54,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54 WrapperNode [2021-11-23 15:35:54,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:54,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:54,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:54,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:54,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,227 INFO L137 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 225 [2021-11-23 15:35:54,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:54,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:54,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:54,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:54,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:54,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:54,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:54,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:54,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:54" (1/1) ... [2021-11-23 15:35:54,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:54,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:54,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:54,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:35:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:35:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:35:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:35:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:35:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:35:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:35:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:35:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:35:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:35:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:35:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:35:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:35:54,398 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:35:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:35:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:35:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:54,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:54,400 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 15:35:54,525 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:54,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:55,093 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:55,231 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 15:35:55,235 INFO L158 Benchmark]: Toolchain (without parser) took 1785.93ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.5MB in the beginning and 73.2MB in the end (delta: -22.8MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:55,239 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:55,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.2MB in the beginning and 70.5MB in the end (delta: -20.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:35:55,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.19ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 67.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:55,244 INFO L158 Benchmark]: Boogie Preprocessor took 72.06ms. Allocated memory is still 107.0MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:55,245 INFO L158 Benchmark]: RCFGBuilder took 930.30ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 73.2MB in the end (delta: -7.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:55,248 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 88.1MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.34ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.2MB in the beginning and 70.5MB in the end (delta: -20.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.19ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 67.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.06ms. Allocated memory is still 107.0MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 930.30ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 73.2MB in the end (delta: -7.7MB). Peak memory consumption was 29.1MB. 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 15:35:55,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/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_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/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_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/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_d4cda81a-e4b7-4691-94ff-33619896d1fc/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 a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:57,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:57,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:57,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:57,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:57,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:57,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:57,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:57,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:57,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:57,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:57,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:57,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:57,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:57,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:57,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:57,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:57,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:57,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:57,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:57,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:57,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:57,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:57,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:57,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:57,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:57,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:57,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:57,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:57,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:57,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:57,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:57,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:57,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:57,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:57,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:57,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:57,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:57,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:57,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:57,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:57,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:35:57,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:57,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:57,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:57,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:57,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:57,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:57,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:57,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:57,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:57,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:57,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:57,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:57,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:57,986 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:35:57,987 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:35:57,987 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:35:57,987 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:57,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:57,988 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:57,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:57,988 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:57,988 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:57,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:57,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:57,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:57,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:57,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:57,990 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:35:57,990 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:35:57,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:57,990 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:35:57,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:35:57,991 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_d4cda81a-e4b7-4691-94ff-33619896d1fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 [2021-11-23 15:35:58,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:58,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:58,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:58,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:58,472 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:58,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix055.opt.i [2021-11-23 15:35:58,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/047e264c2/1e07cbc0be7f4321b05dcb9800a57df8/FLAGf66d73e73 [2021-11-23 15:35:59,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:59,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/sv-benchmarks/c/pthread-wmm/mix055.opt.i [2021-11-23 15:35:59,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/047e264c2/1e07cbc0be7f4321b05dcb9800a57df8/FLAGf66d73e73 [2021-11-23 15:35:59,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/data/047e264c2/1e07cbc0be7f4321b05dcb9800a57df8 [2021-11-23 15:35:59,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:59,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:59,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:59,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:59,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:59,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:59" (1/1) ... [2021-11-23 15:35:59,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dad31a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:59, skipping insertion in model container [2021-11-23 15:35:59,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:59" (1/1) ... [2021-11-23 15:35:59,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:59,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:59,805 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_d4cda81a-e4b7-4691-94ff-33619896d1fc/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2021-11-23 15:36:00,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:00,112 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:36:00,127 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_d4cda81a-e4b7-4691-94ff-33619896d1fc/sv-benchmarks/c/pthread-wmm/mix055.opt.i[944,957] [2021-11-23 15:36:00,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:00,262 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:36:00,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00 WrapperNode [2021-11-23 15:36:00,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:00,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:00,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:36:00,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:36:00,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,364 INFO L137 Inliner]: procedures = 180, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 226 [2021-11-23 15:36:00,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:00,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:36:00,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:36:00,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:36:00,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:36:00,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:36:00,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:36:00,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:36:00,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:00" (1/1) ... [2021-11-23 15:36:00,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:00,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:36:00,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:36:00,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:36:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:36:00,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:36:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:36:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:36:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:36:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:36:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:36:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:36:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:36:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:36:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:36:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:36:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:36:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:36:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 15:36:00,537 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 15:36:00,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:36:00,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:36:00,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:36:00,539 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 15:36:00,733 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:36:00,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:36:01,213 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:36:01,290 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 15:36:01,294 INFO L158 Benchmark]: Toolchain (without parser) took 1840.86ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 40.0MB in the end (delta: 3.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:01,294 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:36:01,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.98ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 50.0MB in the end (delta: -6.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 15:36:01,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.71ms. Allocated memory is still 79.7MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:01,296 INFO L158 Benchmark]: Boogie Preprocessor took 76.24ms. Allocated memory is still 79.7MB. Free memory was 47.1MB in the beginning and 44.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:36:01,297 INFO L158 Benchmark]: RCFGBuilder took 846.85ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 40.0MB in the end (delta: 4.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 15:36:01,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.98ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 50.0MB in the end (delta: -6.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.71ms. Allocated memory is still 79.7MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.24ms. Allocated memory is still 79.7MB. Free memory was 47.1MB in the beginning and 44.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 846.85ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 40.0MB in the end (delta: 4.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:36:01,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4cda81a-e4b7-4691-94ff-33619896d1fc/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