./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ --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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:39:42,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:39:42,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:39:42,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:39:42,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:39:42,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:39:42,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:39:42,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:39:42,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:39:42,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:39:42,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:39:42,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:39:42,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:39:42,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:39:42,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:39:42,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:39:42,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:39:42,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:39:42,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:39:42,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:39:42,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:39:42,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:39:42,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:39:42,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:39:42,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:39:42,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:39:42,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:39:42,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:39:42,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:39:42,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:39:42,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:39:42,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:39:42,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:39:42,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:39:42,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:39:42,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:39:42,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:39:42,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:39:42,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:39:42,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:39:42,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:39:42,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:39:42,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:39:42,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:39:42,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:39:42,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:39:42,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:39:42,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:39:42,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:39:42,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:39:42,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:39:42,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:39:42,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:39:42,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:39:42,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:39:42,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:39:42,363 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:39:42,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:39:42,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:39:42,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:39:42,363 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:39:42,364 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:39:42,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:39:42,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:42,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:39:42,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:39:42,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:39:42,365 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:39:42,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:39:42,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:39:42,366 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2021-11-23 01:39:42,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:39:42,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:39:42,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:39:42,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:39:42,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:39:42,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2021-11-23 01:39:42,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/174060a42/4eeed90dcd9144d6a3e266595cb2dce0/FLAGbdf8b9a16 [2021-11-23 01:39:43,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:39:43,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i [2021-11-23 01:39:43,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/174060a42/4eeed90dcd9144d6a3e266595cb2dce0/FLAGbdf8b9a16 [2021-11-23 01:39:43,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/174060a42/4eeed90dcd9144d6a3e266595cb2dce0 [2021-11-23 01:39:43,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:39:43,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:39:43,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:43,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:39:43,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:39:43,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:43" (1/1) ... [2021-11-23 01:39:43,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bf1329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:43, skipping insertion in model container [2021-11-23 01:39:43,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:43" (1/1) ... [2021-11-23 01:39:43,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:39:43,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:39:44,000 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:39:44,160 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2021-11-23 01:39:44,175 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2021-11-23 01:39:44,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:44,208 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:39:44,222 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:39:44,243 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2021-11-23 01:39:44,248 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2021-11-23 01:39:44,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:44,288 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:39:44,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44 WrapperNode [2021-11-23 01:39:44,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:44,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:44,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:39:44,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:39:44,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,333 INFO L137 Inliner]: procedures = 171, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 01:39:44,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:44,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:39:44,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:39:44,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:39:44,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:39:44,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:39:44,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:39:44,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:39:44,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:44,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:39:44,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:39:44,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:39:44,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:39:44,448 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-11-23 01:39:44,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-11-23 01:39:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:39:44,449 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:39:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:39:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:39:44,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:39:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:39:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:39:44,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:39:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:39:44,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:39:44,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:39:44,452 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 01:39:44,623 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:39:44,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:39:44,861 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:39:44,868 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:39:44,868 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 01:39:44,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:44 BoogieIcfgContainer [2021-11-23 01:39:44,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:39:44,872 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:39:44,872 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:39:44,883 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:39:44,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:44" (1/1) ... [2021-11-23 01:39:44,884 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:39:44,888 INFO L158 Benchmark]: Toolchain (without parser) took 1244.74ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 45.6MB in the end (delta: 13.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 01:39:44,889 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:39:44,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.41ms. Allocated memory is still 98.6MB. Free memory was 58.9MB in the beginning and 63.0MB in the end (delta: -4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:39:44,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.47ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:39:44,891 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 98.6MB. Free memory was 60.9MB in the beginning and 59.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:39:44,892 INFO L158 Benchmark]: RCFGBuilder took 505.16ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 46.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:39:44,893 INFO L158 Benchmark]: CodeCheck took 14.30ms. Allocated memory is still 98.6MB. Free memory was 46.5MB in the beginning and 45.6MB in the end (delta: 917.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:39:44,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.41ms. Allocated memory is still 98.6MB. Free memory was 58.9MB in the beginning and 63.0MB in the end (delta: -4.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.47ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 98.6MB. Free memory was 60.9MB in the beginning and 59.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.16ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 46.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14.30ms. Allocated memory is still 98.6MB. Free memory was 46.5MB in the beginning and 45.6MB in the end (delta: 917.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:39:44,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ --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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:39:47,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:39:47,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:39:47,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:39:47,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:39:47,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:39:47,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:39:47,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:39:47,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:39:47,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:39:47,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:39:47,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:39:47,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:39:47,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:39:47,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:39:47,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:39:47,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:39:47,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:39:47,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:39:47,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:39:47,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:39:47,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:39:47,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:39:47,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:39:47,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:39:47,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:39:47,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:39:47,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:39:47,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:39:47,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:39:47,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:39:47,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:39:47,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:39:47,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:39:47,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:39:47,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:39:47,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:39:47,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:39:47,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:39:47,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:39:47,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:39:47,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:39:47,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:39:47,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:39:47,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:39:47,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:39:47,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:39:47,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:39:47,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:39:47,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:39:47,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:39:47,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:39:47,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:39:47,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:39:47,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:39:47,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:39:47,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:39:47,621 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:39:47,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:39:47,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:39:47,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:39:47,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:39:47,623 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:39:47,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:39:47,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:39:47,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:47,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:39:47,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:39:47,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:39:47,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:39:47,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:39:47,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:39:47,625 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:39:47,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:39:47,626 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2021-11-23 01:39:48,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:39:48,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:39:48,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:39:48,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:39:48,069 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:39:48,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2021-11-23 01:39:48,150 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/25f659005/326262e2466c4b60a3f129f4ce66f727/FLAG9963e14b4 [2021-11-23 01:39:48,803 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:39:48,803 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i [2021-11-23 01:39:48,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/25f659005/326262e2466c4b60a3f129f4ce66f727/FLAG9963e14b4 [2021-11-23 01:39:49,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/data/25f659005/326262e2466c4b60a3f129f4ce66f727 [2021-11-23 01:39:49,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:39:49,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:39:49,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:49,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:39:49,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:39:49,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274b8cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49, skipping insertion in model container [2021-11-23 01:39:49,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:39:49,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:39:49,462 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:39:49,697 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2021-11-23 01:39:49,710 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2021-11-23 01:39:49,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:49,739 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:39:49,763 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:39:49,800 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2021-11-23 01:39:49,805 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_ec1c73af-f910-4d04-9e6b-1ad9397665fb/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2021-11-23 01:39:49,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:49,869 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:39:49,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49 WrapperNode [2021-11-23 01:39:49,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:49,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:49,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:39:49,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:39:49,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,919 INFO L137 Inliner]: procedures = 174, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2021-11-23 01:39:49,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:49,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:39:49,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:39:49,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:39:49,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:49,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:39:49,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:39:49,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:39:49,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:39:49,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:49" (1/1) ... [2021-11-23 01:39:50,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:50,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:39:50,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:39:50,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:39:50,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:39:50,093 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-11-23 01:39:50,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-11-23 01:39:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:39:50,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:39:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:39:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:39:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:39:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:39:50,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:39:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:39:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:39:50,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:39:50,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:39:50,097 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 01:39:50,213 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:39:50,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:39:50,487 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:39:50,495 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:39:50,495 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 01:39:50,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:50 BoogieIcfgContainer [2021-11-23 01:39:50,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:39:50,499 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:39:50,499 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:39:50,518 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:39:50,519 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:50" (1/1) ... [2021-11-23 01:39:50,520 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 01:39:50,525 INFO L158 Benchmark]: Toolchain (without parser) took 1433.49ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.6MB in the beginning and 42.7MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:39:50,526 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:39:50,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.99ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 30.0MB in the end (delta: 4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:39:50,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.71ms. Allocated memory is still 58.7MB. Free memory was 30.0MB in the beginning and 28.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:39:50,529 INFO L158 Benchmark]: Boogie Preprocessor took 69.89ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 28.0MB in the beginning and 56.5MB in the end (delta: -28.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-11-23 01:39:50,530 INFO L158 Benchmark]: RCFGBuilder took 506.80ms. Allocated memory is still 75.5MB. Free memory was 56.5MB in the beginning and 43.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:39:50,531 INFO L158 Benchmark]: CodeCheck took 24.75ms. Allocated memory is still 75.5MB. Free memory was 43.6MB in the beginning and 42.7MB in the end (delta: 933.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:39:50,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.99ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 30.0MB in the end (delta: 4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.71ms. Allocated memory is still 58.7MB. Free memory was 30.0MB in the beginning and 28.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.89ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 28.0MB in the beginning and 56.5MB in the end (delta: -28.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.80ms. Allocated memory is still 75.5MB. Free memory was 56.5MB in the beginning and 43.6MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 24.75ms. Allocated memory is still 75.5MB. Free memory was 43.6MB in the beginning and 42.7MB in the end (delta: 933.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:39:50,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec1c73af-f910-4d04-9e6b-1ad9397665fb/bin/ukojak-LBtLqBUTdQ/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: Concurrent programs are currently unsupported