./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:07,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:07,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:09:07,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:07,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:07,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:07,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:07,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:07,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:07,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:07,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:07,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:07,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:07,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:07,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:07,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:07,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:07,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:07,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:07,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:07,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:07,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:07,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:07,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:07,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:07,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:07,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:07,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:07,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:07,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:07,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:07,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:07,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:07,315 INFO L153 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_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-19 04:09:07,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:07,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:07,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:07,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:07,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:07,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:09:10,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:11,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:11,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:09:11,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data/0ea203dd3/454768555e274743a850c01d08121c79/FLAG78f45b0d8 [2023-11-19 04:09:11,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data/0ea203dd3/454768555e274743a850c01d08121c79 [2023-11-19 04:09:11,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:11,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:11,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:11,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:11,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:11,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:11" (1/1) ... [2023-11-19 04:09:11,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3c21e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:11, skipping insertion in model container [2023-11-19 04:09:11,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:11" (1/1) ... [2023-11-19 04:09:11,402 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:11,880 WARN L240 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_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2023-11-19 04:09:11,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:11,944 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:12,005 WARN L240 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_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2023-11-19 04:09:12,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:12,131 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:12,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12 WrapperNode [2023-11-19 04:09:12,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:12,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:12,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:12,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:12,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,226 INFO L138 Inliner]: procedures = 277, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 140 [2023-11-19 04:09:12,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:12,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:12,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:12,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:12,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:12,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:12,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:12,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:12,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:12,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:12,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:12,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:09:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:09:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:09:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:09:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:09:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:09:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 04:09:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 04:09:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:09:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 04:09:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 04:09:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:12,404 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:09:12,591 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:12,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:12,840 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:12,852 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:12,852 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:09:12,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:12 BoogieIcfgContainer [2023-11-19 04:09:12,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:12,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:12,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:12,868 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:12,868 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:12" (1/1) ... [2023-11-19 04:09:12,869 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 04:09:12,873 INFO L158 Benchmark]: Toolchain (without parser) took 1537.12ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 95.8MB in the end (delta: 11.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-19 04:09:12,873 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:12,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.94ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 118.9MB in the end (delta: -11.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-19 04:09:12,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.20ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 116.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:12,875 INFO L158 Benchmark]: Boogie Preprocessor took 71.96ms. Allocated memory is still 153.1MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:12,876 INFO L158 Benchmark]: RCFGBuilder took 556.98ms. Allocated memory is still 153.1MB. Free memory was 113.9MB in the beginning and 96.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:09:12,877 INFO L158 Benchmark]: CodeCheck took 13.79ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 95.8MB in the end (delta: 510.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:12,881 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.94ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 118.9MB in the end (delta: -11.7MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.20ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 116.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.96ms. Allocated memory is still 153.1MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.98ms. Allocated memory is still 153.1MB. Free memory was 113.9MB in the beginning and 96.3MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13.79ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 95.8MB in the end (delta: 510.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:09:12,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:15,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:15,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:09:15,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:15,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:15,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:15,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:15,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:15,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:15,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:15,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:15,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:15,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:15,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:15,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:15,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:15,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:09:15,848 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:09:15,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:09:15,850 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:15,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:15,851 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:15,852 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:15,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:15,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:15,853 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:15,853 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:15,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:15,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:15,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:15,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:15,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:15,857 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:09:15,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:15,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:15,858 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:09:15,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:15,859 INFO L153 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_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-19 04:09:16,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:16,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:16,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:16,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:16,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:16,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:09:19,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:19,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:19,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/sv-benchmarks/c/pthread/stack-1.i [2023-11-19 04:09:19,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data/ff2e05021/a47ccd6981a34ad7b1eabb6db57e8766/FLAG52a64c237 [2023-11-19 04:09:19,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/data/ff2e05021/a47ccd6981a34ad7b1eabb6db57e8766 [2023-11-19 04:09:19,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:19,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:19,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:19,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:19,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:19,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:19" (1/1) ... [2023-11-19 04:09:19,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c777ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:19, skipping insertion in model container [2023-11-19 04:09:19,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:19" (1/1) ... [2023-11-19 04:09:20,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:20,691 WARN L240 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_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2023-11-19 04:09:20,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:20,734 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:20,770 WARN L240 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_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2023-11-19 04:09:20,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:20,886 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:20,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20 WrapperNode [2023-11-19 04:09:20,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:20,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:20,887 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:20,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:20,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,950 INFO L138 Inliner]: procedures = 281, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2023-11-19 04:09:20,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:20,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:20,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:20,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:20,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:20,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:20,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:20,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:20,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:20,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:20" (1/1) ... [2023-11-19 04:09:21,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:21,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:21,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:21,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:09:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 04:09:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 04:09:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 04:09:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 04:09:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:09:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:09:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:09:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 04:09:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 04:09:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 04:09:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 04:09:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 04:09:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:21,081 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:09:21,271 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:21,274 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:21,640 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:21,650 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:21,651 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:09:21,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:21 BoogieIcfgContainer [2023-11-19 04:09:21,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:21,656 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:21,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:21,667 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:21,667 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:21" (1/1) ... [2023-11-19 04:09:21,668 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 04:09:21,673 INFO L158 Benchmark]: Toolchain (without parser) took 1693.80ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.8MB in the beginning and 44.7MB in the end (delta: -2.9MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-19 04:09:21,674 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:21,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.38ms. Allocated memory is still 67.1MB. Free memory was 41.7MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-19 04:09:21,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.26ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 37.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:21,676 INFO L158 Benchmark]: Boogie Preprocessor took 43.83ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 34.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:21,677 INFO L158 Benchmark]: RCFGBuilder took 660.01ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.8MB in the beginning and 45.7MB in the end (delta: -11.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-19 04:09:21,677 INFO L158 Benchmark]: CodeCheck took 14.57ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 44.7MB in the end (delta: 990.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:21,681 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.38ms. Allocated memory is still 67.1MB. Free memory was 41.7MB in the beginning and 39.9MB in the end (delta: 1.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.26ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 37.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.83ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 34.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.01ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.8MB in the beginning and 45.7MB in the end (delta: -11.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * CodeCheck took 14.57ms. Allocated memory is still 81.8MB. Free memory was 45.7MB in the beginning and 44.7MB in the end (delta: 990.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:09:21,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9219f6d-b9e8-4c6e-86e4-1e75d61f7351/bin/ukojak-verify-G8NBE6pJGL/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