./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/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_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:38,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:38,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:58:38,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:38,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:38,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:38,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:38,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:38,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:38,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:38,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:38,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:38,400 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:38,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:38,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:38,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:38,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:38,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:38,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:38,405 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:38,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:38,411 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:38,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:38,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:38,413 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:38,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:38,414 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:38,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:38,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:38,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:38,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:38,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:38,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:38,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:38,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:38,420 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_bd7d295e-a1b5-4f4d-8794-1c78fb602226/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-19 02:58:38,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:38,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:38,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:38,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:38,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:38,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:58:41,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:42,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:42,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:58:42,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data/3f578c01e/7fc315c7b2634859b4311070e9d20a7c/FLAGf511cd6b3 [2023-11-19 02:58:42,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data/3f578c01e/7fc315c7b2634859b4311070e9d20a7c [2023-11-19 02:58:42,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:42,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:42,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:42,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:42,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:42,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccd3b11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42, skipping insertion in model container [2023-11-19 02:58:42,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:42,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:42,476 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:42,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:42,505 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:42,506 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:42,513 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:42,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42 WrapperNode [2023-11-19 02:58:42,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:42,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:42,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:42,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:42,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,558 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-11-19 02:58:42,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:42,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:42,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:42,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:42,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:42,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:42,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:42,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:42,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:42,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:42,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:42,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:58:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:58:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:58:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:58:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:58:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:58:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:58:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:58:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:58:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:58:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:42,713 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 02:58:42,814 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:42,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:43,004 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:43,137 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:43,137 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:58:43,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:43 BoogieIcfgContainer [2023-11-19 02:58:43,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:43,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:43,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:43,153 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:43,153 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,154 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 02:58:43,158 INFO L158 Benchmark]: Toolchain (without parser) took 919.04ms. Allocated memory is still 188.7MB. Free memory was 156.6MB in the beginning and 137.3MB in the end (delta: 19.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 02:58:43,159 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:43,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.68ms. Allocated memory is still 188.7MB. Free memory was 156.4MB in the beginning and 148.5MB in the end (delta: 7.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 02:58:43,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.49ms. Allocated memory is still 188.7MB. Free memory was 148.5MB in the beginning and 147.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:43,161 INFO L158 Benchmark]: Boogie Preprocessor took 38.26ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:43,162 INFO L158 Benchmark]: RCFGBuilder took 542.63ms. Allocated memory is still 188.7MB. Free memory was 145.6MB in the beginning and 138.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:58:43,163 INFO L158 Benchmark]: CodeCheck took 14.47ms. Allocated memory is still 188.7MB. Free memory was 138.5MB in the beginning and 137.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:43,167 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 0.33ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.68ms. Allocated memory is still 188.7MB. Free memory was 156.4MB in the beginning and 148.5MB in the end (delta: 7.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.49ms. Allocated memory is still 188.7MB. Free memory was 148.5MB in the beginning and 147.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.26ms. Allocated memory is still 188.7MB. Free memory was 147.4MB in the beginning and 145.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.63ms. Allocated memory is still 188.7MB. Free memory was 145.6MB in the beginning and 138.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 14.47ms. Allocated memory is still 188.7MB. Free memory was 138.5MB in the beginning and 137.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:43,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/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_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/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_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:46,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:46,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:58:46,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:46,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:46,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:46,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:46,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:46,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:46,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:46,212 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:46,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:46,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:46,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:46,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:46,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:46,220 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:58:46,221 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:58:46,221 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:46,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:58:46,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:46,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:46,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:46,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:46,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:46,226 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:46,226 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:46,226 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:46,227 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:46,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:46,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:46,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:46,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:46,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:46,230 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:58:46,230 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:46,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:46,231 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:58:46,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:46,232 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_bd7d295e-a1b5-4f4d-8794-1c78fb602226/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-19 02:58:46,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:46,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:46,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:46,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:46,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:46,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:58:49,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:50,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:50,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 02:58:50,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data/a6f2103f9/8609169055f94e758c1316f479171253/FLAG949a619de [2023-11-19 02:58:50,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/data/a6f2103f9/8609169055f94e758c1316f479171253 [2023-11-19 02:58:50,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:50,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:50,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:50,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:50,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:50,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417e1210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50, skipping insertion in model container [2023-11-19 02:58:50,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:50,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:50,387 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:50,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:50,453 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:50,466 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:50,475 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:50,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50 WrapperNode [2023-11-19 02:58:50,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:50,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:50,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:50,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:50,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,540 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-11-19 02:58:50,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:50,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:50,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:50,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:50,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:50,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:50,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:50,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:50,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:50,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:50,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:50,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:58:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:58:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:58:50,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:58:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:58:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:58:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:58:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:58:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:58:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:58:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:58:50,702 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 02:58:50,880 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:50,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:51,286 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:51,387 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:51,388 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:58:51,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:51 BoogieIcfgContainer [2023-11-19 02:58:51,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:51,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:51,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:51,402 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:51,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:51" (1/1) ... [2023-11-19 02:58:51,404 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 02:58:51,408 INFO L158 Benchmark]: Toolchain (without parser) took 1319.57ms. Allocated memory is still 109.1MB. Free memory was 85.0MB in the beginning and 72.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:58:51,408 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 56.3MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:51,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.08ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 73.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:58:51,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.46ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:51,410 INFO L158 Benchmark]: Boogie Preprocessor took 65.89ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:51,411 INFO L158 Benchmark]: RCFGBuilder took 783.09ms. Allocated memory is still 109.1MB. Free memory was 70.2MB in the beginning and 73.7MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:58:51,412 INFO L158 Benchmark]: CodeCheck took 13.33ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.7MB in the end (delta: 969.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:51,415 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 1.13ms. Allocated memory is still 79.7MB. Free memory was 56.5MB in the beginning and 56.3MB in the end (delta: 148.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.08ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 73.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.46ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 71.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.89ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 783.09ms. Allocated memory is still 109.1MB. Free memory was 70.2MB in the beginning and 73.7MB in the end (delta: -3.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 13.33ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.7MB in the end (delta: 969.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:51,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd7d295e-a1b5-4f4d-8794-1c78fb602226/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