./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:56,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:56,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:54:56,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:56,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:57,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:57,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:57,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:57,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:57,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:57,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:57,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:57,020 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:57,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:57,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:57,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:57,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:57,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:57,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:57,024 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:57,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:57,025 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:57,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:57,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:57,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:57,027 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:57,028 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:57,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:57,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:57,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:57,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:57,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:57,037 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:57,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:57,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:57,038 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_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-24 22:54:57,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:57,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:57,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:57,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:57,412 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:57,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-24 22:55:00,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:00,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:00,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/sv-benchmarks/c/pthread/stack-1.i [2023-11-24 22:55:00,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data/48bbaa7c1/0263412a3e3345d6abfd636df6b45434/FLAGa538d66bf [2023-11-24 22:55:00,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data/48bbaa7c1/0263412a3e3345d6abfd636df6b45434 [2023-11-24 22:55:00,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:01,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:01,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:01,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:01,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:01,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:01,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65021bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01, skipping insertion in model container [2023-11-24 22:55:01,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:00" (1/1) ... [2023-11-24 22:55:01,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:01,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:01,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:01,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:01,864 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:01,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01 WrapperNode [2023-11-24 22:55:01,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:01,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:01,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:01,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:01,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,930 INFO L138 Inliner]: procedures = 278, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2023-11-24 22:55:01,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:01,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:01,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:01,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:01,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:01,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:01,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:01,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:01,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:01" (1/1) ... [2023-11-24 22:55:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:02,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:02,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:55:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:55:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:55:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:55:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:55:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 22:55:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 22:55:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:55:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 22:55:02,073 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 22:55:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:02,075 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:55:02,236 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:02,238 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:02,593 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:02,632 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:02,632 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:55:02,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:02 BoogieIcfgContainer [2023-11-24 22:55:02,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:02,635 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:02,635 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:02,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:02,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:02" (1/1) ... [2023-11-24 22:55:02,657 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) [2023-11-24 22:55:02,662 INFO L158 Benchmark]: Toolchain (without parser) took 1660.57ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 61.2MB in the end (delta: 15.1MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-24 22:55:02,662 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:02,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.25ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 86.9MB in the end (delta: -10.9MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:02,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.06ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:02,665 INFO L158 Benchmark]: Boogie Preprocessor took 37.22ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:02,666 INFO L158 Benchmark]: RCFGBuilder took 664.49ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 62.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:55:02,666 INFO L158 Benchmark]: CodeCheck took 25.21ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 61.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:02,670 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 0.32ms. Allocated memory is still 117.4MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.25ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 86.9MB in the end (delta: -10.9MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.06ms. Allocated memory is still 117.4MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.22ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.49ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 62.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 25.21ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 61.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:55:02,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:05,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:05,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:55:05,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:05,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:05,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:05,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:05,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:05,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:05,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:05,608 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:05,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:05,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:05,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:05,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:05,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:05,612 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:55:05,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:55:05,612 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:05,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:55:05,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:05,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:05,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:05,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:05,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:05,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:05,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:05,616 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:05,616 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:05,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:05,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:05,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:05,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:05,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:05,620 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:55:05,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:05,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:05,620 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:55:05,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:05,622 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_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2023-11-24 22:55:06,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:06,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:06,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:06,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:06,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:06,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack-1.i [2023-11-24 22:55:09,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:09,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:09,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/sv-benchmarks/c/pthread/stack-1.i [2023-11-24 22:55:09,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data/b67565bfc/41584b3e65f248c6ac3958eec36dc7b8/FLAG31d47e9eb [2023-11-24 22:55:09,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/data/b67565bfc/41584b3e65f248c6ac3958eec36dc7b8 [2023-11-24 22:55:09,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:09,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:09,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:09,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:09,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:09,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:09" (1/1) ... [2023-11-24 22:55:09,597 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542e7f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:09, skipping insertion in model container [2023-11-24 22:55:09,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:09" (1/1) ... [2023-11-24 22:55:09,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:10,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:10,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:10,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:10,524 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:10,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10 WrapperNode [2023-11-24 22:55:10,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:10,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:10,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:10,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:10,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,605 INFO L138 Inliner]: procedures = 282, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-24 22:55:10,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:10,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:10,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:10,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:10,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:10,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:10,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:10,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:10,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:10" (1/1) ... [2023-11-24 22:55:10,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:10,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:10,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:10,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:10,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:55:10,807 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:55:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:55:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:55:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:55:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:55:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:55:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:55:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:55:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 22:55:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 22:55:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:55:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 22:55:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 22:55:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:10,815 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:55:11,055 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:11,060 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:11,476 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:11,504 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:11,504 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:55:11,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:11 BoogieIcfgContainer [2023-11-24 22:55:11,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:11,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:11,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:11,518 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:11,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:11" (1/1) ... [2023-11-24 22:55:11,519 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) [2023-11-24 22:55:11,523 INFO L158 Benchmark]: Toolchain (without parser) took 1934.92ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 48.7MB in the end (delta: -5.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:11,524 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:11,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.00ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.3MB in the beginning and 45.3MB in the end (delta: -2.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:11,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.91ms. Allocated memory is still 86.0MB. Free memory was 45.3MB in the beginning and 42.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:11,532 INFO L158 Benchmark]: Boogie Preprocessor took 96.96ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 40.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:11,536 INFO L158 Benchmark]: RCFGBuilder took 801.17ms. Allocated memory is still 86.0MB. Free memory was 40.1MB in the beginning and 49.9MB in the end (delta: -9.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:11,537 INFO L158 Benchmark]: CodeCheck took 14.85ms. Allocated memory is still 86.0MB. Free memory was 49.9MB in the beginning and 49.0MB in the end (delta: 942.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:11,541 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 0.29ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 44.8MB in the end (delta: 60.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.00ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.3MB in the beginning and 45.3MB in the end (delta: -2.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.91ms. Allocated memory is still 86.0MB. Free memory was 45.3MB in the beginning and 42.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.96ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 40.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.17ms. Allocated memory is still 86.0MB. Free memory was 40.1MB in the beginning and 49.9MB in the end (delta: -9.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * CodeCheck took 14.85ms. Allocated memory is still 86.0MB. Free memory was 49.9MB in the beginning and 49.0MB in the end (delta: 942.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:55:11,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea20a6a-7bfd-421b-8b37-704cc93d1b0d/bin/ukojak-verify-afCqCEvfdi/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