./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2 --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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:12,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:12,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:12,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:12,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:12,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:12,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:12,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:12,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:12,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:12,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:12,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:12,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:12,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:12,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:12,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:12,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:12,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:12,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:12,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:12,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:12,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:12,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:12,271 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:12,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:12,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:12,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:12,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:12,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:12,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:12,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:12,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:12,275 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:12,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:12,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:12,275 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_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2023-11-21 18:25:12,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:12,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:12,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:12,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:12,615 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:12,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-21 18:25:15,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:16,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:16,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-21 18:25:16,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data/f7001dad8/586aa85e281b4f5f96a513f412b25150/FLAGde80c1a8a [2023-11-21 18:25:16,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data/f7001dad8/586aa85e281b4f5f96a513f412b25150 [2023-11-21 18:25:16,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:16,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:16,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:16,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:16,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:16,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620d2fa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16, skipping insertion in model container [2023-11-21 18:25:16,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:16,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:16,847 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:16,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:16,968 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:16,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16 WrapperNode [2023-11-21 18:25:16,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:16,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:16,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:16,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:16,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,069 INFO L138 Inliner]: procedures = 278, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-21 18:25:17,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:17,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:17,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:17,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:17,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:17,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:17,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:17,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:17,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:17,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:17,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:17,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:17,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:25:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:25:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:25:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:25:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:25:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:25:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:25:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:25:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:25:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:25:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:25:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:25:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:17,287 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:25:17,450 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:17,452 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:17,861 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:17,897 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:17,897 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:25:17,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:17 BoogieIcfgContainer [2023-11-21 18:25:17,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:17,901 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:17,901 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:17,914 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:17,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:17" (1/1) ... [2023-11-21 18:25:17,915 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) [2023-11-21 18:25:17,920 INFO L158 Benchmark]: Toolchain (without parser) took 1733.55ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 74.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,921 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory was 127.8MB in the beginning and 127.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:17,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.56ms. Allocated memory is still 153.1MB. Free memory was 85.9MB in the beginning and 100.2MB in the end (delta: -14.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.72ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 97.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,923 INFO L158 Benchmark]: Boogie Preprocessor took 88.69ms. Allocated memory is still 153.1MB. Free memory was 97.5MB in the beginning and 95.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,924 INFO L158 Benchmark]: RCFGBuilder took 739.13ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 75.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,925 INFO L158 Benchmark]: CodeCheck took 17.50ms. Allocated memory is still 153.1MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,929 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 0.35ms. Allocated memory is still 153.1MB. Free memory was 127.8MB in the beginning and 127.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.56ms. Allocated memory is still 153.1MB. Free memory was 85.9MB in the beginning and 100.2MB in the end (delta: -14.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.72ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 97.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.69ms. Allocated memory is still 153.1MB. Free memory was 97.5MB in the beginning and 95.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 739.13ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 75.6MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 17.50ms. Allocated memory is still 153.1MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:25:17,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/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_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2 --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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:20,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:20,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:25:20,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:20,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:20,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:20,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:20,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:20,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:20,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:20,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:20,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:20,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:20,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:20,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:20,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:20,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:25:20,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:25:20,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:20,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:25:20,966 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:20,967 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:20,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:20,968 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:20,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:20,969 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:20,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:20,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:20,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:20,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:20,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:20,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:20,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:20,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:20,974 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:25:20,974 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:20,974 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:20,975 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:25:20,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:20,976 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_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2023-11-21 18:25:21,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:21,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:21,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:21,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:21,426 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:21,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-21 18:25:24,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:25,245 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:25,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-21 18:25:25,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data/b500e38db/ca39a1493b2c4cb398fc4513a02ac91a/FLAG430d9c779 [2023-11-21 18:25:25,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/data/b500e38db/ca39a1493b2c4cb398fc4513a02ac91a [2023-11-21 18:25:25,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:25,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:25,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:25,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:25,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:25,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cd2586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25, skipping insertion in model container [2023-11-21 18:25:25,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,413 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:26,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:26,279 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:26,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:26,504 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:26,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26 WrapperNode [2023-11-21 18:25:26,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:26,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:26,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:26,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:26,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,607 INFO L138 Inliner]: procedures = 282, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-21 18:25:26,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:26,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:26,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:26,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:26,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:26,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:26,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:26,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:26,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:26" (1/1) ... [2023-11-21 18:25:26,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:26,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:26,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:26,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:25:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:25:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:25:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:25:26,778 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:25:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:26,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:25:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:25:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:25:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:25:26,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:25:26,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:25:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:25:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:26,789 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:25:26,791 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:25:26,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:26,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:26,793 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:25:26,976 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:26,979 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:27,378 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:27,424 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:27,425 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:25:27,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:27 BoogieIcfgContainer [2023-11-21 18:25:27,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:27,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:27,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:27,440 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:27,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:27" (1/1) ... [2023-11-21 18:25:27,442 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) [2023-11-21 18:25:27,449 INFO L158 Benchmark]: Toolchain (without parser) took 2143.41ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 46.0MB in the beginning and 45.7MB in the end (delta: 288.2kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-21 18:25:27,450 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:27,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1196.86ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 47.7MB in the end (delta: -2.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-21 18:25:27,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.89ms. Allocated memory is still 88.1MB. Free memory was 47.4MB in the beginning and 44.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:27,453 INFO L158 Benchmark]: Boogie Preprocessor took 77.58ms. Allocated memory is still 88.1MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:27,455 INFO L158 Benchmark]: RCFGBuilder took 741.71ms. Allocated memory is still 88.1MB. Free memory was 42.5MB in the beginning and 46.9MB in the end (delta: -4.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-21 18:25:27,455 INFO L158 Benchmark]: CodeCheck took 17.89ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 45.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:27,466 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 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1196.86ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 47.7MB in the end (delta: -2.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.89ms. Allocated memory is still 88.1MB. Free memory was 47.4MB in the beginning and 44.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.58ms. Allocated memory is still 88.1MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.71ms. Allocated memory is still 88.1MB. Free memory was 42.5MB in the beginning and 46.9MB in the end (delta: -4.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * CodeCheck took 17.89ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 45.7MB 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. [2023-11-21 18:25:27,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d880496-a529-4e37-8cbe-283a9a7ffff1/bin/ukojak-verify-i0I2FZA1j2/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported