./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longer-2.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_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/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_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/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_15579554-9e03-41f5-93c6-0b41f7eb328d/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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:15,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:15,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:10:15,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:15,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:15,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:15,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:15,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:15,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:15,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:15,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:15,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:15,156 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:15,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:15,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:15,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:15,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:15,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:15,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:15,160 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:15,161 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:15,161 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:15,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:15,162 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:15,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:15,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:15,164 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:15,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:15,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:15,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:15,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:15,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:15,166 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:15,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:15,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:15,168 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_15579554-9e03-41f5-93c6-0b41f7eb328d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2023-11-24 22:10:15,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:15,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:15,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:15,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:15,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:15,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-24 22:10:18,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:18,882 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:18,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-24 22:10:18,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data/4f7e3580f/debe4ddffb7c447d9e6d411652fd45f7/FLAG6318d2e7f [2023-11-24 22:10:18,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data/4f7e3580f/debe4ddffb7c447d9e6d411652fd45f7 [2023-11-24 22:10:18,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:18,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:18,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:18,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:18,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:18,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:18" (1/1) ... [2023-11-24 22:10:18,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314db823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:18, skipping insertion in model container [2023-11-24 22:10:18,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:18" (1/1) ... [2023-11-24 22:10:19,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:19,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:19,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:19,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:19,886 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:19,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19 WrapperNode [2023-11-24 22:10:19,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:19,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:19,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:19,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:19,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:19,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:19,985 INFO L138 Inliner]: procedures = 278, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-24 22:10:19,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:19,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:19,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:19,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:19,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:19,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:20,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:20,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:20,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:20,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:19" (1/1) ... [2023-11-24 22:10:20,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:20,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:20,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:20,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:10:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:10:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:10:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:10:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:10:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:10:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:10:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 22:10:20,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 22:10:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:10:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 22:10:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 22:10:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:20,149 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 22:10:20,343 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:20,346 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:20,655 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:20,691 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:20,691 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:10:20,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:20 BoogieIcfgContainer [2023-11-24 22:10:20,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:20,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:20,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:20,708 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:20,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:20" (1/1) ... [2023-11-24 22:10:20,709 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 22:10:20,713 INFO L158 Benchmark]: Toolchain (without parser) took 1767.44ms. Allocated memory is still 163.6MB. Free memory was 120.0MB in the beginning and 112.8MB in the end (delta: 7.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-24 22:10:20,713 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:20,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.12ms. Allocated memory is still 163.6MB. Free memory was 119.7MB in the beginning and 89.8MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:10:20,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.37ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 135.6MB in the end (delta: -45.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-11-24 22:10:20,715 INFO L158 Benchmark]: Boogie Preprocessor took 54.32ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 133.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:20,716 INFO L158 Benchmark]: RCFGBuilder took 651.20ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 113.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:10:20,717 INFO L158 Benchmark]: CodeCheck took 17.56ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 112.8MB in the end (delta: 893.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:20,720 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 104.9MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.12ms. Allocated memory is still 163.6MB. Free memory was 119.7MB in the beginning and 89.8MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.37ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 135.6MB in the end (delta: -45.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.32ms. Allocated memory is still 163.6MB. Free memory was 135.6MB in the beginning and 133.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.20ms. Allocated memory is still 163.6MB. Free memory was 133.8MB in the beginning and 113.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 17.56ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 112.8MB in the end (delta: 893.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:10:20,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/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_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/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_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/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_15579554-9e03-41f5-93c6-0b41f7eb328d/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 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:23,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:23,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:10:23,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:23,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:23,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:23,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:23,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:23,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:23,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:23,717 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:23,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:23,718 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:23,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:23,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:23,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:23,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:10:23,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:10:23,721 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:10:23,722 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:10:23,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:10:23,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:23,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:23,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:23,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:23,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:23,725 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:23,726 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:23,726 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:23,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:23,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:23,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:23,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:23,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:23,729 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:10:23,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:23,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:23,730 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:10:23,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:23,731 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_15579554-9e03-41f5-93c6-0b41f7eb328d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402cb3c5f3290109e83e598d96446a87fac59fa4aaa0b6234366e7da005f5688 [2023-11-24 22:10:24,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:24,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:24,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:24,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:24,160 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:24,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-24 22:10:27,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:27,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:27,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/sv-benchmarks/c/pthread/stack_longer-2.i [2023-11-24 22:10:27,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data/54c055dd6/c185aecbff604db8bb3601485afaecf1/FLAGd050b1e1e [2023-11-24 22:10:27,957 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/data/54c055dd6/c185aecbff604db8bb3601485afaecf1 [2023-11-24 22:10:27,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:27,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:27,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:27,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:27,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:27,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:27,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7542df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:27, skipping insertion in model container [2023-11-24 22:10:27,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:27" (1/1) ... [2023-11-24 22:10:28,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:28,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:28,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:28,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:28,999 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:29,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29 WrapperNode [2023-11-24 22:10:29,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:29,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:29,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:29,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:29,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,072 INFO L138 Inliner]: procedures = 282, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-24 22:10:29,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:29,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:29,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:29,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:29,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:29,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:29,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:29,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:29,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:29,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:29,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:29,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:10:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:10:29,215 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:10:29,216 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:10:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:10:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 22:10:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 22:10:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:10:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 22:10:29,217 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 22:10:29,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:29,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:29,219 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 22:10:29,424 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:29,427 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:29,787 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:29,817 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:29,818 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:10:29,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:29 BoogieIcfgContainer [2023-11-24 22:10:29,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:29,821 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:29,821 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:29,831 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:29,831 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,832 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 22:10:29,843 INFO L158 Benchmark]: Toolchain (without parser) took 1876.58ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 49.4MB in the beginning and 59.4MB in the end (delta: -10.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,844 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:29,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.72ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 57.9MB in the end (delta: -8.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.36ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,847 INFO L158 Benchmark]: Boogie Preprocessor took 44.95ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,849 INFO L158 Benchmark]: RCFGBuilder took 700.79ms. Allocated memory is still 98.6MB. Free memory was 52.9MB in the beginning and 60.4MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:10:29,849 INFO L158 Benchmark]: CodeCheck took 20.25ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 59.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:29,860 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 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.72ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 57.9MB in the end (delta: -8.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.36ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.95ms. Allocated memory is still 98.6MB. Free memory was 55.4MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.79ms. Allocated memory is still 98.6MB. Free memory was 52.9MB in the beginning and 60.4MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 20.25ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 59.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:10:29,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15579554-9e03-41f5-93c6-0b41f7eb328d/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