./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:26,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:26,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:08:26,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:26,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:27,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:27,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:27,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:27,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:27,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:27,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:27,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:27,021 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:27,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:27,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:27,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:27,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:27,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:27,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:27,026 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:27,026 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:27,027 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:27,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:27,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:27,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:27,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:27,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:27,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:27,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:27,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:27,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:27,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:27,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:27,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:27,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:27,034 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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-24 23:08:27,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:27,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:27,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:27,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:27,399 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:27,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-24 23:08:30,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:30,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:30,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/sv-benchmarks/c/pthread/stack-2.i [2023-11-24 23:08:30,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data/c5f532657/9b575335fa1040a19b2e22d11dbde4f4/FLAGdd3a51d76 [2023-11-24 23:08:30,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data/c5f532657/9b575335fa1040a19b2e22d11dbde4f4 [2023-11-24 23:08:30,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:30,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:30,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:30,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:30,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:30,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2371199d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:30, skipping insertion in model container [2023-11-24 23:08:30,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:30" (1/1) ... [2023-11-24 23:08:30,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:31,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:31,503 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:31,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:31,677 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:31,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31 WrapperNode [2023-11-24 23:08:31,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:31,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:31,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:31,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:31,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,753 INFO L138 Inliner]: procedures = 278, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-24 23:08:31,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:31,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:31,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:31,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:31,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:31,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:31,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:31,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:31,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:31,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:31,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:31,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 23:08:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 23:08:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 23:08:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 23:08:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 23:08:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:08:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:08:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 23:08:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 23:08:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 23:08:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 23:08:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 23:08:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:31,900 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 23:08:32,164 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:32,169 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:32,535 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:32,574 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:32,582 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:08:32,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:32 BoogieIcfgContainer [2023-11-24 23:08:32,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:32,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:32,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:32,603 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:32,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:32" (1/1) ... [2023-11-24 23:08:32,604 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 23:08:32,608 INFO L158 Benchmark]: Toolchain (without parser) took 1763.54ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 123.3MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:32,609 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:32,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 832.42ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 90.5MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 23:08:32,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.54ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 87.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:32,611 INFO L158 Benchmark]: Boogie Preprocessor took 40.54ms. Allocated memory is still 167.8MB. Free memory was 87.8MB in the beginning and 86.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:32,611 INFO L158 Benchmark]: RCFGBuilder took 795.73ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 123.6MB in the end (delta: -37.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-24 23:08:32,613 INFO L158 Benchmark]: CodeCheck took 14.66ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 123.3MB in the end (delta: 368.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:32,623 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 0.26ms. Allocated memory is still 111.1MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 832.42ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 90.5MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.54ms. Allocated memory is still 167.8MB. Free memory was 90.5MB in the beginning and 87.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.54ms. Allocated memory is still 167.8MB. Free memory was 87.8MB in the beginning and 86.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 795.73ms. Allocated memory is still 167.8MB. Free memory was 86.3MB in the beginning and 123.6MB in the end (delta: -37.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * CodeCheck took 14.66ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 123.3MB in the end (delta: 368.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:08:32,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:35,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:35,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:08:35,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:35,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:35,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:35,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:35,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:35,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:35,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:35,587 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:35,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:35,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:35,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:35,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:35,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:35,592 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:08:35,592 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:08:35,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:35,594 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:08:35,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:35,595 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:35,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:35,596 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:35,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:35,597 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:35,597 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:35,597 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:35,599 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:08:35,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:35,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:35,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:35,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:35,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:35,602 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:08:35,602 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:08:35,603 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:35,603 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:08:35,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:08:35,604 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_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-24 23:08:35,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:35,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:35,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:36,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:36,000 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:36,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-24 23:08:39,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:39,553 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:39,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/sv-benchmarks/c/pthread/stack-2.i [2023-11-24 23:08:39,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data/208e8c087/a9d52cf0770445688707947ddee9f751/FLAG393507be9 [2023-11-24 23:08:39,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/data/208e8c087/a9d52cf0770445688707947ddee9f751 [2023-11-24 23:08:39,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:39,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:39,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:39,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:39,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:39,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:39" (1/1) ... [2023-11-24 23:08:39,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720fb651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:39, skipping insertion in model container [2023-11-24 23:08:39,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:39" (1/1) ... [2023-11-24 23:08:39,689 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:40,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:40,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:40,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:40,601 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:40,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40 WrapperNode [2023-11-24 23:08:40,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:40,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:40,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:40,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:40,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,689 INFO L138 Inliner]: procedures = 282, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-24 23:08:40,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:40,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:40,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:40,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:40,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:40,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:40,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:40,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:40,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:40" (1/1) ... [2023-11-24 23:08:40,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:40,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:40,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:40,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:08:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 23:08:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 23:08:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 23:08:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 23:08:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:08:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:08:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:08:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 23:08:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 23:08:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 23:08:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 23:08:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 23:08:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 23:08:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:40,874 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 23:08:41,097 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:41,100 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:41,443 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:41,469 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:41,470 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:08:41,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:41 BoogieIcfgContainer [2023-11-24 23:08:41,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:41,473 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:41,473 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:41,483 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:41,483 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:41" (1/1) ... [2023-11-24 23:08:41,484 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 23:08:41,488 INFO L158 Benchmark]: Toolchain (without parser) took 1880.40ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.7MB in the beginning and 50.5MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:08:41,489 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 19.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:41,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 993.34ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 45.1MB in the end (delta: 452.6kB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:41,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.41ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 42.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:41,491 INFO L158 Benchmark]: Boogie Preprocessor took 82.04ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 40.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:41,492 INFO L158 Benchmark]: RCFGBuilder took 698.13ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 40.1MB in the beginning and 51.4MB in the end (delta: -11.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:41,493 INFO L158 Benchmark]: CodeCheck took 14.08ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 50.5MB in the end (delta: 881.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:41,496 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 0.26ms. Allocated memory is still 56.6MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 19.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 993.34ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 45.1MB in the end (delta: 452.6kB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.41ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 42.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.04ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 40.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.13ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 40.1MB in the beginning and 51.4MB in the end (delta: -11.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * CodeCheck took 14.08ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 50.5MB in the end (delta: 881.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:08:41,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbe0cf-a2fa-45cf-912c-8d146b079db9/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