./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV --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 c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:29,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:29,741 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:48:29,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:29,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:29,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:29,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:29,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:29,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:29,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:29,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:29,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:29,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:29,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:29,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:29,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:29,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:29,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:29,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:29,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:29,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:29,812 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:29,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:29,814 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:29,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:29,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:29,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:29,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:29,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:29,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:29,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:29,821 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:29,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:29,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:29,822 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_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2023-11-11 23:48:30,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:30,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:30,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:30,183 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:30,183 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:30,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-11 23:48:33,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:33,702 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:33,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/sv-benchmarks/c/pthread/twostage_3.i [2023-11-11 23:48:33,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data/4b4c95f4d/9d1797bc9a704877b01a2a4eb6b76d0a/FLAGb14500fa2 [2023-11-11 23:48:33,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data/4b4c95f4d/9d1797bc9a704877b01a2a4eb6b76d0a [2023-11-11 23:48:33,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:33,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:33,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:33,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:33,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:33,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:33" (1/1) ... [2023-11-11 23:48:33,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9354ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:33, skipping insertion in model container [2023-11-11 23:48:33,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:33" (1/1) ... [2023-11-11 23:48:33,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:34,768 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:34,773 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:34,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:34,790 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:34,900 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:34,902 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:34,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:35,017 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:35,025 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:35,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35 WrapperNode [2023-11-11 23:48:35,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:35,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:35,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:35,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:35,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,136 INFO L138 Inliner]: procedures = 374, calls = 62, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 228 [2023-11-11 23:48:35,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:35,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:35,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:35,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:35,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:35,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:35,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:35,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:35,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:35,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:35,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:35,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-11-11 23:48:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-11-11 23:48:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-11-11 23:48:35,297 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-11-11 23:48:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-11 23:48:35,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:48:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:35,298 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:48:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:48:35,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:35,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:35,303 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:35,497 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:35,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:35,959 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:35,977 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:35,977 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:48:35,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:35 BoogieIcfgContainer [2023-11-11 23:48:35,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:35,982 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:35,982 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:35,994 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:35,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:35" (1/1) ... [2023-11-11 23:48:35,995 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:48:36,001 INFO L158 Benchmark]: Toolchain (without parser) took 2249.76ms. Allocated memory is still 186.6MB. Free memory was 145.2MB in the beginning and 74.2MB in the end (delta: 71.0MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-11 23:48:36,001 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 115.3MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:36,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1276.08ms. Allocated memory is still 186.6MB. Free memory was 145.2MB in the beginning and 104.5MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-11 23:48:36,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.86ms. Allocated memory is still 186.6MB. Free memory was 104.5MB in the beginning and 101.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:36,005 INFO L158 Benchmark]: Boogie Preprocessor took 69.60ms. Allocated memory is still 186.6MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:36,007 INFO L158 Benchmark]: RCFGBuilder took 773.27ms. Allocated memory is still 186.6MB. Free memory was 99.4MB in the beginning and 75.1MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:36,009 INFO L158 Benchmark]: CodeCheck took 16.85ms. Allocated memory is still 186.6MB. Free memory was 75.1MB in the beginning and 74.2MB in the end (delta: 899.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:36,018 INFO L338 ainManager$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 0.49ms. Allocated memory is still 115.3MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1276.08ms. Allocated memory is still 186.6MB. Free memory was 145.2MB in the beginning and 104.5MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.86ms. Allocated memory is still 186.6MB. Free memory was 104.5MB in the beginning and 101.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.60ms. Allocated memory is still 186.6MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.27ms. Allocated memory is still 186.6MB. Free memory was 99.4MB in the beginning and 75.1MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 16.85ms. Allocated memory is still 186.6MB. Free memory was 75.1MB in the beginning and 74.2MB in the end (delta: 899.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:36,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV --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 c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:38,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:38,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:48:38,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:38,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:38,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:38,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:38,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:38,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:38,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:38,919 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:38,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:38,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:38,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:38,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:38,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:38,923 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:38,923 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:38,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:38,924 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:38,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:38,931 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:38,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:38,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:38,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:38,933 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:38,933 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:38,934 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:38,934 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:38,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:38,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:38,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:38,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:38,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:38,936 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:38,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:38,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:38,937 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:38,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:38,938 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_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2023-11-11 23:48:39,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:39,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:39,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:39,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:39,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:39,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-11 23:48:42,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:43,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:43,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/sv-benchmarks/c/pthread/twostage_3.i [2023-11-11 23:48:43,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data/4fc50437c/aa6db3eff61f4bacbd68e56ffab8afa6/FLAG95e947885 [2023-11-11 23:48:43,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/data/4fc50437c/aa6db3eff61f4bacbd68e56ffab8afa6 [2023-11-11 23:48:43,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:43,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:43,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:43,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:43,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:43,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:43" (1/1) ... [2023-11-11 23:48:43,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639c8bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:43, skipping insertion in model container [2023-11-11 23:48:43,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:43" (1/1) ... [2023-11-11 23:48:43,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:44,314 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:44,318 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:44,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:44,336 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:48:44,349 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:44,431 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:44,432 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:44,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:44,441 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:44,533 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:44,534 WARN L1577 CHandler]: Possible shadowing of function lock [2023-11-11 23:48:44,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:44,671 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:44,679 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:44,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44 WrapperNode [2023-11-11 23:48:44,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:44,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:44,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:44,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:44,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,774 INFO L138 Inliner]: procedures = 378, calls = 62, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 219 [2023-11-11 23:48:44,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:44,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:44,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:44,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:44,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:44,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:44,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:44,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:44,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:44" (1/1) ... [2023-11-11 23:48:44,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:44,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:44,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:44,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:48:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2023-11-11 23:48:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2023-11-11 23:48:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2023-11-11 23:48:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2023-11-11 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-11 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:48:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:48:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:48:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:48:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:44,922 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:45,145 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:45,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:45,776 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:45,790 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:45,790 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:48:45,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:45 BoogieIcfgContainer [2023-11-11 23:48:45,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:45,794 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:45,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:45,809 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:45,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:45" (1/1) ... [2023-11-11 23:48:45,810 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) [2023-11-11 23:48:45,817 INFO L158 Benchmark]: Toolchain (without parser) took 2555.69ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 30.9MB in the end (delta: 1.6MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:45,818 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:45,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1420.02ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.3MB in the beginning and 47.6MB in the end (delta: -15.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:45,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.98ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 44.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:45,821 INFO L158 Benchmark]: Boogie Preprocessor took 50.25ms. Allocated memory is still 75.5MB. Free memory was 44.4MB in the beginning and 41.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:45,822 INFO L158 Benchmark]: RCFGBuilder took 966.90ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 31.8MB in the end (delta: 9.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:48:45,823 INFO L158 Benchmark]: CodeCheck took 21.31ms. Allocated memory is still 75.5MB. Free memory was 31.8MB in the beginning and 30.9MB in the end (delta: 981.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:45,836 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 0.30ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1420.02ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.3MB in the beginning and 47.6MB in the end (delta: -15.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.98ms. Allocated memory is still 75.5MB. Free memory was 47.6MB in the beginning and 44.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.25ms. Allocated memory is still 75.5MB. Free memory was 44.4MB in the beginning and 41.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 966.90ms. Allocated memory is still 75.5MB. Free memory was 41.6MB in the beginning and 31.8MB in the end (delta: 9.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 21.31ms. Allocated memory is still 75.5MB. Free memory was 31.8MB in the beginning and 30.9MB in the end (delta: 981.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:45,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a88d794-f8fd-41dc-b23e-01d9cfc2a5d7/bin/ukojak-verify-0OAaufAVZV/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