./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/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_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:27,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:28,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:00:28,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:28,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:28,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:28,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:28,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:28,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:28,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:28,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:28,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:28,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:28,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:28,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:28,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:28,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:28,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:28,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:28,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:28,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:28,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:28,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:28,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:28,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:28,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:28,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:28,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:28,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:28,139 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:28,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:28,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:28,141 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_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-12 00:00:28,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:28,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:28,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:28,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:28,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:28,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-12 00:00:31,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:31,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:31,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-12 00:00:31,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data/92349511d/f82b8fa417a6490683d621a7179b9987/FLAG4cc244006 [2023-11-12 00:00:31,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data/92349511d/f82b8fa417a6490683d621a7179b9987 [2023-11-12 00:00:31,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:31,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:31,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:31,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:32,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:32,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:31" (1/1) ... [2023-11-12 00:00:32,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526e063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:32, skipping insertion in model container [2023-11-12 00:00:32,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:31" (1/1) ... [2023-11-12 00:00:32,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:32,800 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-11-12 00:00:32,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:32,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:32,925 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-11-12 00:00:32,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:33,046 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:33,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33 WrapperNode [2023-11-12 00:00:33,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:33,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:33,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:33,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:33,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,106 INFO L138 Inliner]: procedures = 277, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 136 [2023-11-12 00:00:33,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:33,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:33,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:33,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:33,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:33,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:33,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:33,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:33,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:33,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:33,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:33,235 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:00:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:00:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:00:33,236 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:00:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-12 00:00:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-12 00:00:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:00:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-12 00:00:33,240 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-12 00:00:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:33,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:33,266 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:33,438 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:33,440 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:33,705 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:33,715 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:33,716 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:00:33,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:33 BoogieIcfgContainer [2023-11-12 00:00:33,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:33,720 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:33,720 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:33,731 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:33,732 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:33" (1/1) ... [2023-11-12 00:00:33,733 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) [2023-11-12 00:00:33,738 INFO L158 Benchmark]: Toolchain (without parser) took 1739.81ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 115.5MB in the beginning and 177.9MB in the end (delta: -62.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:33,738 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 163.6MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:33,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1049.16ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 85.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.26ms. Allocated memory is still 163.6MB. Free memory was 85.7MB in the beginning and 83.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,741 INFO L158 Benchmark]: Boogie Preprocessor took 50.01ms. Allocated memory is still 163.6MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,742 INFO L158 Benchmark]: RCFGBuilder took 560.83ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 81.0MB in the beginning and 178.9MB in the end (delta: -97.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:33,742 INFO L158 Benchmark]: CodeCheck took 16.00ms. Allocated memory is still 220.2MB. Free memory was 178.9MB in the beginning and 177.9MB in the end (delta: 954.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:33,746 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 0.28ms. Allocated memory is still 163.6MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1049.16ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 85.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.26ms. Allocated memory is still 163.6MB. Free memory was 85.7MB in the beginning and 83.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.01ms. Allocated memory is still 163.6MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.83ms. Allocated memory was 163.6MB in the beginning and 220.2MB in the end (delta: 56.6MB). Free memory was 81.0MB in the beginning and 178.9MB in the end (delta: -97.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 16.00ms. Allocated memory is still 220.2MB. Free memory was 178.9MB in the beginning and 177.9MB in the end (delta: 954.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:33,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/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_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/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_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:36,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:36,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-12 00:00:36,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:36,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:36,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:36,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:36,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:36,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:36,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:36,702 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:36,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:36,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:36,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:36,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:36,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:36,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:36,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:36,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:36,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:36,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:36,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:36,710 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:36,710 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:36,711 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:36,711 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:36,712 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:36,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:36,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:36,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:36,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:36,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:36,715 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:36,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:36,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:36,716 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:36,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:36,717 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_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-12 00:00:37,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:37,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:37,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:37,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:37,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:37,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-12 00:00:40,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:40,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:40,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-12 00:00:40,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data/f613a1b91/ef3256fcc5e64995995aa2b4f8f5df7a/FLAGd98cb5b25 [2023-11-12 00:00:40,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/data/f613a1b91/ef3256fcc5e64995995aa2b4f8f5df7a [2023-11-12 00:00:40,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:40,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:40,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:40,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:40,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:40,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758963f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40, skipping insertion in model container [2023-11-12 00:00:40,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,864 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:41,468 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-11-12 00:00:41,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:41,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:41,619 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-11-12 00:00:41,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:41,724 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:41,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41 WrapperNode [2023-11-12 00:00:41,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:41,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:41,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:41,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:41,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,784 INFO L138 Inliner]: procedures = 281, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2023-11-12 00:00:41,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:41,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:41,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:41,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:41,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:41,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:41,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:41,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:41,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:41" (1/1) ... [2023-11-12 00:00:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:41,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:41,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:00:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:00:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:00:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:00:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:00:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:00:41,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:41,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:00:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-12 00:00:41,962 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-12 00:00:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:00:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:41,962 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-12 00:00:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-12 00:00:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:41,966 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:42,162 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:42,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:42,459 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:42,468 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:42,469 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:00:42,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:42 BoogieIcfgContainer [2023-11-12 00:00:42,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:42,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:42,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:42,482 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:42,483 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:42" (1/1) ... [2023-11-12 00:00:42,484 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) [2023-11-12 00:00:42,488 INFO L158 Benchmark]: Toolchain (without parser) took 1694.34ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.2MB in the beginning and 46.9MB in the end (delta: -1.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,488 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:42,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 931.15ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.0MB in the beginning and 45.8MB in the end (delta: -708.6kB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.37ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,490 INFO L158 Benchmark]: Boogie Preprocessor took 68.46ms. Allocated memory is still 86.0MB. Free memory was 43.0MB in the beginning and 40.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,491 INFO L158 Benchmark]: RCFGBuilder took 616.73ms. Allocated memory is still 86.0MB. Free memory was 40.9MB in the beginning and 47.8MB in the end (delta: -6.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,492 INFO L158 Benchmark]: CodeCheck took 13.72ms. Allocated memory is still 86.0MB. Free memory was 47.8MB in the beginning and 46.9MB in the end (delta: 833.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:42,495 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 0.27ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 931.15ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.0MB in the beginning and 45.8MB in the end (delta: -708.6kB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.37ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.46ms. Allocated memory is still 86.0MB. Free memory was 43.0MB in the beginning and 40.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.73ms. Allocated memory is still 86.0MB. Free memory was 40.9MB in the beginning and 47.8MB in the end (delta: -6.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * CodeCheck took 13.72ms. Allocated memory is still 86.0MB. Free memory was 47.8MB in the beginning and 46.9MB in the end (delta: 833.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:42,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ed6315e-17c2-42b8-8d47-e7deb89f5d63/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