./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC --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 ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:18,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:18,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:18,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:18,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:18,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:18,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:18,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:18,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:18,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:18,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:18,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:18,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:18,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:18,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:18,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:18,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:18,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:18,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:18,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:18,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:18,373 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:18,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:18,374 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:18,375 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:18,376 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:18,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:18,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:18,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:18,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:18,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:18,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:18,379 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:18,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:18,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:18,380 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_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-23 20:11:18,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:18,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:18,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:18,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:18,714 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:18,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-23 20:11:21,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:22,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:22,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-23 20:11:22,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data/9249df4d1/2ce5d350ce5347308fd75dab74b64534/FLAGa13726b55 [2023-11-23 20:11:22,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data/9249df4d1/2ce5d350ce5347308fd75dab74b64534 [2023-11-23 20:11:22,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:22,122 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:22,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:22,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:22,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:22,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3437c0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22, skipping insertion in model container [2023-11-23 20:11:22,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:22,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:22,679 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:22,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:22,801 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:22,801 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:22,809 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:22,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22 WrapperNode [2023-11-23 20:11:22,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:22,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:22,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:22,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:22,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,891 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 20:11:22,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:22,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:22,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:22,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:22,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:22,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:22,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:22,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:22,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:22" (1/1) ... [2023-11-23 20:11:22,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:22,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:23,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:23,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:11:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:11:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:11:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:11:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:11:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:11:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:23,067 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:11:23,262 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:23,265 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:23,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:23,562 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:23,573 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:11:23,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:23 BoogieIcfgContainer [2023-11-23 20:11:23,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:23,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:23,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:23,588 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:23,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:23" (1/1) ... [2023-11-23 20:11:23,590 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) [2023-11-23 20:11:23,597 INFO L158 Benchmark]: Toolchain (without parser) took 1474.79ms. Allocated memory is still 136.3MB. Free memory was 89.0MB in the beginning and 47.2MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 20:11:23,598 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:23,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.11ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 69.2MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:11:23,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.57ms. Allocated memory is still 136.3MB. Free memory was 69.2MB in the beginning and 67.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:23,601 INFO L158 Benchmark]: Boogie Preprocessor took 68.11ms. Allocated memory is still 136.3MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:23,603 INFO L158 Benchmark]: RCFGBuilder took 613.84ms. Allocated memory is still 136.3MB. Free memory was 65.4MB in the beginning and 48.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:11:23,604 INFO L158 Benchmark]: CodeCheck took 19.08ms. Allocated memory is still 136.3MB. Free memory was 48.1MB in the beginning and 47.2MB in the end (delta: 913.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:23,614 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 0.31ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.11ms. Allocated memory is still 136.3MB. Free memory was 88.8MB in the beginning and 69.2MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.57ms. Allocated memory is still 136.3MB. Free memory was 69.2MB in the beginning and 67.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.11ms. Allocated memory is still 136.3MB. Free memory was 67.0MB in the beginning and 65.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 613.84ms. Allocated memory is still 136.3MB. Free memory was 65.4MB in the beginning and 48.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 19.08ms. Allocated memory is still 136.3MB. Free memory was 48.1MB in the beginning and 47.2MB in the end (delta: 913.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:11:23,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC --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 ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:26,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:26,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:11:26,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:26,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:26,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:26,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:26,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:26,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:26,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:26,629 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:26,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:26,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:26,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:26,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:26,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:26,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:11:26,634 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:11:26,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:26,635 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:11:26,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:26,636 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:26,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:26,637 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:26,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:26,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:26,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:26,639 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:11:26,640 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:11:26,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:26,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:26,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:26,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:26,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:26,644 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:11:26,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:11:26,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:26,645 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:11:26,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:11:26,646 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_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-23 20:11:27,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:27,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:27,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:27,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:27,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:27,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-23 20:11:30,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:30,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:30,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-23 20:11:30,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data/a16b2f316/76604aebc8554832864435254f87c918/FLAG5757c4886 [2023-11-23 20:11:30,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/data/a16b2f316/76604aebc8554832864435254f87c918 [2023-11-23 20:11:30,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:30,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:30,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:30,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:30,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:30,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:30" (1/1) ... [2023-11-23 20:11:30,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc859dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:30, skipping insertion in model container [2023-11-23 20:11:30,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:30" (1/1) ... [2023-11-23 20:11:30,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:31,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:31,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:31,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:31,610 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:31,611 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:31,619 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:31,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31 WrapperNode [2023-11-23 20:11:31,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:31,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:31,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:31,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:31,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,708 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 20:11:31,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:31,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:31,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:31,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:31,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:31,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:31,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:31,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:31,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:31" (1/1) ... [2023-11-23 20:11:31,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:31,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:31,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:11:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:11:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:11:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:11:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:11:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:11:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:11:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:11:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:31,850 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:11:31,998 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:32,001 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:32,351 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:32,406 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:11:32,406 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:11:32,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:32 BoogieIcfgContainer [2023-11-23 20:11:32,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:11:32,409 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:11:32,409 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:11:32,420 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:11:32,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:32" (1/1) ... [2023-11-23 20:11:32,422 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) [2023-11-23 20:11:32,428 INFO L158 Benchmark]: Toolchain (without parser) took 1548.08ms. Allocated memory is still 90.2MB. Free memory was 64.5MB in the beginning and 41.7MB in the end (delta: 22.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-23 20:11:32,429 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:32,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.81ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 65.4MB in the end (delta: -1.1MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-23 20:11:32,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.68ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 63.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:11:32,433 INFO L158 Benchmark]: Boogie Preprocessor took 38.49ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:32,435 INFO L158 Benchmark]: RCFGBuilder took 655.89ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 42.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:11:32,436 INFO L158 Benchmark]: CodeCheck took 16.99ms. Allocated memory is still 90.2MB. Free memory was 42.9MB in the beginning and 41.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:32,449 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 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.81ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 65.4MB in the end (delta: -1.1MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.68ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 63.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.49ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.89ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 42.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.99ms. Allocated memory is still 90.2MB. Free memory was 42.9MB in the beginning and 41.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:11:32,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9f85f2-e2f8-41b8-9932-b8ea39d0e394/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported