./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/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_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/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_354eb02d-c598-425c-ad7c-11610027ad73/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 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:53,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:53,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:02:53,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:02:53,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:02:53,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:53,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:53,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:53,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:53,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:53,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:53,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:53,721 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:02:53,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:02:53,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:02:53,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:53,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:53,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:53,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:53,725 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:53,726 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:53,726 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:02:53,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:53,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:53,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:53,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:53,730 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:53,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:53,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:53,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:53,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:53,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:53,734 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:02:53,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:02:53,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:53,734 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_354eb02d-c598-425c-ad7c-11610027ad73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-11-23 20:02:54,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:54,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:54,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:54,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:54,112 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:54,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-23 20:02:57,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:57,599 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:57,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-23 20:02:57,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data/166e6f239/45125f06086347f1b27f8facb9223a7f/FLAG2fe8986d2 [2023-11-23 20:02:57,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data/166e6f239/45125f06086347f1b27f8facb9223a7f [2023-11-23 20:02:57,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:57,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:57,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:57,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:57,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:57,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:57" (1/1) ... [2023-11-23 20:02:57,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21919732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:57, skipping insertion in model container [2023-11-23 20:02:57,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:57" (1/1) ... [2023-11-23 20:02:57,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:58,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:58,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:58,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:58,289 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:58,289 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:58,297 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:58,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58 WrapperNode [2023-11-23 20:02:58,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:58,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:58,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:58,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:58,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,377 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 20:02:58,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:58,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:58,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:58,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:58,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:58,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:58,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:58,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:58,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:58" (1/1) ... [2023-11-23 20:02:58,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:58,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:58,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:58,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:02:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:02:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:02:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:02:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:02:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:02:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:02:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:02:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:58,523 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 20:02:58,758 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:58,761 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:59,056 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:59,092 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:59,093 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:02:59,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:59 BoogieIcfgContainer [2023-11-23 20:02:59,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:59,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:59,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:59,108 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:59,108 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:59" (1/1) ... [2023-11-23 20:02:59,109 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 20:02:59,114 INFO L158 Benchmark]: Toolchain (without parser) took 1469.79ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 60.5MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:59,115 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:59,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.07ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 82.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:02:59,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.24ms. Allocated memory is still 151.0MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:59,117 INFO L158 Benchmark]: Boogie Preprocessor took 42.28ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:59,118 INFO L158 Benchmark]: RCFGBuilder took 673.30ms. Allocated memory is still 151.0MB. Free memory was 79.0MB in the beginning and 61.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:59,119 INFO L158 Benchmark]: CodeCheck took 16.21ms. Allocated memory is still 151.0MB. Free memory was 61.4MB in the beginning and 60.5MB in the end (delta: 838.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:59,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.07ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 82.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.24ms. Allocated memory is still 151.0MB. Free memory was 82.4MB in the beginning and 80.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.28ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 673.30ms. Allocated memory is still 151.0MB. Free memory was 79.0MB in the beginning and 61.4MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16.21ms. Allocated memory is still 151.0MB. Free memory was 61.4MB in the beginning and 60.5MB in the end (delta: 838.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:02:59,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/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_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/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_354eb02d-c598-425c-ad7c-11610027ad73/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 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:02,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:02,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:03:02,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:02,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:02,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:02,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:02,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:02,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:02,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:02,205 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:03:02,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:03:02,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:02,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:02,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:02,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:02,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:03:02,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:03:02,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:02,211 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:03:02,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:02,212 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:03:02,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:02,213 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:02,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:02,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:02,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:02,215 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:03:02,215 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:03:02,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:02,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:02,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:02,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:02,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:02,217 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:03:02,217 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:03:02,218 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:02,218 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:03:02,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:03:02,218 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_354eb02d-c598-425c-ad7c-11610027ad73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-11-23 20:03:02,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:02,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:02,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:02,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:02,630 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:02,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-23 20:03:05,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:06,112 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:06,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/sv-benchmarks/c/pthread/fib_safe-5.i [2023-11-23 20:03:06,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data/3f28d9af8/4a907e88cf6445d291feda727c76b393/FLAGfc76496d2 [2023-11-23 20:03:06,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/data/3f28d9af8/4a907e88cf6445d291feda727c76b393 [2023-11-23 20:03:06,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:06,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:06,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:06,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:06,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:06,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f474013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06, skipping insertion in model container [2023-11-23 20:03:06,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:06,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:06,698 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:06,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:06,825 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:06,825 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:06,862 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:06,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06 WrapperNode [2023-11-23 20:03:06,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:06,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:06,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:06,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:06,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,962 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 20:03:06,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:06,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:06,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:06,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:06,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:06,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:07,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:07,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:07,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:07,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:07,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:06" (1/1) ... [2023-11-23 20:03:07,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:07,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:07,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:07,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:03:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:03:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:03:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:03:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:03:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:03:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:03:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:03:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:07,102 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 20:03:07,262 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:07,265 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:07,570 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:07,605 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:07,606 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:03:07,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:07 BoogieIcfgContainer [2023-11-23 20:03:07,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:07,609 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:07,609 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:07,619 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:07,619 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:07" (1/1) ... [2023-11-23 20:03:07,620 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 20:03:07,625 INFO L158 Benchmark]: Toolchain (without parser) took 1447.70ms. Allocated memory is still 79.7MB. Free memory was 53.4MB in the beginning and 32.3MB in the end (delta: 21.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-23 20:03:07,625 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:07,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.31ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 56.2MB in the end (delta: -3.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-23 20:03:07,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.41ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:07,628 INFO L158 Benchmark]: Boogie Preprocessor took 40.50ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:03:07,629 INFO L158 Benchmark]: RCFGBuilder took 603.03ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 33.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:03:07,629 INFO L158 Benchmark]: CodeCheck took 14.45ms. Allocated memory is still 79.7MB. Free memory was 33.2MB in the beginning and 32.3MB in the end (delta: 853.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:03:07,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.31ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 56.2MB in the end (delta: -3.0MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.41ms. Allocated memory is still 79.7MB. Free memory was 56.2MB in the beginning and 53.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.50ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.03ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 33.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 14.45ms. Allocated memory is still 79.7MB. Free memory was 33.2MB in the beginning and 32.3MB in the end (delta: 853.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:03:07,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354eb02d-c598-425c-ad7c-11610027ad73/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported