./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 01:05:52,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:05:52,506 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:05:52,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:05:52,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:05:52,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:05:52,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:05:52,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:05:52,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:05:52,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:05:52,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:05:52,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:05:52,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:05:52,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:05:52,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:05:52,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:05:52,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:05:52,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:05:52,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:05:52,556 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:05:52,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:05:52,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:05:52,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:05:52,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:05:52,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:05:52,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:05:52,559 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:05:52,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:05:52,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:52,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:05:52,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:05:52,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:05:52,561 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:05:52,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:05:52,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:05:52,562 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_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-12-03 01:05:52,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:05:52,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:05:52,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:05:52,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:05:52,829 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:05:52,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-12-03 01:05:55,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:05:55,846 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:05:55,847 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/sv-benchmarks/c/pthread/fib_safe-5.i [2023-12-03 01:05:55,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data/fe9b7258f/9ac19e15147242b5b1d0c9eb885daae0/FLAG550339bf3 [2023-12-03 01:05:55,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data/fe9b7258f/9ac19e15147242b5b1d0c9eb885daae0 [2023-12-03 01:05:55,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:05:55,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:05:55,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:55,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:05:55,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:05:55,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:55" (1/1) ... [2023-12-03 01:05:55,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed70585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:55, skipping insertion in model container [2023-12-03 01:05:55,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:05:55" (1/1) ... [2023-12-03 01:05:55,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:05:56,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:56,268 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:05:56,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:05:56,339 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:56,339 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:05:56,348 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:05:56,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56 WrapperNode [2023-12-03 01:05:56,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:05:56,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:56,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:05:56,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:05:56,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,399 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-12-03 01:05:56,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:05:56,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:05:56,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:05:56,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:05:56,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:05:56,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:05:56,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:05:56,435 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:05:56,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:56,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:05:56,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:05:56,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:05:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-03 01:05:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-03 01:05:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-03 01:05:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-03 01:05:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:05:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:05:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:05:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:05:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:05:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:05:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:05:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:05:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:05:56,511 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:05:56,650 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:05:56,652 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:05:56,850 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:05:56,882 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:05:56,883 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 01:05:56,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:56 BoogieIcfgContainer [2023-12-03 01:05:56,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:05:56,886 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:05:56,886 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:05:56,897 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:05:56,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:05:56" (1/1) ... [2023-12-03 01:05:56,898 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) [2023-12-03 01:05:56,902 INFO L158 Benchmark]: Toolchain (without parser) took 1020.45ms. Allocated memory is still 155.2MB. Free memory was 94.2MB in the beginning and 51.9MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 01:05:56,902 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:05:56,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.43ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 74.5MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:05:56,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.18ms. Allocated memory is still 155.2MB. Free memory was 74.5MB in the beginning and 72.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:05:56,924 INFO L158 Benchmark]: Boogie Preprocessor took 33.20ms. Allocated memory is still 155.2MB. Free memory was 72.5MB in the beginning and 70.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:05:56,925 INFO L158 Benchmark]: RCFGBuilder took 450.21ms. Allocated memory is still 155.2MB. Free memory was 70.8MB in the beginning and 52.8MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:05:56,925 INFO L158 Benchmark]: CodeCheck took 14.53ms. Allocated memory is still 155.2MB. Free memory was 52.8MB in the beginning and 51.9MB in the end (delta: 963.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:05:56,929 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 0.19ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.43ms. Allocated memory is still 155.2MB. Free memory was 94.0MB in the beginning and 74.5MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.18ms. Allocated memory is still 155.2MB. Free memory was 74.5MB in the beginning and 72.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.20ms. Allocated memory is still 155.2MB. Free memory was 72.5MB in the beginning and 70.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 450.21ms. Allocated memory is still 155.2MB. Free memory was 70.8MB in the beginning and 52.8MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 14.53ms. Allocated memory is still 155.2MB. Free memory was 52.8MB in the beginning and 51.9MB in the end (delta: 963.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:05:56,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/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 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_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 01:05:58,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:05:59,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:05:59,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:05:59,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:05:59,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:05:59,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:05:59,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:05:59,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:05:59,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:05:59,069 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:05:59,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:05:59,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:05:59,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:05:59,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:05:59,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:05:59,072 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:05:59,073 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:05:59,073 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:05:59,074 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:05:59,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:05:59,075 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:05:59,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:05:59,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:05:59,076 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:05:59,077 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:05:59,077 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:05:59,078 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:59,078 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:05:59,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:05:59,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:05:59,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:05:59,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:05:59,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:05:59,081 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:05:59,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:05:59,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:05:59,082 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:05:59,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:05:59,082 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_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74a086edb560572752b8cbc391425d974c2cbbd7d3553767e0707a5dc02a4897 [2023-12-03 01:05:59,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:05:59,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:05:59,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:05:59,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:05:59,392 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:05:59,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/fib_safe-5.i [2023-12-03 01:06:02,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:06:02,477 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:06:02,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/sv-benchmarks/c/pthread/fib_safe-5.i [2023-12-03 01:06:02,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data/2a5f188d2/14efdc5bc41548f5985ae10800285d8f/FLAG39a8704d5 [2023-12-03 01:06:02,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/data/2a5f188d2/14efdc5bc41548f5985ae10800285d8f [2023-12-03 01:06:02,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:06:02,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:06:02,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:06:02,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:06:02,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:06:02,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:02,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5226cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02, skipping insertion in model container [2023-12-03 01:06:02,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:02,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:06:02,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:06:02,861 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:06:02,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:06:02,933 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:06:02,933 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:06:02,939 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:06:02,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02 WrapperNode [2023-12-03 01:06:02,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:06:02,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:06:02,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:06:02,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:06:02,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:02,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:02,999 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-12-03 01:06:02,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:06:03,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:06:03,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:06:03,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:06:03,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:06:03,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:06:03,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:06:03,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:06:03,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:06:02" (1/1) ... [2023-12-03 01:06:03,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:06:03,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:06:03,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:06:03,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-03 01:06:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-03 01:06:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-03 01:06:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-03 01:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 01:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:06:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 01:06:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:06:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:06:03,126 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:06:03,279 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:06:03,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:06:03,510 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:06:03,543 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:06:03,543 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 01:06:03,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:06:03 BoogieIcfgContainer [2023-12-03 01:06:03,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:06:03,547 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:06:03,547 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:06:03,558 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:06:03,558 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:06:03" (1/1) ... [2023-12-03 01:06:03,559 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) [2023-12-03 01:06:03,564 INFO L158 Benchmark]: Toolchain (without parser) took 1051.99ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 51.2MB in the end (delta: 20.5MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-12-03 01:06:03,564 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:06:03,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.51ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 50.9MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:06:03,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.72ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 73.8MB in the end (delta: -23.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:06:03,566 INFO L158 Benchmark]: Boogie Preprocessor took 54.09ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:06:03,567 INFO L158 Benchmark]: RCFGBuilder took 490.83ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 52.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:06:03,568 INFO L158 Benchmark]: CodeCheck took 15.28ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 51.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:06:03,571 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 0.21ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.51ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 50.9MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.72ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 73.8MB in the end (delta: -23.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.09ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.83ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 52.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 15.28ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 51.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:06:03,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182fa483-c685-490c-91cc-107da5b0964f/bin/ukojak-verify-Qdu7aM0XO9/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