./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:23,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:23,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:57:23,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:23,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:23,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:23,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:23,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:23,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:23,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:23,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:23,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:23,237 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:23,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:23,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:23,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:23,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:23,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:23,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:23,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:23,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:23,243 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:23,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:23,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:23,246 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:23,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:23,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:23,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:23,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:23,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:23,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:23,251 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:23,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:23,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:23,252 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_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2023-11-11 23:57:23,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:23,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:23,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:23,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:23,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:23,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-11 23:57:26,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:26,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:26,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-11 23:57:27,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data/8687ca1ea/40997957742344c88e90be3c39e4f206/FLAG2f17a224d [2023-11-11 23:57:27,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data/8687ca1ea/40997957742344c88e90be3c39e4f206 [2023-11-11 23:57:27,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:27,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:27,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:27,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:27,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:27,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8b1912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27, skipping insertion in model container [2023-11-11 23:57:27,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:27,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:27,592 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:27,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:27,719 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:27,719 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:27,728 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:27,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27 WrapperNode [2023-11-11 23:57:27,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:27,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:27,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:27,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:27,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,817 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:57:27,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:27,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:27,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:27,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:27,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:27,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:27,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:27,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:27,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:27" (1/1) ... [2023-11-11 23:57:27,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:27,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:27,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:27,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:57:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:57:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:57:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:57:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:57:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:57:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:27,971 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:57:28,171 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:28,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:28,378 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:28,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:28,417 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:57:28,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:28 BoogieIcfgContainer [2023-11-11 23:57:28,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:28,424 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:28,424 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:28,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:28,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:28" (1/1) ... [2023-11-11 23:57:28,437 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:57:28,441 INFO L158 Benchmark]: Toolchain (without parser) took 1400.66ms. Allocated memory is still 174.1MB. Free memory was 141.7MB in the beginning and 100.8MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,441 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 85.2MB in the end (delta: 88.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:28,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.73ms. Allocated memory is still 174.1MB. Free memory was 141.4MB in the beginning and 121.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.57ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 119.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,444 INFO L158 Benchmark]: Boogie Preprocessor took 55.96ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,444 INFO L158 Benchmark]: RCFGBuilder took 548.16ms. Allocated memory is still 174.1MB. Free memory was 118.2MB in the beginning and 101.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:57:28,445 INFO L158 Benchmark]: CodeCheck took 15.58ms. Allocated memory is still 174.1MB. Free memory was 101.7MB in the beginning and 100.8MB in the end (delta: 874.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:28,448 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 0.68ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 85.2MB in the end (delta: 88.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.73ms. Allocated memory is still 174.1MB. Free memory was 141.4MB in the beginning and 121.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.57ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 119.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.96ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.16ms. Allocated memory is still 174.1MB. Free memory was 118.2MB in the beginning and 101.7MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.58ms. Allocated memory is still 174.1MB. Free memory was 101.7MB in the beginning and 100.8MB in the end (delta: 874.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:57:28,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:31,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:31,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:57:31,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:31,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:31,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:31,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:31,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:31,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:31,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:31,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:31,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:31,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:31,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:31,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:31,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:31,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:57:31,413 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:57:31,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:31,415 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:57:31,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:31,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:31,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:31,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:31,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:31,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:31,419 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:57:31,419 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:31,420 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:31,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:31,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:31,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:31,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:31,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:31,428 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:57:31,428 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:31,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:31,429 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:57:31,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:31,430 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_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b16c68af06359cf155927d2335a825cd179e6a83a999e1ead7a6952268e92c6 [2023-11-11 23:57:31,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:31,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:31,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:31,955 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:31,956 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:31,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-11 23:57:35,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:35,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:35,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/sv-benchmarks/c/pthread/fib_unsafe-11.i [2023-11-11 23:57:35,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data/e6b6bd40e/b4bc6d3af9fa4c76800bb38f082eaa41/FLAG4d367a04e [2023-11-11 23:57:35,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/data/e6b6bd40e/b4bc6d3af9fa4c76800bb38f082eaa41 [2023-11-11 23:57:35,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:35,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:35,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:35,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:35,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:35,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:35" (1/1) ... [2023-11-11 23:57:35,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8a26a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:35, skipping insertion in model container [2023-11-11 23:57:35,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:35" (1/1) ... [2023-11-11 23:57:35,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:36,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:36,084 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:36,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:36,215 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:36,215 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:57:36,224 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:36,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36 WrapperNode [2023-11-11 23:57:36,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:36,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:36,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:36,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:36,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,310 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:57:36,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:36,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:36,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:36,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:36,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:36,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:36,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:36,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:36,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:36,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:36,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:36,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:36,472 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:57:36,473 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:57:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:57:36,473 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:57:36,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:57:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:57:36,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:57:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:57:36,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:36,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:36,477 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:57:36,626 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:36,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:36,901 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:36,930 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:36,930 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:57:36,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:36 BoogieIcfgContainer [2023-11-11 23:57:36,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:36,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:36,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:36,957 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:36,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:36" (1/1) ... [2023-11-11 23:57:36,959 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:57:36,967 INFO L158 Benchmark]: Toolchain (without parser) took 1465.73ms. Allocated memory is still 69.2MB. Free memory was 43.6MB in the beginning and 30.6MB in the end (delta: 12.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-11 23:57:36,967 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:36,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.38ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 38.1MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:36,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.03ms. Allocated memory is still 69.2MB. Free memory was 37.9MB in the beginning and 35.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:36,971 INFO L158 Benchmark]: Boogie Preprocessor took 62.38ms. Allocated memory is still 69.2MB. Free memory was 35.8MB in the beginning and 33.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:36,972 INFO L158 Benchmark]: RCFGBuilder took 561.18ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 31.6MB in the end (delta: 2.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:36,973 INFO L158 Benchmark]: CodeCheck took 27.09ms. Allocated memory is still 69.2MB. Free memory was 31.6MB in the beginning and 30.6MB in the end (delta: 966.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:36,978 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 56.6MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.38ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 38.1MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.03ms. Allocated memory is still 69.2MB. Free memory was 37.9MB in the beginning and 35.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.38ms. Allocated memory is still 69.2MB. Free memory was 35.8MB in the beginning and 33.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.18ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 31.6MB in the end (delta: 2.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * CodeCheck took 27.09ms. Allocated memory is still 69.2MB. Free memory was 31.6MB in the beginning and 30.6MB in the end (delta: 966.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:57:37,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bc356a4-1100-403c-a19c-3bd09d300d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported