./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:20,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:20,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:30:20,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:30:20,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:30:20,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:20,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:20,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:20,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:20,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:20,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:20,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:20,133 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:20,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:30:20,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:20,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:20,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:20,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:20,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:20,138 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:20,138 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:20,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:20,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:20,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:20,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:20,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:20,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:20,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:20,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:20,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:20,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:20,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:20,146 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:30:20,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:30:20,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:20,147 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_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-19 03:30:20,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:20,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:20,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:20,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:20,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:20,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 03:30:23,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:24,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:24,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 03:30:24,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data/e12133f1d/d0398cdc68134068921201c82e85fb16/FLAG9c0de109c [2023-11-19 03:30:24,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data/e12133f1d/d0398cdc68134068921201c82e85fb16 [2023-11-19 03:30:24,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:24,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:24,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:24,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:24,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:24,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7119fe53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24, skipping insertion in model container [2023-11-19 03:30:24,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,267 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:24,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:24,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:24,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:24,827 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:24,827 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:24,836 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:24,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24 WrapperNode [2023-11-19 03:30:24,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:24,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:24,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:24,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:24,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,895 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 03:30:24,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:24,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:24,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:24,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:24,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:24,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:24,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:24,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:24,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:24" (1/1) ... [2023-11-19 03:30:24,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:24,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:24,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:25,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:30:25,029 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:30:25,030 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:30:25,030 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:30:25,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:30:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:30:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:25,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:30:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:30:25,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:25,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:25,035 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:30:25,228 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:25,230 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:25,505 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:25,545 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:25,545 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:30:25,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:25 BoogieIcfgContainer [2023-11-19 03:30:25,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:25,551 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:25,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:25,562 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:25,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:25" (1/1) ... [2023-11-19 03:30:25,564 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) [2023-11-19 03:30:25,568 INFO L158 Benchmark]: Toolchain (without parser) took 1371.37ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 111.1MB in the end (delta: -3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:25,569 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:25,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.99ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 87.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.93ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 85.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,571 INFO L158 Benchmark]: Boogie Preprocessor took 37.27ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 84.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,572 INFO L158 Benchmark]: RCFGBuilder took 616.17ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 112.1MB in the end (delta: -28.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-19 03:30:25,573 INFO L158 Benchmark]: CodeCheck took 15.39ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 111.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:25,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.99ms. Allocated memory is still 151.0MB. Free memory was 107.2MB in the beginning and 87.9MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.93ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 85.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.27ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 84.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.17ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 112.1MB in the end (delta: -28.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * CodeCheck took 15.39ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 111.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:30:25,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:30:28,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:30:28,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:30:28,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:30:28,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:30:28,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:30:28,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:30:28,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:30:28,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:30:28,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:30:28,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:30:28,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:30:28,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:30:28,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:30:28,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:30:28,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:30:28,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:30:28,412 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:30:28,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:30:28,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:30:28,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:30:28,415 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:30:28,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:30:28,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:30:28,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:30:28,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:30:28,419 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:30:28,419 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:28,420 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:30:28,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:30:28,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:28,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:30:28,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:30:28,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:30:28,424 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:30:28,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:28,425 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:30:28,425 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:30:28,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:30:28,426 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_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-19 03:30:28,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:30:28,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:30:28,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:30:28,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:30:28,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:30:28,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 03:30:32,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:30:32,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:30:32,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-19 03:30:32,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data/d4d202b79/8324e5d65b094abd97aaa055b353f26b/FLAG6d6966a99 [2023-11-19 03:30:32,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/data/d4d202b79/8324e5d65b094abd97aaa055b353f26b [2023-11-19 03:30:32,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:30:32,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:30:32,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:32,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:30:32,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:30:32,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:32" (1/1) ... [2023-11-19 03:30:32,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7680134b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:32, skipping insertion in model container [2023-11-19 03:30:32,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:30:32" (1/1) ... [2023-11-19 03:30:32,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:30:33,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:33,402 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:30:33,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:30:33,530 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:33,530 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:30:33,539 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:30:33,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33 WrapperNode [2023-11-19 03:30:33,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:30:33,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:33,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:30:33,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:30:33,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,599 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-19 03:30:33,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:30:33,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:30:33,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:30:33,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:30:33,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:30:33,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:30:33,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:30:33,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:30:33,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:30:33" (1/1) ... [2023-11-19 03:30:33,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:30:33,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:30:33,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:30:33,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:30:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:30:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:30:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:30:33,735 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:30:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:30:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:30:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:30:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:30:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:30:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:30:33,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:30:33,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:30:33,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:30:33,739 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:30:33,922 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:30:33,924 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:34,289 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:34,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:34,337 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:30:34,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:34 BoogieIcfgContainer [2023-11-19 03:30:34,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:34,343 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:34,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:34,355 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:34,355 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:34" (1/1) ... [2023-11-19 03:30:34,357 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) [2023-11-19 03:30:34,362 INFO L158 Benchmark]: Toolchain (without parser) took 1693.56ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 44.4MB in the beginning and 76.1MB in the end (delta: -31.7MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-19 03:30:34,365 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:34,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.95ms. Allocated memory is still 73.4MB. Free memory was 44.2MB in the beginning and 42.7MB in the end (delta: 1.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-19 03:30:34,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.37ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 40.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:34,369 INFO L158 Benchmark]: Boogie Preprocessor took 51.86ms. Allocated memory is still 73.4MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:30:34,370 INFO L158 Benchmark]: RCFGBuilder took 689.41ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 38.4MB in the beginning and 77.1MB in the end (delta: -38.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 03:30:34,372 INFO L158 Benchmark]: CodeCheck took 16.05ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:30:34,376 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 0.37ms. Allocated memory is still 73.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.95ms. Allocated memory is still 73.4MB. Free memory was 44.2MB in the beginning and 42.7MB in the end (delta: 1.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.37ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 40.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.86ms. Allocated memory is still 73.4MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.41ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 38.4MB in the beginning and 77.1MB in the end (delta: -38.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * CodeCheck took 16.05ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 76.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:30:34,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d491c4ae-69a2-41ce-a829-c696fa553c32/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported