./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2 --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:32:50,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:50,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:50,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:50,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:50,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:50,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:50,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:50,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:50,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:50,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:50,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:50,458 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:50,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:50,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:50,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:50,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:50,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:50,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:50,464 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:50,465 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:50,466 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:50,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:50,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:50,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:50,469 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:50,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:50,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:50,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:50,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:50,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:50,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:50,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:50,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:50,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:50,477 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_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-21 18:32:50,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:50,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:50,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:50,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:50,865 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:50,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/singleton.i [2023-11-21 18:32:54,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:55,187 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:55,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/sv-benchmarks/c/pthread/singleton.i [2023-11-21 18:32:55,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data/23bad99e9/a7fc62e4044746cc8fd81c90ed4bbd03/FLAG1266774fd [2023-11-21 18:32:55,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data/23bad99e9/a7fc62e4044746cc8fd81c90ed4bbd03 [2023-11-21 18:32:55,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:55,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:55,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:55,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:55,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:55,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:55" (1/1) ... [2023-11-21 18:32:55,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@301bf1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:55, skipping insertion in model container [2023-11-21 18:32:55,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:55" (1/1) ... [2023-11-21 18:32:55,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:55,558 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:32:56,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:56,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:56,132 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:32:56,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:56,278 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:56,279 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:56,279 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:32:56,290 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:56,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56 WrapperNode [2023-11-21 18:32:56,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:56,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:56,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:56,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:56,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,367 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2023-11-21 18:32:56,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:56,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:56,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:56,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:56,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:56,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:56,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:56,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:56,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:56" (1/1) ... [2023-11-21 18:32:56,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:56,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:56,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:32:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:32:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:32:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:32:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:32:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-21 18:32:56,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-21 18:32:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:32:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:32:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:32:56,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:32:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:32:56,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:32:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:32:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:32:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:56,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:56,558 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:32:56,888 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:56,891 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:57,210 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:57,244 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:32:57,247 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:32:57,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:57 BoogieIcfgContainer [2023-11-21 18:32:57,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:32:57,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:32:57,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:32:57,265 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:32:57,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:57" (1/1) ... [2023-11-21 18:32:57,268 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) [2023-11-21 18:32:57,274 INFO L158 Benchmark]: Toolchain (without parser) took 2020.61ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 108.7MB in the beginning and 142.6MB in the end (delta: -33.9MB). Peak memory consumption was 587.5kB. Max. memory is 16.1GB. [2023-11-21 18:32:57,275 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 13.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:32:57,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.52ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 75.2MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:32:57,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.75ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:32:57,279 INFO L158 Benchmark]: Boogie Preprocessor took 45.88ms. Allocated memory is still 153.1MB. Free memory was 72.6MB in the beginning and 71.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:32:57,281 INFO L158 Benchmark]: RCFGBuilder took 835.47ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 71.0MB in the beginning and 143.8MB in the end (delta: -72.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-21 18:32:57,282 INFO L158 Benchmark]: CodeCheck took 19.57ms. Allocated memory is still 184.5MB. Free memory was 143.8MB in the beginning and 142.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:32:57,294 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 153.1MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 13.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.52ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 75.2MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.75ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.88ms. Allocated memory is still 153.1MB. Free memory was 72.6MB in the beginning and 71.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 835.47ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 71.0MB in the beginning and 143.8MB in the end (delta: -72.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * CodeCheck took 19.57ms. Allocated memory is still 184.5MB. Free memory was 143.8MB in the beginning and 142.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:32:57,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/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_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2 --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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:00,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:00,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:33:00,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:00,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:00,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:00,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:00,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:00,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:00,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:00,875 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:00,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:00,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:00,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:00,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:00,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:00,880 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:33:00,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:33:00,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:00,882 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:33:00,882 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:00,883 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:00,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:00,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:00,885 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:00,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:00,886 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:00,886 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:00,887 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:00,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:00,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:00,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:00,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:00,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:00,891 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:33:00,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:00,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:00,892 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:33:00,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:00,893 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_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-21 18:33:01,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:01,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:01,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:01,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:01,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:01,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/singleton.i [2023-11-21 18:33:05,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:05,752 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:05,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/sv-benchmarks/c/pthread/singleton.i [2023-11-21 18:33:05,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data/37980bce9/215aecd64f5e4172af7f41ac81156db4/FLAG96d11b6ae [2023-11-21 18:33:05,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/data/37980bce9/215aecd64f5e4172af7f41ac81156db4 [2023-11-21 18:33:05,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:05,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:05,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:05,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:05,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:05,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:05" (1/1) ... [2023-11-21 18:33:05,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38210496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:05, skipping insertion in model container [2023-11-21 18:33:05,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:05" (1/1) ... [2023-11-21 18:33:05,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:06,248 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:33:06,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:06,863 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:06,894 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:33:06,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:07,060 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:07,060 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:07,060 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:07,070 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:07,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07 WrapperNode [2023-11-21 18:33:07,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:07,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:07,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:07,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:07,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,164 INFO L138 Inliner]: procedures = 328, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-21 18:33:07,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:07,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:07,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:07,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:07,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:07,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:07,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:07,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:07,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:07,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:07,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-21 18:33:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:33:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:33:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:33:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-21 18:33:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:33:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:33:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:33:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:33:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-21 18:33:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-21 18:33:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:33:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:33:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:33:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:33:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:33:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:33:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:33:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:07,365 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:33:07,561 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:07,564 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:07,850 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:07,869 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:07,870 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:33:07,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:07 BoogieIcfgContainer [2023-11-21 18:33:07,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:07,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:07,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:07,883 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:07,883 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:07" (1/1) ... [2023-11-21 18:33:07,884 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) [2023-11-21 18:33:07,889 INFO L158 Benchmark]: Toolchain (without parser) took 2078.62ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.2MB in the beginning and 47.6MB in the end (delta: 1.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-21 18:33:07,890 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 50.5MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:07,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1257.21ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 48.9MB in the beginning and 47.8MB in the end (delta: 1.1MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:07,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.28ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 68.6MB in the end (delta: -20.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-11-21 18:33:07,892 INFO L158 Benchmark]: Boogie Preprocessor took 90.32ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:07,893 INFO L158 Benchmark]: RCFGBuilder took 609.36ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 48.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:33:07,894 INFO L158 Benchmark]: CodeCheck took 14.90ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 910.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:07,898 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 75.5MB. Free memory was 50.6MB in the beginning and 50.5MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1257.21ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 48.9MB in the beginning and 47.8MB in the end (delta: 1.1MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.28ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 68.6MB in the end (delta: -20.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.32ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 66.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.36ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 48.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.90ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 910.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:33:07,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da29254-4315-46a1-a220-50c65bba53fe/bin/ukojak-verify-i0I2FZA1j2/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