./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:20,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:21,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:01:21,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:21,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:21,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:21,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:21,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:21,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:21,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:21,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:21,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:21,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:21,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:21,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:21,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:21,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:21,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:21,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:21,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:21,114 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:21,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:21,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:21,116 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:21,117 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:21,117 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:21,118 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:21,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:21,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:21,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:21,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:21,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:21,121 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:21,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:21,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:21,122 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_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-19 04:01:21,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:21,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:21,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:21,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:21,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:21,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton.i [2023-11-19 04:01:24,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:25,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:25,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/sv-benchmarks/c/pthread/singleton.i [2023-11-19 04:01:25,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data/a44511564/40c7441e9ee8496989bde841d0631b00/FLAG5317766ef [2023-11-19 04:01:25,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data/a44511564/40c7441e9ee8496989bde841d0631b00 [2023-11-19 04:01:25,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:25,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:25,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:25,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:25,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:25,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5075622e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:25, skipping insertion in model container [2023-11-19 04:01:25,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:25" (1/1) ... [2023-11-19 04:01:25,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:25,888 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:26,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:26,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:26,421 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:26,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:26,567 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:26,567 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:26,568 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:26,577 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:26,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26 WrapperNode [2023-11-19 04:01:26,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:26,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:26,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:26,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:26,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,646 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2023-11-19 04:01:26,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:26,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:26,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:26,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:26,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:26,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:26,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:26,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:26,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:26" (1/1) ... [2023-11-19 04:01:26,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:26,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:26,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:26,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:01:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:26,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:01:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:01:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 04:01:26,816 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 04:01:26,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:01:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:01:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:01:26,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:01:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:01:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:01:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:01:26,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:26,824 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 04:01:27,047 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:27,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:27,332 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:27,361 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:27,361 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:01:27,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:27 BoogieIcfgContainer [2023-11-19 04:01:27,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:27,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:27,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:27,377 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:27,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:27" (1/1) ... [2023-11-19 04:01:27,379 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 04:01:27,386 INFO L158 Benchmark]: Toolchain (without parser) took 1857.58ms. Allocated memory is still 159.4MB. Free memory was 125.6MB in the beginning and 70.5MB in the end (delta: 55.1MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-19 04:01:27,389 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:27,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.83ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 92.0MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:01:27,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.43ms. Allocated memory is still 159.4MB. Free memory was 92.0MB in the beginning and 89.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:27,393 INFO L158 Benchmark]: Boogie Preprocessor took 44.50ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 87.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:27,394 INFO L158 Benchmark]: RCFGBuilder took 672.78ms. Allocated memory is still 159.4MB. Free memory was 87.9MB in the beginning and 72.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:01:27,396 INFO L158 Benchmark]: CodeCheck took 17.54ms. Allocated memory is still 159.4MB. Free memory was 72.0MB in the beginning and 70.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:27,405 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 0.28ms. Allocated memory is still 130.0MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.83ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 92.0MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.43ms. Allocated memory is still 159.4MB. Free memory was 92.0MB in the beginning and 89.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.50ms. Allocated memory is still 159.4MB. Free memory was 89.8MB in the beginning and 87.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.78ms. Allocated memory is still 159.4MB. Free memory was 87.9MB in the beginning and 72.0MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.54ms. Allocated memory is still 159.4MB. Free memory was 72.0MB in the beginning and 70.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:01:27,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:30,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:30,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:01:30,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:30,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:30,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:30,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:30,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:30,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:30,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:30,661 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:30,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:30,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:30,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:30,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:30,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:30,665 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:01:30,665 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:01:30,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:30,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:01:30,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:30,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:30,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:30,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:30,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:30,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:30,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:30,670 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:30,670 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:30,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:30,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:30,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:30,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:30,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:30,674 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:01:30,674 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:30,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:30,674 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:01:30,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:30,676 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_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-19 04:01:31,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:31,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:31,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:31,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:31,200 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:31,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/singleton.i [2023-11-19 04:01:34,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:35,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:35,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/sv-benchmarks/c/pthread/singleton.i [2023-11-19 04:01:35,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data/39ca7e7ed/11407d7fa5c34ab9ac7c48b8d2ddc0c5/FLAGfa89f88c5 [2023-11-19 04:01:35,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/data/39ca7e7ed/11407d7fa5c34ab9ac7c48b8d2ddc0c5 [2023-11-19 04:01:35,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:35,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:35,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:35,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:35,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:35,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:35" (1/1) ... [2023-11-19 04:01:35,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f7ccc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:35, skipping insertion in model container [2023-11-19 04:01:35,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:35" (1/1) ... [2023-11-19 04:01:35,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:35,698 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:36,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:36,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:36,123 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:36,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:36,256 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,256 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,257 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,265 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:36,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36 WrapperNode [2023-11-19 04:01:36,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:36,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:36,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:36,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:36,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,328 INFO L138 Inliner]: procedures = 328, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2023-11-19 04:01:36,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:36,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:36,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:36,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:36,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:36,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:36,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:36,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:36,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:36,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:36,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:36,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:36,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:01:36,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:01:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:01:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:01:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:01:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:01:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:01:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:01:36,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:01:36,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-19 04:01:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-19 04:01:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:01:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:01:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:01:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:01:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:01:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:01:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:01:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:36,485 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 04:01:36,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:36,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:37,058 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:37,080 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:37,081 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:01:37,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:37 BoogieIcfgContainer [2023-11-19 04:01:37,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:37,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:37,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:37,111 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:37,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:37" (1/1) ... [2023-11-19 04:01:37,112 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 04:01:37,118 INFO L158 Benchmark]: Toolchain (without parser) took 1760.81ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 57.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-19 04:01:37,118 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:37,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.26ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 56.5MB in the end (delta: 13.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-19 04:01:37,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.62ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 53.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:37,121 INFO L158 Benchmark]: Boogie Preprocessor took 57.51ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:01:37,122 INFO L158 Benchmark]: RCFGBuilder took 684.27ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 58.8MB in the end (delta: -6.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-19 04:01:37,122 INFO L158 Benchmark]: CodeCheck took 28.56ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 57.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:37,127 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 0.29ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.26ms. Allocated memory is still 96.5MB. Free memory was 70.1MB in the beginning and 56.5MB in the end (delta: 13.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.62ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 53.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.51ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 684.27ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 58.8MB in the end (delta: -6.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * CodeCheck took 28.56ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 57.8MB 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 04:01:37,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cb6f0b-a7c0-4f72-a27a-7bc53fe9c5ef/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported