./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:30,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:30,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:02:30,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:30,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:30,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:30,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:30,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:30,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:30,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:30,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:30,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:30,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:30,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:30,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:30,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:30,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:30,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:30,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:30,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:30,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:30,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:30,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:30,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:30,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:30,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:30,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:30,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:30,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:30,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:30,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:30,355 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:30,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:30,356 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:30,356 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_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f [2023-11-12 00:02:30,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:30,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:30,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:30,746 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:30,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:30,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/dekker.i [2023-11-12 00:02:33,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:34,164 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:34,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/sv-benchmarks/c/pthread-atomic/dekker.i [2023-11-12 00:02:34,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data/4bc2bc3b0/21f2fca358534b5fa7eeffef069216a3/FLAG06263a74b [2023-11-12 00:02:34,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data/4bc2bc3b0/21f2fca358534b5fa7eeffef069216a3 [2023-11-12 00:02:34,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:34,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:34,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:34,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:34,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:34,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d28b34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34, skipping insertion in model container [2023-11-12 00:02:34,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:34,446 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:34,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:34,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:34,627 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:34,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:34,694 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:34,694 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:34,695 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:34,703 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:34,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34 WrapperNode [2023-11-12 00:02:34,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:34,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:34,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:34,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:34,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,751 INFO L138 Inliner]: procedures = 172, calls = 62, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2023-11-12 00:02:34,752 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:34,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:34,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:34,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:34,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:34,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:34,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:34,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:34,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:34" (1/1) ... [2023-11-12 00:02:34,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:34,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:34,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:34,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:02:34,951 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:02:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:02:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-12 00:02:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-12 00:02:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:02:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:02:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:02:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:02:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:02:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:34,958 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:02:35,123 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:35,125 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:35,350 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:35,368 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:35,368 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:02:35,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:35 BoogieIcfgContainer [2023-11-12 00:02:35,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:35,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:35,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:35,383 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:35,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:35" (1/1) ... [2023-11-12 00:02:35,385 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) [2023-11-12 00:02:35,390 INFO L158 Benchmark]: Toolchain (without parser) took 1182.89ms. Allocated memory is still 186.6MB. Free memory was 156.0MB in the beginning and 140.0MB in the end (delta: 16.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-12 00:02:35,390 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:35,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.08ms. Allocated memory is still 186.6MB. Free memory was 155.8MB in the beginning and 138.4MB in the end (delta: 17.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-12 00:02:35,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.49ms. Allocated memory is still 186.6MB. Free memory was 138.4MB in the beginning and 136.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:35,395 INFO L158 Benchmark]: Boogie Preprocessor took 76.84ms. Allocated memory is still 186.6MB. Free memory was 136.4MB in the beginning and 155.8MB in the end (delta: -19.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-12 00:02:35,396 INFO L158 Benchmark]: RCFGBuilder took 539.09ms. Allocated memory is still 186.6MB. Free memory was 155.8MB in the beginning and 141.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:02:35,397 INFO L158 Benchmark]: CodeCheck took 15.26ms. Allocated memory is still 186.6MB. Free memory was 141.2MB in the beginning and 140.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:35,406 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 0.67ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.08ms. Allocated memory is still 186.6MB. Free memory was 155.8MB in the beginning and 138.4MB in the end (delta: 17.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.49ms. Allocated memory is still 186.6MB. Free memory was 138.4MB in the beginning and 136.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.84ms. Allocated memory is still 186.6MB. Free memory was 136.4MB in the beginning and 155.8MB in the end (delta: -19.4MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * RCFGBuilder took 539.09ms. Allocated memory is still 186.6MB. Free memory was 155.8MB in the beginning and 141.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15.26ms. Allocated memory is still 186.6MB. Free memory was 141.2MB in the beginning and 140.0MB 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. [2023-11-12 00:02:35,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:38,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:38,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:02:38,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:38,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:38,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:38,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:38,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:38,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:38,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:38,349 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:02:38,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:02:38,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:38,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:38,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:38,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:38,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:02:38,354 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:02:38,354 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:38,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:02:38,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:38,356 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:02:38,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:38,357 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:38,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:38,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:38,359 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:02:38,359 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:02:38,360 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:02:38,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:38,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:38,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:38,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:38,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:38,363 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:02:38,364 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:02:38,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:38,365 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:02:38,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:02:38,366 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_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f [2023-11-12 00:02:38,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:38,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:38,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:38,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:38,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:38,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/dekker.i [2023-11-12 00:02:42,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:42,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:42,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/sv-benchmarks/c/pthread-atomic/dekker.i [2023-11-12 00:02:42,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data/e470cd826/cd826ad5b00e4e268b56ec5b993ff200/FLAGcdeb1847e [2023-11-12 00:02:42,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/data/e470cd826/cd826ad5b00e4e268b56ec5b993ff200 [2023-11-12 00:02:42,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:42,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:42,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:42,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:42,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:42,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:42" (1/1) ... [2023-11-12 00:02:42,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c65b7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:42, skipping insertion in model container [2023-11-12 00:02:42,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:42" (1/1) ... [2023-11-12 00:02:42,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:42,837 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:43,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:43,075 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:43,106 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:43,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:43,250 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:43,250 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:43,250 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:43,268 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:43,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43 WrapperNode [2023-11-12 00:02:43,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:43,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:43,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:43,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:43,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,329 INFO L138 Inliner]: procedures = 175, calls = 62, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2023-11-12 00:02:43,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:43,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:43,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:43,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:43,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:43,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:43,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:43,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:43,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:43,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:43,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:43,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:02:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:02:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:02:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-12 00:02:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-12 00:02:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:02:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:02:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:02:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:02:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:02:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:02:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:43,492 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:02:43,669 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:43,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:43,912 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:43,922 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:43,922 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:02:43,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:43 BoogieIcfgContainer [2023-11-12 00:02:43,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:43,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:43,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:43,940 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:43,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:43" (1/1) ... [2023-11-12 00:02:43,941 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) [2023-11-12 00:02:43,947 INFO L158 Benchmark]: Toolchain (without parser) took 1377.32ms. Allocated memory is still 81.8MB. Free memory was 56.1MB in the beginning and 36.5MB in the end (delta: 19.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,948 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 58.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:43,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.12ms. Allocated memory is still 81.8MB. Free memory was 55.8MB in the beginning and 56.6MB in the end (delta: -778.1kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.58ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:43,967 INFO L158 Benchmark]: Boogie Preprocessor took 47.50ms. Allocated memory is still 81.8MB. Free memory was 54.4MB in the beginning and 52.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,968 INFO L158 Benchmark]: RCFGBuilder took 547.13ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 37.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,969 INFO L158 Benchmark]: CodeCheck took 17.79ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 36.5MB in the end (delta: 818.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:43,973 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 1.19ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 58.1MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.12ms. Allocated memory is still 81.8MB. Free memory was 55.8MB in the beginning and 56.6MB in the end (delta: -778.1kB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.58ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.50ms. Allocated memory is still 81.8MB. Free memory was 54.4MB in the beginning and 52.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.13ms. Allocated memory is still 81.8MB. Free memory was 52.4MB in the beginning and 37.6MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.79ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 36.5MB in the end (delta: 818.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:02:44,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dae4b064-935d-40ac-a5fa-4d060d91974c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported