./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba97c44431e27256d062ccf668a9dc4f57d7e92b05fdac6228d08e7c5a2d8a0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:09,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:09,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:09,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:09,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:09,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:09,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:09,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:09,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:09,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:09,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:09,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:09,744 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:09,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:09,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:09,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:09,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:09,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:09,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:09,748 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:09,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:09,749 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:09,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:09,750 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:09,751 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:09,751 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:09,752 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:09,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:09,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:09,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:09,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:09,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:09,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:09,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:09,755 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:09,755 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_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba97c44431e27256d062ccf668a9dc4f57d7e92b05fdac6228d08e7c5a2d8a0c [2023-11-21 18:47:10,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:10,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:10,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:10,040 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:10,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:10,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i [2023-11-21 18:47:13,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:13,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:13,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/sv-benchmarks/c/pthread-ext/25_stack_longer-1.i [2023-11-21 18:47:13,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data/237a824c5/288faee30d674bc2b21968174ee893f2/FLAG459cdd423 [2023-11-21 18:47:13,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data/237a824c5/288faee30d674bc2b21968174ee893f2 [2023-11-21 18:47:13,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:13,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:13,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:13,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:13,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:13,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:13" (1/1) ... [2023-11-21 18:47:13,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf6eaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:13, skipping insertion in model container [2023-11-21 18:47:13,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:13" (1/1) ... [2023-11-21 18:47:13,605 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:14,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:14,080 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:14,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:14,211 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:14,211 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:14,219 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:14,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14 WrapperNode [2023-11-21 18:47:14,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:14,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:14,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:14,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:14,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,306 INFO L138 Inliner]: procedures = 179, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-21 18:47:14,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:14,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:14,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:14,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:14,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:14,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:14,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:14,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:14,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:14" (1/1) ... [2023-11-21 18:47:14,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:14,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:14,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:14,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:47:14,456 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:47:14,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:47:14,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:47:14,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:47:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:47:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:47:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:47:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-21 18:47:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-21 18:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:47:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:47:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:14,465 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:47:14,651 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:14,654 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:15,026 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:15,161 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:47:15,166 INFO L158 Benchmark]: Toolchain (without parser) took 1625.78ms. Allocated memory is still 199.2MB. Free memory was 152.7MB in the beginning and 166.0MB in the end (delta: -13.2MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-11-21 18:47:15,166 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:15,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.19ms. Allocated memory is still 199.2MB. Free memory was 152.7MB in the beginning and 131.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:47:15,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.01ms. Allocated memory is still 199.2MB. Free memory was 131.8MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:15,169 INFO L158 Benchmark]: Boogie Preprocessor took 59.59ms. Allocated memory is still 199.2MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:15,170 INFO L158 Benchmark]: RCFGBuilder took 796.82ms. Allocated memory is still 199.2MB. Free memory was 127.7MB in the beginning and 166.0MB in the end (delta: -38.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-11-21 18:47:15,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.19ms. Allocated memory is still 199.2MB. Free memory was 152.7MB in the beginning and 131.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.01ms. Allocated memory is still 199.2MB. Free memory was 131.8MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.59ms. Allocated memory is still 199.2MB. Free memory was 129.8MB in the beginning and 127.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.82ms. Allocated memory is still 199.2MB. Free memory was 127.7MB in the beginning and 166.0MB in the end (delta: -38.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:47:15,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba97c44431e27256d062ccf668a9dc4f57d7e92b05fdac6228d08e7c5a2d8a0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:17,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:17,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:47:17,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:17,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:17,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:17,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:17,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:17,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:17,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:17,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:17,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:17,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:17,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:17,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:17,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:17,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:47:17,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:47:17,937 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:17,938 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:47:17,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:17,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:17,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:17,940 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:17,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:17,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:17,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:17,942 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:17,943 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:47:17,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:17,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:17,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:17,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:17,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:17,946 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:47:17,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:17,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:17,947 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:47:17,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:47:17,948 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_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba97c44431e27256d062ccf668a9dc4f57d7e92b05fdac6228d08e7c5a2d8a0c [2023-11-21 18:47:18,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:18,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:18,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:18,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:18,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:18,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i [2023-11-21 18:47:21,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:22,008 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:22,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/sv-benchmarks/c/pthread-ext/25_stack_longer-1.i [2023-11-21 18:47:22,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data/f5364ab2e/56073aa9caf6411d9da69138813b88c3/FLAG9c6daa070 [2023-11-21 18:47:22,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/data/f5364ab2e/56073aa9caf6411d9da69138813b88c3 [2023-11-21 18:47:22,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:22,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:22,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:22,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:22,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:22,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413189da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22, skipping insertion in model container [2023-11-21 18:47:22,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,139 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:22,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:22,674 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:22,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:22,842 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:22,842 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:22,851 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:22,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22 WrapperNode [2023-11-21 18:47:22,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:22,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:22,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:22,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:22,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,919 INFO L138 Inliner]: procedures = 183, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-11-21 18:47:22,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:22,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:22,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:22,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:22,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:22,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:22,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:22,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:22,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:22" (1/1) ... [2023-11-21 18:47:22,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:22,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:23,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:23,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:47:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:47:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:47:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:47:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:47:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:47:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:47:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:47:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:47:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:47:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:47:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:47:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:47:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-21 18:47:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-21 18:47:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:47:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:47:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:47:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:23,068 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:47:23,225 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:23,229 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:23,561 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:23,679 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:47:23,686 INFO L158 Benchmark]: Toolchain (without parser) took 1625.87ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 46.2MB in the beginning and 30.6MB in the end (delta: 15.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:23,686 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:23,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.83ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 61.0MB in the end (delta: -15.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-21 18:47:23,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.57ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 58.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:23,690 INFO L158 Benchmark]: Boogie Preprocessor took 43.77ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:23,691 INFO L158 Benchmark]: RCFGBuilder took 719.23ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 30.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:47:23,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.83ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 61.0MB in the end (delta: -15.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.57ms. Allocated memory is still 90.2MB. Free memory was 61.0MB in the beginning and 58.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.77ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 56.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 719.23ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 30.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:47:23,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c12e1618-0b5e-4b82-a825-9418fdb2e04c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?