./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/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_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/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_876b3a8b-084a-47e5-a1a4-162e91e04247/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 f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:17,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:17,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:17,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:17,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:17,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:17,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:17,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:17,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:17,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:17,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:17,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:17,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:17,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:17,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:17,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:17,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:17,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:17,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:17,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:17,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:17,694 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:17,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:17,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:17,696 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:17,696 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:17,697 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:17,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:17,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:17,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:17,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:17,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:17,701 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:17,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:17,702 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:17,702 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_876b3a8b-084a-47e5-a1a4-162e91e04247/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e [2023-11-21 18:43:18,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:18,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:18,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:18,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:18,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:18,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-21 18:43:21,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:22,198 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:22,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-21 18:43:22,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data/454115be5/a86ff68c530a46b59676d655264aa451/FLAGdc99e3601 [2023-11-21 18:43:22,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data/454115be5/a86ff68c530a46b59676d655264aa451 [2023-11-21 18:43:22,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:22,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:22,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:22,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:22,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:22,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:22" (1/1) ... [2023-11-21 18:43:22,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32095905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:22, skipping insertion in model container [2023-11-21 18:43:22,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:22" (1/1) ... [2023-11-21 18:43:22,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:22,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:23,014 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:23,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:23,138 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:23,139 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:23,145 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:23,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23 WrapperNode [2023-11-21 18:43:23,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:23,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:23,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:23,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:23,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,203 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 162 [2023-11-21 18:43:23,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:23,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:23,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:23,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:23,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:23,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:23,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:23,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:23,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:23" (1/1) ... [2023-11-21 18:43:23,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:23,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:23,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:43:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:43:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:43:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:43:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:43:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:43:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:23,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:43:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:43:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:43:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:23,364 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 18:43:23,625 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:23,627 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:23,955 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:24,158 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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:355) 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 18:43:24,167 INFO L158 Benchmark]: Toolchain (without parser) took 1887.87ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 107.2MB in the end (delta: 13.4MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-21 18:43:24,168 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:24,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.24ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 99.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:43:24,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.88ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 97.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:24,172 INFO L158 Benchmark]: Boogie Preprocessor took 44.20ms. Allocated memory is still 161.5MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:24,173 INFO L158 Benchmark]: RCFGBuilder took 915.50ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 107.2MB in the end (delta: -11.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-21 18:43:24,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 72.0MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.24ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 99.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.88ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 97.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.20ms. Allocated memory is still 161.5MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 915.50ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 107.2MB in the end (delta: -11.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:43:24,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/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_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/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_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/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_876b3a8b-084a-47e5-a1a4-162e91e04247/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 f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:27,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:27,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:43:27,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:27,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:27,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:27,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:27,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:27,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:27,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:27,311 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:27,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:27,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:27,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:27,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:27,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:27,315 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:43:27,315 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:43:27,316 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:27,316 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:43:27,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:27,319 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:27,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:27,320 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:27,321 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:27,321 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:27,322 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:27,322 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:43:27,326 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:43:27,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:27,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:27,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:27,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:27,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:27,329 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:43:27,329 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:43:27,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:27,330 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:43:27,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:43:27,331 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_876b3a8b-084a-47e5-a1a4-162e91e04247/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6a420ba5144c69cefe02db203552770c4018653c510d9792e57ffedc3dfc64e [2023-11-21 18:43:27,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:27,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:27,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:27,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:27,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:27,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-21 18:43:31,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:31,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:31,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-21 18:43:31,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data/2b2fe6cb1/e1d85e3b0105492690722273adf6e358/FLAGa4c8619ae [2023-11-21 18:43:31,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/data/2b2fe6cb1/e1d85e3b0105492690722273adf6e358 [2023-11-21 18:43:32,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:32,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:32,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:32,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:32,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:32,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:32,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c73ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32, skipping insertion in model container [2023-11-21 18:43:32,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:32,090 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:32,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:32,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:32,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:32,986 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:32,986 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:32,996 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:32,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32 WrapperNode [2023-11-21 18:43:32,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:32,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:32,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:33,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:33,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,109 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 159 [2023-11-21 18:43:33,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:33,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:33,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:33,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:33,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:33,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:33,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:33,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:33,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:32" (1/1) ... [2023-11-21 18:43:33,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:33,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:33,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:33,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:33,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:43:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:43:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:43:33,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:43:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:43:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:43:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:43:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:43:33,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:43:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:43:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:43:33,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:43:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:33,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:33,325 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 18:43:33,581 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:33,584 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:34,171 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:34,359 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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:355) 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 18:43:34,368 INFO L158 Benchmark]: Toolchain (without parser) took 2362.19ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 52.2MB in the beginning and 74.2MB in the end (delta: -22.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-21 18:43:34,369 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:34,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.32ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 51.4MB in the end (delta: 532.8kB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-21 18:43:34,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.87ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:34,373 INFO L158 Benchmark]: Boogie Preprocessor took 98.54ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 46.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:34,375 INFO L158 Benchmark]: RCFGBuilder took 1154.01ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 46.5MB in the beginning and 74.2MB in the end (delta: -27.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-21 18:43:34,387 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 77.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.32ms. Allocated memory is still 79.7MB. Free memory was 51.9MB in the beginning and 51.4MB in the end (delta: 532.8kB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.87ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.54ms. Allocated memory is still 79.7MB. Free memory was 49.0MB in the beginning and 46.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1154.01ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 46.5MB in the beginning and 74.2MB in the end (delta: -27.7MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:43:34,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_876b3a8b-084a-47e5-a1a4-162e91e04247/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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?