./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.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_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/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_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/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_7314ec4d-794b-4687-8af3-1152382af1e7/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 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:27,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:27,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:54:27,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:27,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:27,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:27,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:27,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:27,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:27,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:27,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:27,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:27,183 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:27,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:27,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:27,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:27,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:27,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:27,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:27,187 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:27,188 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:27,191 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:27,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:27,193 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:27,194 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:27,195 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:27,195 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:27,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:27,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:27,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:27,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:27,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:27,199 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:27,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:27,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:27,209 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_7314ec4d-794b-4687-8af3-1152382af1e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c [2023-11-21 18:54:27,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:27,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:27,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:27,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:27,546 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:27,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-21 18:54:30,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:31,009 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:31,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-21 18:54:31,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data/70ab9a7cf/199d056907f14ce084836c004dd62a50/FLAG8c199c3a4 [2023-11-21 18:54:31,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data/70ab9a7cf/199d056907f14ce084836c004dd62a50 [2023-11-21 18:54:31,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:31,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:31,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:31,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:31,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:31,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3cf401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31, skipping insertion in model container [2023-11-21 18:54:31,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:31,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:31,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:31,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:31,633 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:31,634 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:31,642 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:31,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31 WrapperNode [2023-11-21 18:54:31,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:31,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:31,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:31,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:31,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,729 INFO L138 Inliner]: procedures = 178, calls = 41, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 133 [2023-11-21 18:54:31,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:31,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:31,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:31,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:31,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:31,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:31,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:31,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:31,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:31" (1/1) ... [2023-11-21 18:54:31,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:31,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:31,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:31,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:54:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:54:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:54:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:54:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:54:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:54:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:54:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:54:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:54:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:54:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:54:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:54:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:31,894 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 18:54:32,109 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:32,112 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:32,376 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:32,463 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 18:54:32,468 INFO L158 Benchmark]: Toolchain (without parser) took 1399.20ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 101.6MB in the end (delta: 18.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,469 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:32,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.36ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 99.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.16ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 96.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,471 INFO L158 Benchmark]: Boogie Preprocessor took 60.51ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 95.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:32,472 INFO L158 Benchmark]: RCFGBuilder took 674.63ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 101.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:54:32,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.36ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 99.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.16ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 96.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.51ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 95.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.63ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 101.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. 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 18:54:32,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/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_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/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_7314ec4d-794b-4687-8af3-1152382af1e7/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 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:35,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:35,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:54:35,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:35,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:35,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:35,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:35,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:35,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:35,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:35,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:35,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:35,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:35,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:35,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:35,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:35,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:54:35,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:54:35,388 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:35,388 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:54:35,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:35,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:35,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:35,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:35,391 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:35,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:35,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:35,393 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:35,393 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:35,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:35,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:35,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:35,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:35,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:35,397 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:54:35,397 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:35,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:35,398 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:54:35,398 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:35,399 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_7314ec4d-794b-4687-8af3-1152382af1e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111430583c5cad5728291a83d9964586feec908088fcc502d1f1ab24d409725c [2023-11-21 18:54:35,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:35,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:35,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:35,913 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:35,914 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:35,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-21 18:54:39,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:39,608 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:39,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2023-11-21 18:54:39,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data/ec206be65/98dd28e5966e4cf9bdbb7b998142a843/FLAG84100cbcc [2023-11-21 18:54:39,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/data/ec206be65/98dd28e5966e4cf9bdbb7b998142a843 [2023-11-21 18:54:39,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:39,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:39,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:39,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:39,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:39,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:39" (1/1) ... [2023-11-21 18:54:39,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb6ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:39, skipping insertion in model container [2023-11-21 18:54:39,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:39" (1/1) ... [2023-11-21 18:54:39,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:40,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:40,229 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:40,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:40,320 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:40,320 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:40,329 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:40,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40 WrapperNode [2023-11-21 18:54:40,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:40,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:40,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:40,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:40,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,385 INFO L138 Inliner]: procedures = 182, calls = 41, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 131 [2023-11-21 18:54:40,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:40,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:40,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:40,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:40,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:40,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:40,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:40,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:40,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:40" (1/1) ... [2023-11-21 18:54:40,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:40,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:40,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:40,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:54:40,573 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:54:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:54:40,573 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:54:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:54:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:54:40,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:54:40,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:54:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:54:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:54:40,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:54:40,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:54:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:54:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:54:40,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:40,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:40,580 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 18:54:40,792 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:40,795 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:41,142 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:41,270 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 18:54:41,281 INFO L158 Benchmark]: Toolchain (without parser) took 1611.14ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 72.3MB in the end (delta: 15.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,282 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:41,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.95ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 65.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.97ms. Allocated memory is still 113.2MB. Free memory was 65.8MB in the beginning and 63.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,284 INFO L158 Benchmark]: Boogie Preprocessor took 87.06ms. Allocated memory is still 113.2MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,284 INFO L158 Benchmark]: RCFGBuilder took 801.24ms. Allocated memory is still 113.2MB. Free memory was 61.3MB in the beginning and 72.3MB in the end (delta: -11.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.95ms. Allocated memory is still 113.2MB. Free memory was 87.1MB in the beginning and 65.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.97ms. Allocated memory is still 113.2MB. Free memory was 65.8MB in the beginning and 63.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.06ms. Allocated memory is still 113.2MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.24ms. Allocated memory is still 113.2MB. Free memory was 61.3MB in the beginning and 72.3MB in the end (delta: -11.0MB). Peak memory consumption was 11.3MB. 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 18:54:41,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7314ec4d-794b-4687-8af3-1152382af1e7/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?