./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c --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_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/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_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/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_caf75fd7-b035-4848-a4e2-1ce72a21e379/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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:18,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:18,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:18,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:18,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:18,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:18,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:18,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:19,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:19,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:19,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:19,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:19,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:19,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:19,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:19,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:19,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:19,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:19,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:19,013 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:19,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:19,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:19,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:19,015 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:19,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:19,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:19,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:19,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:19,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:19,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:19,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:19,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:19,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:19,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:19,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:19,022 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_caf75fd7-b035-4848-a4e2-1ce72a21e379/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2023-11-21 18:28:19,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:19,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:19,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:19,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:19,334 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:19,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-11-21 18:28:22,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:22,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:22,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-11-21 18:28:22,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data/f6d79d84d/81f09aee3138495d867c9190ca1eef91/FLAGeb3569695 [2023-11-21 18:28:22,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data/f6d79d84d/81f09aee3138495d867c9190ca1eef91 [2023-11-21 18:28:22,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:22,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:22,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:22,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:22,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:22,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7914758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22, skipping insertion in model container [2023-11-21 18:28:22,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:23,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:23,041 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:23,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:23,088 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:23,089 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:23,097 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:23,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23 WrapperNode [2023-11-21 18:28:23,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:23,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:23,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:23,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:23,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,150 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-11-21 18:28:23,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:23,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:23,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:23,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:23,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:23,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:23,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:23,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:23,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:23,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:23,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:23,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:28:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:28:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:28:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:28:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:28:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:28:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:28:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:28:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:28:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:28:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:28:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:28:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:23,281 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 18:28:23,383 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:23,384 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:23,735 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:23,919 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 18:28:23,927 INFO L158 Benchmark]: Toolchain (without parser) took 1148.49ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 121.8MB in the end (delta: -2.8MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,928 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:23,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.65ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.01ms. Allocated memory is still 165.7MB. Free memory was 107.6MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,931 INFO L158 Benchmark]: Boogie Preprocessor took 29.32ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:23,933 INFO L158 Benchmark]: RCFGBuilder took 743.72ms. Allocated memory is still 165.7MB. Free memory was 104.4MB in the beginning and 121.8MB in the end (delta: -17.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 127.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.65ms. Allocated memory is still 165.7MB. Free memory was 119.1MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.01ms. Allocated memory is still 165.7MB. Free memory was 107.6MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.32ms. Allocated memory is still 165.7MB. Free memory was 106.0MB in the beginning and 104.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 743.72ms. Allocated memory is still 165.7MB. Free memory was 104.4MB in the beginning and 121.8MB in the end (delta: -17.4MB). Peak memory consumption was 15.6MB. 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 18:28:23,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/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_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/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_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/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_caf75fd7-b035-4848-a4e2-1ce72a21e379/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 afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:26,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:26,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:28:26,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:26,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:26,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:26,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:26,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:26,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:26,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:26,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:26,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:26,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:26,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:26,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:26,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:26,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:28:26,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:28:26,763 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:26,763 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:28:26,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:26,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:26,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:26,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:26,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:26,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:26,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:26,767 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:26,768 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:28:26,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:26,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:26,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:26,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:26,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:26,770 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:28:26,771 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:26,771 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:26,772 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:28:26,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:28:26,773 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_caf75fd7-b035-4848-a4e2-1ce72a21e379/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd4dff22cd4af07bd40593cdae3d07b68e9e49be619064a67ffd75ffa5bf4b2 [2023-11-21 18:28:27,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:27,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:27,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:27,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:27,199 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:27,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-11-21 18:28:30,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:30,506 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:30,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/sv-benchmarks/c/weaver/chl-time-symm.wvr.c [2023-11-21 18:28:30,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data/8f0398cbf/b64ceb21b78a46e18abcb6c9764ff402/FLAG284a0ce86 [2023-11-21 18:28:30,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/data/8f0398cbf/b64ceb21b78a46e18abcb6c9764ff402 [2023-11-21 18:28:30,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:30,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:30,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:30,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:30,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:30,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6e33c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30, skipping insertion in model container [2023-11-21 18:28:30,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,566 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:30,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:30,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:30,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:30,799 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:30,799 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:30,808 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:30,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30 WrapperNode [2023-11-21 18:28:30,808 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:30,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:30,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:30,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:30,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,847 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-21 18:28:30,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:30,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:30,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:30,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:30,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:30,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:30,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:30,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:30,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:30,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:30,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:30,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-21 18:28:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-21 18:28:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:28:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:28:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:28:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:28:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:28:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:28:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:28:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:28:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:28:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:28:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:28:30,977 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 18:28:31,093 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:31,096 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:31,496 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:31,663 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 18:28:31,675 INFO L158 Benchmark]: Toolchain (without parser) took 1135.70ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 48.4MB in the end (delta: 12.8MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-11-21 18:28:31,675 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:31,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.61ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 49.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:28:31,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.08ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:28:31,677 INFO L158 Benchmark]: Boogie Preprocessor took 33.56ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:31,678 INFO L158 Benchmark]: RCFGBuilder took 786.13ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 48.4MB in the end (delta: -2.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-11-21 18:28:31,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 60.5MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.61ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 49.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.08ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.56ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 786.13ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 48.4MB in the end (delta: -2.7MB). Peak memory consumption was 14.8MB. 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 18:28:31,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf75fd7-b035-4848-a4e2-1ce72a21e379/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?