./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:08,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:08,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:48:08,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:08,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:08,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:08,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:08,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:08,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:08,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:08,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:08,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:08,437 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:08,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:08,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:08,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:08,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:08,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:08,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:08,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:08,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:08,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:08,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:08,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:08,444 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:08,444 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:08,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:08,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:08,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:08,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:08,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:08,447 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:08,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:08,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:08,448 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_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-11-11 23:48:08,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:08,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:08,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:08,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:08,802 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:08,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-11 23:48:12,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:12,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:12,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-11 23:48:12,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data/d4fa2ffbf/41b4856b88d344b1b0feada9b156a916/FLAGc3f94fe7e [2023-11-11 23:48:12,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data/d4fa2ffbf/41b4856b88d344b1b0feada9b156a916 [2023-11-11 23:48:12,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:12,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:12,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:12,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:12,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:12,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d1f186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12, skipping insertion in model container [2023-11-11 23:48:12,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,301 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:12,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:12,555 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:12,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:12,642 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:12,643 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:12,651 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:12,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12 WrapperNode [2023-11-11 23:48:12,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:12,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:12,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:12,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:12,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,732 INFO L138 Inliner]: procedures = 25, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-11-11 23:48:12,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:12,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:12,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:12,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:12,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:12,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:12,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:12,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:12,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:12" (1/1) ... [2023-11-11 23:48:12,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:12,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:12,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:12,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:48:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:48:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:48:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:48:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:48:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:48:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:48:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:48:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:48:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:48:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-11 23:48:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-11 23:48:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-11 23:48:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-11 23:48:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:48:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:48:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:12,910 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:13,049 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:13,052 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:13,562 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:13,777 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:13,777 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:48:13,778 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:48:13,779 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-11 23:48:13,783 INFO L158 Benchmark]: Toolchain (without parser) took 1523.58ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 109.7MB in the beginning and 207.5MB in the end (delta: -97.8MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:13,784 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 109.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:13,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.97ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 97.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:48:13,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.41ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:13,786 INFO L158 Benchmark]: Boogie Preprocessor took 62.72ms. Allocated memory is still 157.3MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:13,787 INFO L158 Benchmark]: RCFGBuilder took 984.64ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 93.4MB in the beginning and 207.5MB in the end (delta: -114.1MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:13,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 109.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.97ms. Allocated memory is still 157.3MB. Free memory was 109.7MB in the beginning and 97.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.41ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.72ms. Allocated memory is still 157.3MB. Free memory was 95.0MB in the beginning and 93.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 984.64ms. Allocated memory was 157.3MB in the beginning and 243.3MB in the end (delta: 86.0MB). Free memory was 93.4MB in the beginning and 207.5MB in the end (delta: -114.1MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:13,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:16,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:16,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:48:16,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:16,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:16,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:16,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:16,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:16,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:16,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:16,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:16,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:16,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:16,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:16,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:16,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:16,647 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:16,648 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:16,649 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:16,649 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:16,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:16,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:16,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:16,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:16,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:16,659 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:16,659 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:16,660 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:16,660 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:16,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:16,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:16,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:16,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:16,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:16,664 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:16,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:16,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:16,665 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:16,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:16,666 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_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-11-11 23:48:17,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:17,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:17,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:17,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:17,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:17,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-11 23:48:20,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:20,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:20,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-11 23:48:20,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data/d8e4c7525/3b74346a90a64fb2a20ecc33359ef53d/FLAGcfbf3b1bb [2023-11-11 23:48:21,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/data/d8e4c7525/3b74346a90a64fb2a20ecc33359ef53d [2023-11-11 23:48:21,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:21,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:21,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:21,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:21,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:21,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705c0f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21, skipping insertion in model container [2023-11-11 23:48:21,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,090 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:21,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:21,418 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:21,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:21,504 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:21,505 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:21,513 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:21,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21 WrapperNode [2023-11-11 23:48:21,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:21,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:21,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:21,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:21,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,584 INFO L138 Inliner]: procedures = 27, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-11-11 23:48:21,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:21,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:21,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:21,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:21,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:21,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:21,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:21,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:21,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:21" (1/1) ... [2023-11-11 23:48:21,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:21,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:21,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:21,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:48:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:48:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:48:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:48:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:48:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:48:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:48:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:48:21,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:48:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:48:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:48:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-11 23:48:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-11 23:48:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-11 23:48:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-11 23:48:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:48:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:48:21,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:21,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:48:21,763 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:21,918 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:21,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:22,529 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:22,755 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:22,755 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:48:22,756 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:48:22,757 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-11 23:48:22,761 INFO L158 Benchmark]: Toolchain (without parser) took 1731.23ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.7MB in the beginning and 51.4MB in the end (delta: -14.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:22,762 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:22,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.33ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.5MB in the beginning and 58.1MB in the end (delta: -21.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:22,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.22ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:22,764 INFO L158 Benchmark]: Boogie Preprocessor took 82.63ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 54.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:22,765 INFO L158 Benchmark]: RCFGBuilder took 1089.97ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 51.4MB in the end (delta: 2.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:22,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.33ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 36.5MB in the beginning and 58.1MB in the end (delta: -21.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.22ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.63ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 54.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1089.97ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 51.4MB in the end (delta: 2.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:48:22,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d1bc9b0-50a4-4233-8230-49293f50584e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?