./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f044966ade6b1d79627a5dcb577ad24e14a4ae2ab2467e458af5fa83aa6cd521 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:50,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:50,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:50,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:50,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:50,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:50,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:50,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:50,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:50,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:50,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:50,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:50,732 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:50,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:50,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:50,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:50,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:50,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:50,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:50,737 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:50,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:50,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:50,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:50,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:50,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:50,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:50,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:50,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:50,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:50,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:50,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:50,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:50,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:50,753 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_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f044966ade6b1d79627a5dcb577ad24e14a4ae2ab2467e458af5fa83aa6cd521 [2023-11-24 22:12:51,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:51,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:51,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:51,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:51,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:51,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2023-11-24 22:12:54,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:54,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:54,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2023-11-24 22:12:54,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data/c62318c96/264eb6e4371e412e929c4e5f86a048e1/FLAGc062194f2 [2023-11-24 22:12:54,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data/c62318c96/264eb6e4371e412e929c4e5f86a048e1 [2023-11-24 22:12:54,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:54,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:54,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:54,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:54,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:54,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:54" (1/1) ... [2023-11-24 22:12:54,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757aae73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:54, skipping insertion in model container [2023-11-24 22:12:54,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:54" (1/1) ... [2023-11-24 22:12:55,025 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:55,193 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[4028,4041] [2023-11-24 22:12:55,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:55,213 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:55,242 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[4028,4041] [2023-11-24 22:12:55,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:55,252 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:55,252 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:55,260 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:55,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55 WrapperNode [2023-11-24 22:12:55,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:55,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:55,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:55,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:55,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,304 INFO L138 Inliner]: procedures = 24, calls = 85, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 127 [2023-11-24 22:12:55,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:55,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:55,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:55,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:55,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:55,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:55,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:55,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:55,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:55" (1/1) ... [2023-11-24 22:12:55,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:55,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:55,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:55,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:12:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:12:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:12:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:12:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:12:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:12:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:12:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:12:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:12:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:12:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-24 22:12:55,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-24 22:12:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:55,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:12:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:12:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:55,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:55,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:55,443 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:12:55,564 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:55,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:55,945 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:56,046 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:12:56,050 INFO L158 Benchmark]: Toolchain (without parser) took 1064.30ms. Allocated memory is still 163.6MB. Free memory was 123.8MB in the beginning and 81.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,051 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 163.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:56,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.19ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 111.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.60ms. Allocated memory is still 163.6MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,053 INFO L158 Benchmark]: Boogie Preprocessor took 58.49ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:56,054 INFO L158 Benchmark]: RCFGBuilder took 683.66ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 81.9MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 22:12:56,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 163.6MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.19ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 111.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.60ms. Allocated memory is still 163.6MB. Free memory was 111.2MB in the beginning and 109.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.49ms. Allocated memory is still 163.6MB. Free memory was 109.1MB in the beginning and 107.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 683.66ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 81.9MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:12:56,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f044966ade6b1d79627a5dcb577ad24e14a4ae2ab2467e458af5fa83aa6cd521 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:58,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:58,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:12:58,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:58,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:58,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:58,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:58,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:58,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:58,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:58,808 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:58,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:58,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:58,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:58,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:58,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:58,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:12:58,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:12:58,814 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:12:58,815 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:58,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:58,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:58,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:58,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:58,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:58,823 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:58,823 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:58,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:58,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:58,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:58,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:58,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:58,827 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:12:58,827 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:58,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:58,827 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:12:58,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:58,828 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_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f044966ade6b1d79627a5dcb577ad24e14a4ae2ab2467e458af5fa83aa6cd521 [2023-11-24 22:12:59,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:59,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:59,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:59,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:59,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:59,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2023-11-24 22:13:02,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:03,135 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:03,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2023-11-24 22:13:03,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data/0dba36f05/49cc41bbdf904ba390524e5d59f6a302/FLAGad3366ccb [2023-11-24 22:13:03,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/data/0dba36f05/49cc41bbdf904ba390524e5d59f6a302 [2023-11-24 22:13:03,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:03,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:03,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:03,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:03,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:03,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a16a7ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03, skipping insertion in model container [2023-11-24 22:13:03,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:03,494 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[4028,4041] [2023-11-24 22:13:03,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:03,518 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:03,558 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[4028,4041] [2023-11-24 22:13:03,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:03,574 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:03,574 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:03,584 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:03,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03 WrapperNode [2023-11-24 22:13:03,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:03,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:03,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:03,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:03,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,651 INFO L138 Inliner]: procedures = 26, calls = 85, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 119 [2023-11-24 22:13:03,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:03,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:03,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:03,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:03,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:03,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:03,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:03,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:03,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:03,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:03,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:03,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:13:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:13:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:13:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:13:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:13:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:13:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:13:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:13:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:13:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:13:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:13:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-24 22:13:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-24 22:13:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:13:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:13:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:13:03,860 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:13:04,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:04,130 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:04,587 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:04,783 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:13:04,790 INFO L158 Benchmark]: Toolchain (without parser) took 1623.38ms. Allocated memory is still 88.1MB. Free memory was 64.0MB in the beginning and 42.8MB in the end (delta: 21.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,791 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 86.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:04,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.44ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 51.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.16ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 49.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,796 INFO L158 Benchmark]: Boogie Preprocessor took 100.55ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 47.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,797 INFO L158 Benchmark]: RCFGBuilder took 1034.75ms. Allocated memory is still 88.1MB. Free memory was 47.4MB in the beginning and 42.8MB in the end (delta: 4.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 86.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.44ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 51.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.16ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 49.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.55ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 47.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.75ms. Allocated memory is still 88.1MB. Free memory was 47.4MB in the beginning and 42.8MB in the end (delta: 4.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:13:04,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49a7b05b-212e-4ad2-b4b1-3f8ec46cc594/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?