./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-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_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9 --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 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:17:18,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:17:18,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:17:18,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:17:18,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:17:18,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:17:18,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:17:18,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:17:18,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:17:18,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:17:18,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:17:18,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:17:18,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:17:18,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:17:18,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:17:18,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:17:18,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:17:18,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:17:18,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:17:18,382 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:17:18,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:17:18,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:17:18,384 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:17:18,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:17:18,385 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:17:18,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:17:18,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:18,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:17:18,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:17:18,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:17:18,388 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:17:18,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:17:18,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:17:18,397 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_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f [2023-12-03 02:17:18,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:17:18,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:17:18,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:17:18,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:17:18,643 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:17:18,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2023-12-03 02:17:21,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:17:21,564 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:17:21,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2023-12-03 02:17:21,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data/da95b502b/9119ddd84626428db13e653dcde2d60d/FLAGab7975d76 [2023-12-03 02:17:21,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data/da95b502b/9119ddd84626428db13e653dcde2d60d [2023-12-03 02:17:21,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:17:21,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:17:21,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:21,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:17:21,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:17:21,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6493900d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21, skipping insertion in model container [2023-12-03 02:17:21,594 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:17:21,799 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_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3066,3079] [2023-12-03 02:17:21,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:21,814 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:17:21,838 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_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3066,3079] [2023-12-03 02:17:21,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:21,848 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:17:21,848 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:17:21,856 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:17:21,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21 WrapperNode [2023-12-03 02:17:21,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:21,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:21,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:17:21,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:17:21,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,874 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,894 INFO L138 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2023-12-03 02:17:21,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:21,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:17:21,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:17:21,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:17:21,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:17:21,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:17:21,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:17:21,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:17:21,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:21" (1/1) ... [2023-12-03 02:17:21,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:21,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:17:21,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:17:21,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:17:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:17:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 02:17:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 02:17:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 02:17:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 02:17:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 02:17:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 02:17:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:17:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:17:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:17:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:17:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:17:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:17:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:17:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:17:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:17:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:17:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:17:21,994 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:17:22,092 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:17:22,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:17:22,310 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:17:22,386 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: #t~post4 := ~pos~0;~pos~0 := #t~post4 - 1;havoc #t~post4;#t~post5 := ~c1~0;~c1~0 := #t~post5 - 1;havoc #t~post5;). 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) [2023-12-03 02:17:22,390 INFO L158 Benchmark]: Toolchain (without parser) took 802.34ms. Allocated memory is still 184.5MB. Free memory was 138.6MB in the beginning and 103.4MB in the end (delta: 35.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 02:17:22,390 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 184.5MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:17:22,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.82ms. Allocated memory is still 184.5MB. Free memory was 138.6MB in the beginning and 127.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:17:22,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 184.5MB. Free memory was 127.0MB in the beginning and 125.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:22,392 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 184.5MB. Free memory was 125.4MB in the beginning and 123.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:17:22,393 INFO L158 Benchmark]: RCFGBuilder took 467.35ms. Allocated memory is still 184.5MB. Free memory was 123.3MB in the beginning and 103.4MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:17:22,396 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 184.5MB. Free memory is still 153.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.82ms. Allocated memory is still 184.5MB. Free memory was 138.6MB in the beginning and 127.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 184.5MB. Free memory was 127.0MB in the beginning and 125.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 184.5MB. Free memory was 125.4MB in the beginning and 123.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.35ms. Allocated memory is still 184.5MB. Free memory was 123.3MB in the beginning and 103.4MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. 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: #t~post4 := ~pos~0;~pos~0 := #t~post4 - 1;havoc #t~post4;#t~post5 := ~c1~0;~c1~0 := #t~post5 - 1;havoc #t~post5;). 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: #t~post4 := ~pos~0;~pos~0 := #t~post4 - 1;havoc #t~post4;#t~post5 := ~c1~0;~c1~0 := #t~post5 - 1;havoc #t~post5;). 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. [2023-12-03 02:17:22,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9 --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 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:17:24,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:17:24,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:17:24,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:17:24,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:17:24,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:17:24,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:17:24,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:17:24,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:17:24,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:17:24,514 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:17:24,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:17:24,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:17:24,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:17:24,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:17:24,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:17:24,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:17:24,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:17:24,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:17:24,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:17:24,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:17:24,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:17:24,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:17:24,520 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:17:24,521 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:17:24,521 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:24,522 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:17:24,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:17:24,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:24,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:17:24,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:17:24,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:17:24,525 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:17:24,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:24,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:17:24,526 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:17:24,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:17:24,526 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_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f [2023-12-03 02:17:24,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:17:24,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:17:24,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:17:24,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:17:24,846 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:17:24,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2023-12-03 02:17:27,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:17:27,860 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:17:27,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2023-12-03 02:17:27,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data/ae90dfd36/e74283735dc042f5a58cbe4709a97a6d/FLAG4c069b660 [2023-12-03 02:17:27,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/data/ae90dfd36/e74283735dc042f5a58cbe4709a97a6d [2023-12-03 02:17:27,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:17:27,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:17:27,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:27,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:17:27,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:17:27,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:27" (1/1) ... [2023-12-03 02:17:27,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d460468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:27, skipping insertion in model container [2023-12-03 02:17:27,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:27" (1/1) ... [2023-12-03 02:17:27,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:17:28,125 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_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3066,3079] [2023-12-03 02:17:28,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:28,142 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:17:28,167 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_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3066,3079] [2023-12-03 02:17:28,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:28,179 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:17:28,179 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:17:28,188 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:17:28,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28 WrapperNode [2023-12-03 02:17:28,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:28,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:28,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:17:28,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:17:28,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,225 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-12-03 02:17:28,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:28,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:17:28,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:17:28,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:17:28,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:17:28,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:17:28,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:17:28,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:17:28,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:28" (1/1) ... [2023-12-03 02:17:28,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:28,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:17:28,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:17:28,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:17:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:17:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 02:17:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 02:17:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 02:17:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 02:17:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 02:17:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 02:17:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:17:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:17:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:17:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:17:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:17:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:17:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:17:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:17:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:17:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:17:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:17:28,335 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:17:28,442 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:17:28,444 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:17:28,690 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:17:28,771 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: #t~post4 := ~pos~0;~pos~0 := ~bvsub~32(#t~post4, 1bv32);havoc #t~post4;#t~post5 := ~c1~0;~c1~0 := ~bvsub~32(#t~post5, 1bv32);havoc #t~post5;). 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) [2023-12-03 02:17:28,784 INFO L158 Benchmark]: Toolchain (without parser) took 885.13ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 36.0MB in the beginning and 42.0MB in the end (delta: -6.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-12-03 02:17:28,785 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:17:28,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.05ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 35.8MB in the beginning and 68.9MB in the end (delta: -33.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-12-03 02:17:28,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:17:28,787 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 65.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:28,787 INFO L158 Benchmark]: RCFGBuilder took 513.32ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 42.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:28,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.05ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 35.8MB in the beginning and 68.9MB in the end (delta: -33.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 94.4MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 65.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.32ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 42.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. 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: #t~post4 := ~pos~0;~pos~0 := ~bvsub~32(#t~post4, 1bv32);havoc #t~post4;#t~post5 := ~c1~0;~c1~0 := ~bvsub~32(#t~post5, 1bv32);havoc #t~post5;). 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: #t~post4 := ~pos~0;~pos~0 := ~bvsub~32(#t~post4, 1bv32);havoc #t~post4;#t~post5 := ~c1~0;~c1~0 := ~bvsub~32(#t~post5, 1bv32);havoc #t~post5;). 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. [2023-12-03 02:17:28,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed97eda-cc9e-40e7-a0bd-bf2327b82263/bin/ukojak-verify-Qdu7aM0XO9/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: #t~post4 := ~pos~0;~pos~0 := ~bvsub~32(#t~post4, 1bv32);havoc #t~post4;#t~post5 := ~c1~0;~c1~0 := ~bvsub~32(#t~post5, 1bv32);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?