./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-6.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_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/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_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/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_bc554797-55b2-4658-8f85-0b30173c280a/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 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:36:28,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:36:28,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:36:28,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:36:28,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:36:28,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:36:28,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:36:28,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:36:28,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:36:28,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:36:28,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:36:28,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:36:28,282 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:36:28,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:36:28,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:36:28,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:36:28,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:36:28,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:36:28,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:36:28,286 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:36:28,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:36:28,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:36:28,291 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:36:28,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:36:28,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:36:28,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:36:28,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:36:28,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:36:28,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:36:28,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:36:28,303 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:36:28,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:36:28,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:36:28,304 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_bc554797-55b2-4658-8f85-0b30173c280a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-12-02 23:36:28,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:36:28,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:36:28,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:36:28,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:36:28,528 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:36:28,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 23:36:31,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:36:31,434 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:36:31,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 23:36:31,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data/c80deeb37/5f0813b56892457790317d9a85ad447f/FLAGa69a3f31c [2023-12-02 23:36:31,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data/c80deeb37/5f0813b56892457790317d9a85ad447f [2023-12-02 23:36:31,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:36:31,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:36:31,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:36:31,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:36:31,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:36:31,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52211b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31, skipping insertion in model container [2023-12-02 23:36:31,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,488 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:36:31,635 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_bc554797-55b2-4658-8f85-0b30173c280a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4478,4491] [2023-12-02 23:36:31,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:36:31,651 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:36:31,681 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_bc554797-55b2-4658-8f85-0b30173c280a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4478,4491] [2023-12-02 23:36:31,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:36:31,692 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:36:31,692 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:36:31,698 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:36:31,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31 WrapperNode [2023-12-02 23:36:31,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:36:31,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:36:31,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:36:31,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:36:31,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,739 INFO L138 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2023-12-02 23:36:31,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:36:31,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:36:31,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:36:31,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:36:31,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:36:31,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:36:31,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:36:31,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:36:31,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:31" (1/1) ... [2023-12-02 23:36:31,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:36:31,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:36:31,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:36:31,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:36:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:36:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:36:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:36:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:36:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:36:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:36:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:36:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:36:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:36:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:36:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 23:36:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 23:36:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:36:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:36:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:36:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-02 23:36:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-02 23:36:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-12-02 23:36:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-12-02 23:36:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:36:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:36:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:36:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:36:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:36:31,854 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:36:31,980 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:36:31,982 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:36:32,283 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:36:32,358 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) [2023-12-02 23:36:32,362 INFO L158 Benchmark]: Toolchain (without parser) took 905.17ms. Allocated memory is still 148.9MB. Free memory was 111.5MB in the beginning and 66.4MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 23:36:32,363 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:36:32,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.57ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 98.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:36:32,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.25ms. Allocated memory is still 148.9MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:36:32,365 INFO L158 Benchmark]: Boogie Preprocessor took 31.20ms. Allocated memory is still 148.9MB. Free memory was 96.6MB in the beginning and 94.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:36:32,365 INFO L158 Benchmark]: RCFGBuilder took 588.72ms. Allocated memory is still 148.9MB. Free memory was 94.9MB in the beginning and 66.4MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 23:36:32,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.57ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 98.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.25ms. Allocated memory is still 148.9MB. Free memory was 98.7MB in the beginning and 96.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.20ms. Allocated memory is still 148.9MB. Free memory was 96.6MB in the beginning and 94.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.72ms. Allocated memory is still 148.9MB. Free memory was 94.9MB in the beginning and 66.4MB in the end (delta: 28.5MB). 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. [2023-12-02 23:36:32,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/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_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/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_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/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_bc554797-55b2-4658-8f85-0b30173c280a/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 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:36:34,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:36:34,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:36:34,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:36:34,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:36:34,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:36:34,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:36:34,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:36:34,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:36:34,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:36:34,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:36:34,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:36:34,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:36:34,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:36:34,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:36:34,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:36:34,394 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:36:34,395 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:36:34,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:36:34,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:36:34,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:36:34,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:36:34,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:36:34,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:36:34,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:36:34,399 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:34,399 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:36:34,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:36:34,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:36:34,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:36:34,401 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:36:34,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:36:34,402 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:36:34,402 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:34,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:36:34,403 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:36:34,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:36:34,403 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_bc554797-55b2-4658-8f85-0b30173c280a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-12-02 23:36:34,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:36:34,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:36:34,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:36:34,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:36:34,706 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:36:34,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 23:36:37,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:36:37,681 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:36:37,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 23:36:37,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data/67b50736f/a597e86730b245bc8dcb8c2d3dd675ea/FLAGafd6f7540 [2023-12-02 23:36:37,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/data/67b50736f/a597e86730b245bc8dcb8c2d3dd675ea [2023-12-02 23:36:37,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:36:37,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:36:37,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:36:37,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:36:37,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:36:37,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:37,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c4cd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37, skipping insertion in model container [2023-12-02 23:36:37,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:37,739 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:36:37,896 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_bc554797-55b2-4658-8f85-0b30173c280a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4478,4491] [2023-12-02 23:36:37,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:36:37,914 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:36:37,943 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_bc554797-55b2-4658-8f85-0b30173c280a/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c[4478,4491] [2023-12-02 23:36:37,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:36:37,955 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:36:37,955 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:36:37,961 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:36:37,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37 WrapperNode [2023-12-02 23:36:37,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:36:37,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:36:37,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:36:37,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:36:37,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:37,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,004 INFO L138 Inliner]: procedures = 27, calls = 100, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 137 [2023-12-02 23:36:38,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:36:38,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:36:38,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:36:38,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:36:38,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:36:38,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:36:38,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:36:38,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:36:38,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:36:37" (1/1) ... [2023-12-02 23:36:38,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:36:38,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:36:38,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:36:38,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:36:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:36:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:36:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:36:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:36:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:36:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:36:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:36:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:36:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:36:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:36:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 23:36:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 23:36:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:36:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:36:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-02 23:36:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-02 23:36:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-12-02 23:36:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-12-02 23:36:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:36:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:36:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:36:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:36:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:36:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:36:38,118 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:36:38,241 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:36:38,243 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:36:38,584 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:36:38,682 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) [2023-12-02 23:36:38,686 INFO L158 Benchmark]: Toolchain (without parser) took 980.15ms. Allocated memory is still 121.6MB. Free memory was 97.9MB in the beginning and 89.6MB in the end (delta: 8.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2023-12-02 23:36:38,687 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:36:38,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.81ms. Allocated memory is still 121.6MB. Free memory was 97.9MB in the beginning and 84.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:36:38,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.03ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 82.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:36:38,688 INFO L158 Benchmark]: Boogie Preprocessor took 35.59ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 80.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:36:38,689 INFO L158 Benchmark]: RCFGBuilder took 643.22ms. Allocated memory is still 121.6MB. Free memory was 80.8MB in the beginning and 89.6MB in the end (delta: -8.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-02 23:36:38,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.81ms. Allocated memory is still 121.6MB. Free memory was 97.9MB in the beginning and 84.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.03ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 82.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.59ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 80.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.22ms. Allocated memory is still 121.6MB. Free memory was 80.8MB in the beginning and 89.6MB in the end (delta: -8.8MB). Peak memory consumption was 30.2MB. 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. [2023-12-02 23:36:38,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc554797-55b2-4658-8f85-0b30173c280a/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 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?