./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/test-semi1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-semi1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL --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 9a7d6fb4818c771ee6598f9c9b7d2b5b977c749bbed873b12531900cde741cb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:50,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:50,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:56:50,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:50,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:50,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:50,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:50,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:50,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:50,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:50,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:50,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:50,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:50,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:50,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:50,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:50,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:50,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:50,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:50,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:50,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:50,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:50,488 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:50,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:50,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:50,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:50,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:50,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:50,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:50,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:50,495 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:50,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:50,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:50,496 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_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a7d6fb4818c771ee6598f9c9b7d2b5b977c749bbed873b12531900cde741cb6 [2023-11-19 02:56:50,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:50,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:50,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:50,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:50,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:50,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-semi1.wvr.c [2023-11-19 02:56:54,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:54,347 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:54,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/sv-benchmarks/c/weaver/test-semi1.wvr.c [2023-11-19 02:56:54,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data/80a051356/54050dd2bcb04386b880153260e084f9/FLAG533e7bf39 [2023-11-19 02:56:54,369 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data/80a051356/54050dd2bcb04386b880153260e084f9 [2023-11-19 02:56:54,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:54,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:54,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:54,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:54,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:54,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176baf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54, skipping insertion in model container [2023-11-19 02:56:54,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:54,611 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_1a857597-db54-4bf3-996c-5a2bf087ff45/sv-benchmarks/c/weaver/test-semi1.wvr.c[2005,2018] [2023-11-19 02:56:54,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:54,626 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:54,646 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_1a857597-db54-4bf3-996c-5a2bf087ff45/sv-benchmarks/c/weaver/test-semi1.wvr.c[2005,2018] [2023-11-19 02:56:54,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:54,656 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:54,656 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:54,666 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:54,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54 WrapperNode [2023-11-19 02:56:54,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:54,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:54,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:54,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:54,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,706 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 02:56:54,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:54,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:54,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:54,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:54,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:54,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:54,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:54,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:54,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:54,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:54,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:54,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:56:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:56:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:56:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:56:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:56:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:56:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:56:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:56:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:54,848 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:56:54,947 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:54,949 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:55,217 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:55,331 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:55,331 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:56:55,333 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:56:55,345 INFO L158 Benchmark]: Toolchain (without parser) took 969.72ms. Allocated memory was 125.8MB in the beginning and 197.1MB in the end (delta: 71.3MB). Free memory was 81.2MB in the beginning and 166.5MB in the end (delta: -85.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-19 02:56:55,346 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:55,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.39ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:56:55,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.02ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 68.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:55,350 INFO L158 Benchmark]: Boogie Preprocessor took 27.56ms. Allocated memory is still 125.8MB. Free memory was 68.5MB in the beginning and 67.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:55,353 INFO L158 Benchmark]: RCFGBuilder took 606.51ms. Allocated memory was 125.8MB in the beginning and 197.1MB in the end (delta: 71.3MB). Free memory was 67.1MB in the beginning and 166.5MB in the end (delta: -99.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-19 02:56:55,359 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 125.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.39ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.02ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 68.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.56ms. Allocated memory is still 125.8MB. Free memory was 68.5MB in the beginning and 67.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.51ms. Allocated memory was 125.8MB in the beginning and 197.1MB in the end (delta: 71.3MB). Free memory was 67.1MB in the beginning and 166.5MB in the end (delta: -99.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:56:55,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/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_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-semi1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL --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 9a7d6fb4818c771ee6598f9c9b7d2b5b977c749bbed873b12531900cde741cb6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:58,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:58,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:56:58,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:58,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:58,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:58,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:58,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:58,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:58,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:58,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:58,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:58,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:58,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:58,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:58,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:58,594 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:56:58,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:56:58,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:56:58,597 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:58,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:58,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:58,599 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:58,599 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:58,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:58,600 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:58,600 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:56:58,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:58,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:58,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:58,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:58,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:58,604 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:56:58,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:56:58,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:58,605 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:56:58,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:56:58,606 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_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a7d6fb4818c771ee6598f9c9b7d2b5b977c749bbed873b12531900cde741cb6 [2023-11-19 02:56:59,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:59,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:59,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:59,083 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:59,084 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:59,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-semi1.wvr.c [2023-11-19 02:57:02,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:57:02,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:57:02,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/sv-benchmarks/c/weaver/test-semi1.wvr.c [2023-11-19 02:57:02,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data/6b11eb946/35ab174e9ab744dcb53b40968107a82d/FLAGad45e6eb4 [2023-11-19 02:57:02,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/data/6b11eb946/35ab174e9ab744dcb53b40968107a82d [2023-11-19 02:57:02,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:57:02,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:57:02,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:02,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:57:02,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:57:02,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b4c87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:02, skipping insertion in model container [2023-11-19 02:57:02,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:57:02" (1/1) ... [2023-11-19 02:57:02,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:57:03,120 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_1a857597-db54-4bf3-996c-5a2bf087ff45/sv-benchmarks/c/weaver/test-semi1.wvr.c[2005,2018] [2023-11-19 02:57:03,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:03,145 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:57:03,188 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_1a857597-db54-4bf3-996c-5a2bf087ff45/sv-benchmarks/c/weaver/test-semi1.wvr.c[2005,2018] [2023-11-19 02:57:03,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:57:03,205 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:57:03,205 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:57:03,215 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:57:03,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03 WrapperNode [2023-11-19 02:57:03,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:57:03,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:03,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:57:03,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:57:03,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,278 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-19 02:57:03,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:57:03,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:57:03,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:57:03,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:57:03,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:57:03,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:57:03,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:57:03,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:57:03,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:57:03" (1/1) ... [2023-11-19 02:57:03,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:57:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:57:03,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:57:03,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:57:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:57:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:57:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:57:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:57:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:57:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:57:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:57:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:57:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:57:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:57:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:57:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:57:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:57:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:57:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:57:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:57:03,470 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:57:03,650 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:57:03,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:57:03,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:04,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:04,022 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:57:04,024 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:57:04,029 INFO L158 Benchmark]: Toolchain (without parser) took 1219.04ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 50.8MB in the beginning and 61.7MB in the end (delta: -10.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-19 02:57:04,030 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:04,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.24ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 39.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:57:04,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.09ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 39.3MB in the beginning and 78.8MB in the end (delta: -39.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-19 02:57:04,033 INFO L158 Benchmark]: Boogie Preprocessor took 63.46ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:04,034 INFO L158 Benchmark]: RCFGBuilder took 682.81ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 61.7MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:57:04,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.24ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 39.3MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.09ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 39.3MB in the beginning and 78.8MB in the end (delta: -39.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.46ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 77.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.81ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 61.7MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:57:04,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a857597-db54-4bf3-996c-5a2bf087ff45/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?