./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:17,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:18,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:40:18,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:18,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:18,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:18,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:18,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:18,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:18,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:18,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:18,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:18,075 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:40:18,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:18,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:40:18,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:18,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:18,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:18,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:18,079 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:40:18,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:18,080 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:18,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:18,081 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:18,081 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:18,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:18,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:18,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:18,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:18,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:18,084 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:18,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:18,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:18,085 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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 [2023-11-19 03:40:18,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:18,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:18,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:18,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:18,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:18,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2023-11-19 03:40:21,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:21,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:21,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2023-11-19 03:40:21,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data/695d12981/cd76783203fd47e8a086d8a21b3fdacc/FLAGd92d9fc49 [2023-11-19 03:40:21,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data/695d12981/cd76783203fd47e8a086d8a21b3fdacc [2023-11-19 03:40:21,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:21,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:22,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:22,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:22,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:22,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:21" (1/1) ... [2023-11-19 03:40:22,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfe6be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22, skipping insertion in model container [2023-11-19 03:40:22,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:21" (1/1) ... [2023-11-19 03:40:22,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:22,255 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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2023-11-19 03:40:22,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:22,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:22,295 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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2023-11-19 03:40:22,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:22,305 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:22,305 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:22,313 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:22,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22 WrapperNode [2023-11-19 03:40:22,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:22,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:22,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:22,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:22,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,353 INFO L138 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-19 03:40:22,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:22,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:22,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:22,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:22,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:22,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:22,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:22,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:22,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:22" (1/1) ... [2023-11-19 03:40:22,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:22,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:22,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:22,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:40:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:40:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:40:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:40:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:40:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:40:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:40:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:40:22,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:40:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:40:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:40:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:40:22,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:40:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:40:22,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:22,481 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 03:40:22,592 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:22,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:22,848 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:23,010 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:23,011 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:40:23,012 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 03:40:23,017 INFO L158 Benchmark]: Toolchain (without parser) took 1019.25ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 105.5MB in the end (delta: 37.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:40:23,018 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 149.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:23,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.38ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 130.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:40:23,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.55ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 129.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:23,021 INFO L158 Benchmark]: Boogie Preprocessor took 39.52ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:40:23,022 INFO L158 Benchmark]: RCFGBuilder took 621.37ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 105.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:40:23,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 149.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.38ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 130.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.55ms. Allocated memory is still 176.2MB. Free memory was 130.7MB in the beginning and 129.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.52ms. Allocated memory is still 176.2MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.37ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 105.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. 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 03:40:23,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:25,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:25,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:40:25,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:25,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:25,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:25,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:25,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:25,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:25,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:25,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:40:25,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:40:25,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:25,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:25,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:25,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:25,881 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:40:25,885 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:40:25,885 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:40:25,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:40:25,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:25,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:25,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:25,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:25,888 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:25,889 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:25,889 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:25,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:25,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:25,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:25,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:25,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:25,891 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:40:25,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:40:25,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:25,892 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:40:25,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:40:25,892 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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bb015d05a3d6b765805bee36bd4c1bc3f74929c05e61a51973bc9a4fc2cfc0 [2023-11-19 03:40:26,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:26,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:26,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:26,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:26,275 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:26,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2023-11-19 03:40:29,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:29,708 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:29,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2023-11-19 03:40:29,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data/1fd5479e6/72b4f49703d043dbb7511d0ff8f5acb2/FLAGaf5260c9d [2023-11-19 03:40:29,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/data/1fd5479e6/72b4f49703d043dbb7511d0ff8f5acb2 [2023-11-19 03:40:29,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:29,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:29,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:29,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:29,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:29,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:29" (1/1) ... [2023-11-19 03:40:29,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfa8cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:29, skipping insertion in model container [2023-11-19 03:40:29,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:29" (1/1) ... [2023-11-19 03:40:29,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:30,045 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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2023-11-19 03:40:30,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:30,065 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:30,108 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_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2663,2676] [2023-11-19 03:40:30,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:30,121 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:30,122 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:40:30,129 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:30,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30 WrapperNode [2023-11-19 03:40:30,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:30,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:30,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:30,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:30,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,201 INFO L138 Inliner]: procedures = 24, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2023-11-19 03:40:30,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:30,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:30,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:30,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:30,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:30,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:30,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:30,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:30,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:30" (1/1) ... [2023-11-19 03:40:30,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:30,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:30,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:30,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:30,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:40:30,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:40:30,394 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:40:30,394 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:40:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:40:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:40:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:40:30,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:40:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:40:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:40:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:40:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:40:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:40:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:40:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:40:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:40:30,402 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 03:40:30,591 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:30,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:30,897 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:31,017 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:31,017 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:40:31,019 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 03:40:31,024 INFO L158 Benchmark]: Toolchain (without parser) took 1276.56ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 42.0MB in the end (delta: 5.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:31,025 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:31,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.45ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 34.9MB in the end (delta: 12.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:40:31,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.54ms. Allocated memory is still 71.3MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:31,027 INFO L158 Benchmark]: Boogie Preprocessor took 64.81ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 68.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:40:31,028 INFO L158 Benchmark]: RCFGBuilder took 746.01ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 42.0MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:40:31,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 71.3MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.45ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 34.9MB in the end (delta: 12.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.54ms. Allocated memory is still 71.3MB. Free memory was 34.9MB in the beginning and 33.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.81ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 68.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 746.01ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 42.0MB in the end (delta: 26.1MB). 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 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 03:40:31,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c0639f1-55f9-48c4-91a2-8751aedd5b1e/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?