./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/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_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:07,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:08,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:37:08,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:08,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:08,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:08,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:08,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:08,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:08,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:08,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:08,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:08,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:08,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:08,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:08,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:08,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:08,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:08,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:08,134 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:37:08,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:37:08,135 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:08,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:08,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:08,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:08,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:08,139 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:08,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:08,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:08,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:08,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:08,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:08,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:08,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:08,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:08,144 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_1804030e-8d52-4518-bafd-8330c9bc805d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab [2023-11-19 03:37:08,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:08,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:08,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:08,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:08,504 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:08,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-19 03:37:11,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:11,894 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:11,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-19 03:37:11,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data/1bfdd5f11/c053c3c0693540bcbd65ff71950c98ed/FLAG4e392cf83 [2023-11-19 03:37:11,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data/1bfdd5f11/c053c3c0693540bcbd65ff71950c98ed [2023-11-19 03:37:11,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:11,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:11,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:11,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:11,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:11,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3945fca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11, skipping insertion in model container [2023-11-19 03:37:11,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,971 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:12,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:12,194 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:12,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:12,244 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:12,244 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:12,253 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:12,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12 WrapperNode [2023-11-19 03:37:12,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:12,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:12,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:12,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:12,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,320 INFO L138 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-19 03:37:12,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:12,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:12,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:12,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:12,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:12,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:12,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:12,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:12,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:12,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:12,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:12,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:37:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:37:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:37:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:37:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:37:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:37:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:37:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:37:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:37:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:37:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:37:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:37:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:37:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:12,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:37:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:12,495 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 03:37:12,627 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:12,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:13,132 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:13,392 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:13,392 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:37:13,398 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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:328) 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 03:37:13,408 INFO L158 Benchmark]: Toolchain (without parser) took 1477.74ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 74.8MB in the end (delta: 12.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-19 03:37:13,409 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:13,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.45ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 75.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:37:13,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.88ms. Allocated memory is still 130.0MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:13,413 INFO L158 Benchmark]: Boogie Preprocessor took 67.16ms. Allocated memory is still 130.0MB. Free memory was 72.9MB in the beginning and 71.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:13,414 INFO L158 Benchmark]: RCFGBuilder took 1015.80ms. Allocated memory is still 130.0MB. Free memory was 71.4MB in the beginning and 74.8MB in the end (delta: -3.4MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-19 03:37:13,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.45ms. Allocated memory is still 130.0MB. Free memory was 86.7MB in the beginning and 75.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.88ms. Allocated memory is still 130.0MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.16ms. Allocated memory is still 130.0MB. Free memory was 72.9MB in the beginning and 71.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.80ms. Allocated memory is still 130.0MB. Free memory was 71.4MB in the beginning and 74.8MB in the end (delta: -3.4MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:37:13,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/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_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:16,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:16,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:37:16,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:16,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:16,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:16,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:16,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:16,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:16,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:16,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:16,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:16,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:16,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:16,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:16,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:16,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:37:16,529 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:37:16,530 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:37:16,531 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:37:16,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:37:16,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:16,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:16,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:16,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:16,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:16,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:16,535 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:16,536 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:16,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:16,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:16,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:16,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:16,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:16,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:37:16,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:16,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:16,540 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:37:16,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:16,541 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_1804030e-8d52-4518-bafd-8330c9bc805d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e310cbbcaa6ee1bb3c2e05a2a5fb7cb2ddde366fa4283fb7922170dd08986ab [2023-11-19 03:37:17,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:17,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:17,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:17,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:17,060 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:17,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-19 03:37:20,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:21,053 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:21,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2023-11-19 03:37:21,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data/bdc37b8f5/5bed1e9d41304484b720c890d1dabfb8/FLAG20f4eda3c [2023-11-19 03:37:21,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/data/bdc37b8f5/5bed1e9d41304484b720c890d1dabfb8 [2023-11-19 03:37:21,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:21,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:21,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:21,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:21,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:21,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257bb8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21, skipping insertion in model container [2023-11-19 03:37:21,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:21,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:21,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:21,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:21,447 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:21,447 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:21,456 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:21,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21 WrapperNode [2023-11-19 03:37:21,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:21,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:21,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:21,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:21,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,551 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-11-19 03:37:21,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:21,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:21,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:21,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:21,585 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:21,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:21,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:21,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:21,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:21" (1/1) ... [2023-11-19 03:37:21,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:21,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:21,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:21,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:37:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:37:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:37:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:37:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:37:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:37:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:37:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:37:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:37:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:37:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:37:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:37:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:37:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:37:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:21,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:21,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:37:21,760 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 03:37:21,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:21,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:22,504 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:22,833 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:22,833 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:37:22,836 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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:328) 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 03:37:22,842 INFO L158 Benchmark]: Toolchain (without parser) took 1732.33ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.9MB in the beginning and 54.8MB in the end (delta: -4.9MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-19 03:37:22,842 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.4MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:22,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.98ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 37.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:37:22,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.70ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 37.3MB in the beginning and 78.3MB in the end (delta: -41.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-19 03:37:22,845 INFO L158 Benchmark]: Boogie Preprocessor took 94.81ms. Allocated memory is still 98.6MB. Free memory was 78.3MB in the beginning and 76.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:22,846 INFO L158 Benchmark]: RCFGBuilder took 1191.87ms. Allocated memory is still 98.6MB. Free memory was 76.5MB in the beginning and 54.8MB in the end (delta: 21.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-19 03:37:22,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.4MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.98ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 37.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.70ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 37.3MB in the beginning and 78.3MB in the end (delta: -41.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.81ms. Allocated memory is still 98.6MB. Free memory was 78.3MB in the beginning and 76.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1191.87ms. Allocated memory is still 98.6MB. Free memory was 76.5MB in the beginning and 54.8MB in the end (delta: 21.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:37:22,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1804030e-8d52-4518-bafd-8330c9bc805d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_12~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_12~0);#t~ite7 := ~result_12~0;~result_12~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?