./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk --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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:02,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:02,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:30:02,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:30:02,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:30:02,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:02,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:02,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:02,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:02,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:02,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:02,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:02,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:02,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:30:02,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:02,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:02,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:02,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:02,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:02,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:02,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:02,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:02,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:02,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:02,789 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:02,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:02,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:02,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:02,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:02,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:02,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:02,795 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:30:02,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:30:02,796 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_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2024-11-09 00:30:03,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:03,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:03,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:03,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:03,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:03,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c Unable to find full path for "g++" [2024-11-09 00:30:05,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:05,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:05,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-11-09 00:30:05,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data/4f34c1408/68858b9eb5054f9c908db10c55474ec0/FLAG5289b03ec [2024-11-09 00:30:05,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data/4f34c1408/68858b9eb5054f9c908db10c55474ec0 [2024-11-09 00:30:05,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:05,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:05,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:05,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:05,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:05,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aecca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05, skipping insertion in model container [2024-11-09 00:30:05,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:05,769 WARN L250 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_78fc826a-3879-43cf-8183-dd9890b39af2/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2024-11-09 00:30:05,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:05,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:05,814 WARN L250 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_78fc826a-3879-43cf-8183-dd9890b39af2/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2024-11-09 00:30:05,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:05,832 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:05,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05 WrapperNode [2024-11-09 00:30:05,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:05,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:05,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:05,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:05,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,871 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2024-11-09 00:30:05,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:05,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:05,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:05,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:05,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:05,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:05,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:05,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:05,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:05" (1/1) ... [2024-11-09 00:30:05,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:05,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:05,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:05,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:05,994 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2024-11-09 00:30:05,994 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2024-11-09 00:30:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 00:30:05,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 00:30:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 00:30:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 00:30:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:30:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:30:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:30:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:30:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:30:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:06,001 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:30:06,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:06,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:06,506 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:30:06,506 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:06,598 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:06,624 WARN L1754 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:06,644 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:06,649 WARN L1754 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:06,664 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_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-09 00:30:06,672 INFO L158 Benchmark]: Toolchain (without parser) took 1199.51ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 72.6MB in the beginning and 133.6MB in the end (delta: -61.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:06,673 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 134.2MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:06,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.60ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 72.3MB in the beginning and 153.8MB in the end (delta: -81.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:06,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.05ms. Allocated memory is still 184.5MB. Free memory was 153.8MB in the beginning and 151.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:30:06,674 INFO L158 Benchmark]: Boogie Preprocessor took 26.28ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 150.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:06,675 INFO L158 Benchmark]: RCFGBuilder took 768.81ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 133.6MB in the end (delta: 17.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:30:06,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98ms. Allocated memory is still 134.2MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.60ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 72.3MB in the beginning and 153.8MB in the end (delta: -81.4MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.05ms. Allocated memory is still 184.5MB. Free memory was 153.8MB in the beginning and 151.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.28ms. Allocated memory is still 184.5MB. Free memory was 151.7MB in the beginning and 150.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 768.81ms. Allocated memory is still 184.5MB. Free memory was 150.6MB in the beginning and 133.6MB in the end (delta: 17.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #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_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:30:06,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk --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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:30:09,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:30:09,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:30:09,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:30:09,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:30:09,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:30:09,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:30:09,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:30:09,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:30:09,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:30:09,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:30:09,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:30:09,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:30:09,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:30:09,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:30:09,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:30:09,322 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:30:09,322 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:30:09,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:30:09,323 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:30:09,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:30:09,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:30:09,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:30:09,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:30:09,328 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:30:09,328 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:30:09,329 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:09,329 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:30:09,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:30:09,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:09,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:30:09,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:30:09,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:30:09,332 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:30:09,332 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:09,333 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:30:09,334 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_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2024-11-09 00:30:09,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:30:09,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:30:09,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:30:09,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:30:09,752 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:30:09,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c Unable to find full path for "g++" [2024-11-09 00:30:11,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:30:12,064 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:30:12,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-11-09 00:30:12,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data/c80f28c56/c485ac92f454489ba33ce7f4698cd9ef/FLAGb59ece6c8 [2024-11-09 00:30:12,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/data/c80f28c56/c485ac92f454489ba33ce7f4698cd9ef [2024-11-09 00:30:12,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:30:12,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:30:12,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:12,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:30:12,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:30:12,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f8a4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12, skipping insertion in model container [2024-11-09 00:30:12,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:30:12,722 WARN L250 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_78fc826a-3879-43cf-8183-dd9890b39af2/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2024-11-09 00:30:12,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:12,751 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:30:12,789 WARN L250 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_78fc826a-3879-43cf-8183-dd9890b39af2/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2024-11-09 00:30:12,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:30:12,819 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:30:12,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12 WrapperNode [2024-11-09 00:30:12,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:30:12,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:12,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:30:12,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:30:12,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,869 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2024-11-09 00:30:12,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:30:12,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:30:12,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:30:12,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:30:12,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:30:12,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:30:12,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:30:12,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:30:12,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:30:12" (1/1) ... [2024-11-09 00:30:12,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:30:12,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:30:12,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:30:12,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:30:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2024-11-09 00:30:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2024-11-09 00:30:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:30:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 00:30:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 00:30:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 00:30:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 00:30:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:30:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:30:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:30:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 00:30:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 00:30:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:30:12,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:30:12,997 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 00:30:13,144 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:30:13,148 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:30:13,544 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 00:30:13,544 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:30:13,609 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:13,627 WARN L1754 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:13,659 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:13,665 WARN L1754 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-09 00:30:13,683 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_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2024-11-09 00:30:13,690 INFO L158 Benchmark]: Toolchain (without parser) took 1279.67ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 58.5MB in the end (delta: 18.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-09 00:30:13,691 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:13,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.65ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 63.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:30:13,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.70ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:30:13,694 INFO L158 Benchmark]: Boogie Preprocessor took 42.30ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:30:13,695 INFO L158 Benchmark]: RCFGBuilder took 774.96ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-09 00:30:13,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.65ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 63.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.70ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.30ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.96ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 58.5MB in the end (delta: 1.3MB). Peak memory consumption was 10.6MB. 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_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #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_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:30:13,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78fc826a-3879-43cf-8183-dd9890b39af2/bin/ukojak-verify-ImItNfHLgk/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_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?