./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/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_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk --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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:29,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:30,056 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:00:30,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:00:30,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:00:30,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:30,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:30,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:30,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:30,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:30,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:30,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:30,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:00:30,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:00:30,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:00:30,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:30,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:30,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:30,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:30,123 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:30,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:00:30,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:00:30,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:00:30,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:30,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:30,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:30,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:30,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:30,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:30,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:30,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:30,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:30,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:30,136 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:00:30,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:00:30,138 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_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-11-08 23:00:30,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:30,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:30,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:30,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:30,535 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:30,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c Unable to find full path for "g++" [2024-11-08 23:00:32,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:32,986 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:32,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-11-08 23:00:33,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data/fc9919d0c/5b12bdaaad134cf48a29bd6381ec439d/FLAG85ed05f1c [2024-11-08 23:00:33,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data/fc9919d0c/5b12bdaaad134cf48a29bd6381ec439d [2024-11-08 23:00:33,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:33,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:33,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:33,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:33,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:33,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58027aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33, skipping insertion in model container [2024-11-08 23:00:33,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:33,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:33,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:33,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:33,701 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:33,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33 WrapperNode [2024-11-08 23:00:33,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:33,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:33,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:33,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:33,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,747 INFO L138 Inliner]: procedures = 25, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122 [2024-11-08 23:00:33,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:33,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:33,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:33,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:33,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:33,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:33,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:33,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:33,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:33" (1/1) ... [2024-11-08 23:00:33,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:33,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:33,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:33,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:00:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 23:00:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 23:00:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 23:00:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 23:00:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 23:00:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 23:00:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 23:00:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 23:00:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:00:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:00:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:00:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:00:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-08 23:00:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-08 23:00:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:00:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:00:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:00:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:00:33,922 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 23:00:34,102 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:34,104 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:34,637 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:00:34,638 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:35,036 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-08 23:00:35,061 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: havoc #t~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:00:35,066 INFO L158 Benchmark]: Toolchain (without parser) took 1756.97ms. Allocated memory is still 125.8MB. Free memory was 77.0MB in the beginning and 70.9MB in the end (delta: 6.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-08 23:00:35,066 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:35,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.25ms. Allocated memory is still 125.8MB. Free memory was 76.8MB in the beginning and 61.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:00:35,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.06ms. Allocated memory is still 125.8MB. Free memory was 61.3MB in the beginning and 59.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:35,068 INFO L158 Benchmark]: Boogie Preprocessor took 70.64ms. Allocated memory is still 125.8MB. Free memory was 59.5MB in the beginning and 97.0MB in the end (delta: -37.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:35,069 INFO L158 Benchmark]: RCFGBuilder took 1244.52ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 70.9MB in the end (delta: 26.1MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:35,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.25ms. Allocated memory is still 125.8MB. Free memory was 76.8MB in the beginning and 61.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.06ms. Allocated memory is still 125.8MB. Free memory was 61.3MB in the beginning and 59.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.64ms. Allocated memory is still 125.8MB. Free memory was 59.5MB in the beginning and 97.0MB in the end (delta: -37.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1244.52ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 70.9MB in the end (delta: 26.1MB). Peak memory consumption was 49.1MB. 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: havoc #t~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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: havoc #t~mem15;#t~post16 := ~client_back~0;assume 1 + #t~post16 >= -2147483648;assume 1 + #t~post16 <= 2147483647;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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. [2024-11-08 23:00:35,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/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_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk --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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:00:37,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:00:37,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-08 23:00:37,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:00:37,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:00:37,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:00:37,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:00:37,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:00:37,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:00:37,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:00:37,656 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:00:37,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:00:37,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:00:37,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:00:37,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:00:37,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:00:37,660 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:00:37,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:00:37,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:00:37,664 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:00:37,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:00:37,664 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:00:37,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:00:37,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:00:37,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:00:37,670 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:00:37,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:00:37,671 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:00:37,671 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:37,671 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:00:37,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:00:37,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:37,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:00:37,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:00:37,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:00:37,673 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:00:37,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:37,674 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:00:37,674 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_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-11-08 23:00:38,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:00:38,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:00:38,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:00:38,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:00:38,128 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:00:38,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c Unable to find full path for "g++" [2024-11-08 23:00:40,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:00:40,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:00:40,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-11-08 23:00:40,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data/98be22b52/7154fc8b66194c4baa4d17471d8de974/FLAG943982760 [2024-11-08 23:00:40,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/data/98be22b52/7154fc8b66194c4baa4d17471d8de974 [2024-11-08 23:00:40,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:00:40,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:00:40,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:40,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:00:40,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:00:40,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:40" (1/1) ... [2024-11-08 23:00:40,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfa2c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:40, skipping insertion in model container [2024-11-08 23:00:40,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:00:40" (1/1) ... [2024-11-08 23:00:40,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:00:41,290 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 23:00:41,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:41,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:00:41,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:00:41,394 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:00:41,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41 WrapperNode [2024-11-08 23:00:41,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:00:41,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:41,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:00:41,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:00:41,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,461 INFO L138 Inliner]: procedures = 27, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 112 [2024-11-08 23:00:41,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:00:41,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:00:41,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:00:41,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:00:41,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:00:41,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:00:41,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:00:41,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:00:41,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:00:41" (1/1) ... [2024-11-08 23:00:41,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:00:41,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:00:41,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:00:41,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:00:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:00:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:00:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-08 23:00:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-08 23:00:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:00:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 23:00:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 23:00:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 23:00:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 23:00:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 23:00:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 23:00:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 23:00:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 23:00:41,669 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:00:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:00:41,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:00:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:00:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:00:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:00:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:00:41,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:00:41,675 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 23:00:41,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:00:41,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:00:42,871 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:00:42,872 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:00:43,312 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-08 23:00:43,340 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: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:00:43,348 INFO L158 Benchmark]: Toolchain (without parser) took 2484.80ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 34.9MB in the beginning and 52.6MB in the end (delta: -17.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-08 23:00:43,349 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:00:43,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.03ms. Allocated memory is still 65.0MB. Free memory was 34.7MB in the beginning and 34.2MB in the end (delta: 493.6kB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:43,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.67ms. Allocated memory is still 65.0MB. Free memory was 34.2MB in the beginning and 32.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:43,352 INFO L158 Benchmark]: Boogie Preprocessor took 94.02ms. Allocated memory is still 65.0MB. Free memory was 32.4MB in the beginning and 29.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:00:43,354 INFO L158 Benchmark]: RCFGBuilder took 1786.05ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 52.6MB in the end (delta: -22.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-08 23:00:43,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.03ms. Allocated memory is still 65.0MB. Free memory was 34.7MB in the beginning and 34.2MB in the end (delta: 493.6kB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.67ms. Allocated memory is still 65.0MB. Free memory was 34.2MB in the beginning and 32.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.02ms. Allocated memory is still 65.0MB. Free memory was 32.4MB in the beginning and 29.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1786.05ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 29.9MB in the beginning and 52.6MB in the end (delta: -22.8MB). Peak memory consumption was 18.0MB. 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: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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. [2024-11-08 23:00:43,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c7c06f5-6580-45c8-a2e3-855fc832ae4e/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: havoc #t~mem15;#t~post16 := ~client_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post16)), 2147483647bv33);~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block?