./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:49:56,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:49:57,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:49:57,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:49:57,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:49:57,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:49:57,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:49:57,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:49:57,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:49:57,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:49:57,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:49:57,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:49:57,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:49:57,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:49:57,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:49:57,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:49:57,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:49:57,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:49:57,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:49:57,171 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:49:57,171 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:49:57,172 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:49:57,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:49:57,173 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:49:57,174 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:49:57,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:49:57,175 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:49:57,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:49:57,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:49:57,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:49:57,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:49:57,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:49:57,181 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:49:57,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:49:57,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:49:57,182 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_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2023-11-19 02:49:57,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:49:57,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:49:57,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:49:57,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:49:57,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:49:57,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-19 02:50:01,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:01,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:01,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-19 02:50:01,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data/3128c87e5/a79dac2f856640068a00e9326a2664b1/FLAG6038967b6 [2023-11-19 02:50:01,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data/3128c87e5/a79dac2f856640068a00e9326a2664b1 [2023-11-19 02:50:01,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:01,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:01,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:01,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:01,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:01,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:01,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98a0c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01, skipping insertion in model container [2023-11-19 02:50:01,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:01,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:01,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:01,900 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:01,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:01,951 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:01,956 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:01,965 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:01,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01 WrapperNode [2023-11-19 02:50:01,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:01,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:01,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:01,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:01,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:01,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,011 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-19 02:50:02,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:02,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:02,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:02,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:02,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:02,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:02,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:02,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:02,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:01" (1/1) ... [2023-11-19 02:50:02,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:02,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:02,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:02,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:50:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:50:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:50:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:50:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:50:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:50:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:50:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:50:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 02:50:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 02:50:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:50:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:50:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:50:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:02,163 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:50:02,361 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:02,364 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:02,773 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:03,012 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:03,012 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:50:03,014 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:50:03,020 INFO L158 Benchmark]: Toolchain (without parser) took 1447.00ms. Allocated memory is still 180.4MB. Free memory was 140.7MB in the beginning and 93.7MB in the end (delta: 47.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:03,020 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:03,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.67ms. Allocated memory is still 180.4MB. Free memory was 140.7MB in the beginning and 129.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:50:03,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.21ms. Allocated memory is still 180.4MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:03,023 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 126.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:03,024 INFO L158 Benchmark]: RCFGBuilder took 955.35ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 93.7MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 02:50:03,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.67ms. Allocated memory is still 180.4MB. Free memory was 140.7MB in the beginning and 129.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.21ms. Allocated memory is still 180.4MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 180.4MB. Free memory was 127.3MB in the beginning and 126.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 955.35ms. Allocated memory is still 180.4MB. Free memory was 126.0MB in the beginning and 93.7MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:50:03,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:05,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:06,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:50:06,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:06,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:06,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:06,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:06,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:06,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:06,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:06,144 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:06,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:06,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:06,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:06,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:06,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:06,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:50:06,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:50:06,150 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:50:06,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:50:06,151 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:50:06,151 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:06,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:06,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:06,153 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:06,154 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:06,154 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:06,154 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:06,155 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:06,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:06,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:06,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:06,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:06,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:06,158 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:50:06,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:06,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:06,159 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:50:06,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:06,161 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2023-11-19 02:50:06,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:06,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:06,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:06,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:06,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:06,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-19 02:50:10,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:10,347 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:10,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-19 02:50:10,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data/eb048665b/64c1f05fc2ab438fbdd324d334041b94/FLAG44f0a3b1d [2023-11-19 02:50:10,375 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/data/eb048665b/64c1f05fc2ab438fbdd324d334041b94 [2023-11-19 02:50:10,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:10,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:10,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:10,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:10,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:10,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c386ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10, skipping insertion in model container [2023-11-19 02:50:10,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:10,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:10,689 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:50:10,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:10,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:10,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:10,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:10,821 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:10,821 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:50:10,829 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:10,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10 WrapperNode [2023-11-19 02:50:10,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:10,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:10,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:10,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:10,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,874 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-11-19 02:50:10,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:10,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:10,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:10,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:10,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:10,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:10,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:10,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:10,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:10" (1/1) ... [2023-11-19 02:50:10,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:11,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:11,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:11,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:50:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:50:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 02:50:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 02:50:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:50:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:50:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:50:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:50:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:50:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:50:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:50:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:50:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:50:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:50:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:50:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:50:11,065 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:50:11,290 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:11,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:11,715 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:12,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:12,044 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:50:12,046 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:50:12,053 INFO L158 Benchmark]: Toolchain (without parser) took 1671.87ms. Allocated memory was 83.9MB in the beginning and 130.0MB in the end (delta: 46.1MB). Free memory was 59.7MB in the beginning and 95.5MB in the end (delta: -35.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-19 02:50:12,054 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:12,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.75ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 45.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:50:12,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.85ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:12,057 INFO L158 Benchmark]: Boogie Preprocessor took 89.97ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:12,058 INFO L158 Benchmark]: RCFGBuilder took 1085.06ms. Allocated memory was 83.9MB in the beginning and 130.0MB in the end (delta: 46.1MB). Free memory was 42.0MB in the beginning and 95.5MB in the end (delta: -53.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-19 02:50:12,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.75ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 45.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.85ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.97ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1085.06ms. Allocated memory was 83.9MB in the beginning and 130.0MB in the end (delta: 46.1MB). Free memory was 42.0MB in the beginning and 95.5MB in the end (delta: -53.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:50:12,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4092f2ad-056c-43f5-962c-52a51ea2318c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?