./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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 ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:24,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:24,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:58:24,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:24,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:24,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:24,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:24,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:24,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:24,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:24,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:24,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:24,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:24,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:24,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:24,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:24,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:24,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:24,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:24,993 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:24,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:24,995 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:24,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:24,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:24,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:24,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:24,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:25,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:25,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:25,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:25,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:25,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:25,003 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:25,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:25,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:25,004 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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-19 02:58:25,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:25,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:25,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:25,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:25,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:25,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:58:28,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:28,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:28,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:58:28,679 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data/563c3a01e/3ed7ddc009e747fd831cb5351588f4c4/FLAG5a0723968 [2023-11-19 02:58:28,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data/563c3a01e/3ed7ddc009e747fd831cb5351588f4c4 [2023-11-19 02:58:28,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:28,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:28,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:28,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:28,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:28,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:28,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685dcdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28, skipping insertion in model container [2023-11-19 02:58:28,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:28,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:28,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:28,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:28,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:28,975 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:28,975 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:28,988 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:28,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28 WrapperNode [2023-11-19 02:58:28,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:28,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:28,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:28,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:28,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,037 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2023-11-19 02:58:29,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:29,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:29,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:29,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:29,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:29,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:29,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:29,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:29,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:29,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:29,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:29,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:29,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:58:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:58:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:58:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:58:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:58:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:58:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:58:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:58:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:58:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:58:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:58:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:29,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:29,173 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 02:58:29,334 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:29,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:29,673 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:29,943 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:29,944 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:58:29,946 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 plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:58:29,951 INFO L158 Benchmark]: Toolchain (without parser) took 1243.98ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 69.5MB in the end (delta: 55.0MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:29,951 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 172.0MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:29,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.46ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 112.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:58:29,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.92ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:29,953 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 108.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:29,954 INFO L158 Benchmark]: RCFGBuilder took 874.12ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 69.5MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 02:58:29,957 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 172.0MB. Free memory is still 113.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.46ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 112.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.92ms. Allocated memory is still 172.0MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 108.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 874.12ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 69.5MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. 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 plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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 plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:30,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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 ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:32,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:32,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:58:32,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:32,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:32,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:32,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:32,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:32,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:32,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:32,910 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:32,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:32,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:32,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:32,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:32,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:32,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:58:32,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:58:32,915 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:32,915 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:58:32,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:32,917 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:32,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:32,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:32,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:32,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:32,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:32,920 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:32,920 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:32,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:32,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:32,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:32,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:32,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:32,923 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:58:32,923 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:32,923 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:32,923 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:58:32,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:32,924 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_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-19 02:58:33,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:33,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:33,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:33,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:33,368 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:33,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:58:36,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:36,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:36,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-19 02:58:36,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data/32285a8dc/2f653afc7ca24486b5adf981ce969f1e/FLAG601976e2c [2023-11-19 02:58:36,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/data/32285a8dc/2f653afc7ca24486b5adf981ce969f1e [2023-11-19 02:58:36,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:36,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:36,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:36,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:36,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:36,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:36" (1/1) ... [2023-11-19 02:58:36,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249c0165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:36, skipping insertion in model container [2023-11-19 02:58:36,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:36" (1/1) ... [2023-11-19 02:58:36,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:37,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:37,054 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 02:58:37,059 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:37,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:37,098 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:37,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:37,172 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:37,173 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:37,181 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:37,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37 WrapperNode [2023-11-19 02:58:37,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:37,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:37,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:37,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:37,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,263 INFO L138 Inliner]: procedures = 28, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 161 [2023-11-19 02:58:37,263 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:37,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:37,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:37,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:37,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:37,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:37,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:37,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:37,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:37" (1/1) ... [2023-11-19 02:58:37,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:37,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:37,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:37,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:37,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:58:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:58:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:58:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:58:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:58:37,423 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:58:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:58:37,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:58:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:58:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:58:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:58:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:58:37,428 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 02:58:37,652 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:37,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:38,186 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:38,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:38,517 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:58:38,520 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 plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:58:38,527 INFO L158 Benchmark]: Toolchain (without parser) took 1737.12ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 59.8MB in the beginning and 82.0MB in the end (delta: -22.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:38,528 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 154.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:38,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.43ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 45.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:58:38,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.57ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:38,531 INFO L158 Benchmark]: Boogie Preprocessor took 75.83ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 41.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:38,532 INFO L158 Benchmark]: RCFGBuilder took 1183.72ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 41.3MB in the beginning and 82.0MB in the end (delta: -40.7MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-19 02:58:38,542 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 59.4MB in the beginning and 59.3MB in the end (delta: 154.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.43ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 45.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.57ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.83ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 41.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1183.72ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 41.3MB in the beginning and 82.0MB in the end (delta: -40.7MB). Peak memory consumption was 12.2MB. 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 plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). 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 plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:38,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cff160e-3d81-4fa4-b4e1-a9636d3d5fb2/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 end of atomic block: havoc plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block?