./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC --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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:22,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:22,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:22,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:22,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:22,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:22,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:22,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:22,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:22,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:22,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:22,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:22,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:22,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:22,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:22,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:22,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:22,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:22,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:22,246 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:22,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:22,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:22,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:22,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:22,249 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:22,250 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:22,250 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:22,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:22,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:22,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:22,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:22,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:22,253 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:22,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:22,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:22,255 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_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-23 20:05:22,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:22,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:22,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:22,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:22,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:22,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-23 20:05:25,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:25,891 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:25,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-23 20:05:25,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data/df521f4a8/d99c60c581cf422698ace03ebbac82d8/FLAGb6a5a4585 [2023-11-23 20:05:25,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data/df521f4a8/d99c60c581cf422698ace03ebbac82d8 [2023-11-23 20:05:25,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:25,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:25,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:25,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:25,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:25,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:25" (1/1) ... [2023-11-23 20:05:25,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5287efe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:25, skipping insertion in model container [2023-11-23 20:05:25,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:25" (1/1) ... [2023-11-23 20:05:25,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:26,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:26,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:26,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:26,235 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:26,235 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:26,242 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:26,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26 WrapperNode [2023-11-23 20:05:26,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:26,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:26,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:26,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:26,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,311 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 159 [2023-11-23 20:05:26,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:26,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:26,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:26,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:26,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:26,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:26,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:26,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:26,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:26" (1/1) ... [2023-11-23 20:05:26,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:26,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:26,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:26,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:05:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:05:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:05:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:05:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:05:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:05:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:05:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:05:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:05:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:05:26,469 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:05:26,580 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:26,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:27,055 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:27,302 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: call #t~mem2#1 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~0#1, 4);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem2#1;havoc plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short20#1 := plus_~b#1 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short20#1;ParallelCodeBlock1: assume !plus_#t~short20#1;assume -2147483648 - plus_~b#1 >= -9223372036854775808;assume -2147483648 - plus_~b#1 <= 9223372036854775807;plus_#t~short20#1 := plus_~a#1 >= -2147483648 - plus_~b#1;}EndParallelComposition). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:05:27,316 INFO L158 Benchmark]: Toolchain (without parser) took 1393.15ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 96.7MB in the beginning and 132.4MB in the end (delta: -35.7MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-23 20:05:27,317 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:05:27,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.20ms. Allocated memory is still 140.5MB. Free memory was 96.3MB in the beginning and 84.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:05:27,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.74ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:05:27,319 INFO L158 Benchmark]: Boogie Preprocessor took 80.39ms. Allocated memory is still 140.5MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:05:27,320 INFO L158 Benchmark]: RCFGBuilder took 919.88ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 81.0MB in the beginning and 132.4MB in the end (delta: -51.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-23 20:05:27,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.20ms. Allocated memory is still 140.5MB. Free memory was 96.3MB in the beginning and 84.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.74ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.39ms. Allocated memory is still 140.5MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 919.88ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 81.0MB in the beginning and 132.4MB in the end (delta: -51.4MB). Peak memory consumption was 26.6MB. 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: call #t~mem2#1 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~0#1, 4);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem2#1;havoc plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short20#1 := plus_~b#1 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short20#1;ParallelCodeBlock1: assume !plus_#t~short20#1;assume -2147483648 - plus_~b#1 >= -9223372036854775808;assume -2147483648 - plus_~b#1 <= 9223372036854775807;plus_#t~short20#1 := plus_~a#1 >= -2147483648 - plus_~b#1;}EndParallelComposition). 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: call #t~mem2#1 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~0#1, 4);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem2#1;havoc plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short20#1 := plus_~b#1 >= 0;BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short20#1;ParallelCodeBlock1: assume !plus_#t~short20#1;assume -2147483648 - plus_~b#1 >= -9223372036854775808;assume -2147483648 - plus_~b#1 <= 9223372036854775807;plus_#t~short20#1 := plus_~a#1 >= -2147483648 - plus_~b#1;}EndParallelComposition). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:05:27,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC --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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:30,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:30,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:05:30,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:30,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:30,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:30,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:30,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:30,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:30,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:30,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:30,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:30,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:30,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:30,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:30,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:30,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:05:30,465 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:05:30,465 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:30,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:05:30,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:30,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:30,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:30,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:30,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:30,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:30,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:30,469 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:05:30,470 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:05:30,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:30,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:30,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:30,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:30,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:30,473 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:05:30,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:05:30,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:30,474 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:05:30,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:05:30,475 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_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-23 20:05:30,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:30,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:30,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:30,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:30,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:30,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-23 20:05:34,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:34,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:34,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-23 20:05:34,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data/4dfdc6d0e/8e280cd657c449f5ab612ca4fc30334d/FLAGa382344a8 [2023-11-23 20:05:34,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/data/4dfdc6d0e/8e280cd657c449f5ab612ca4fc30334d [2023-11-23 20:05:34,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:34,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:34,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:34,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:34,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:34,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:34" (1/1) ... [2023-11-23 20:05:34,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e8a689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:34, skipping insertion in model container [2023-11-23 20:05:34,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:34" (1/1) ... [2023-11-23 20:05:34,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:34,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:34,828 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:05:34,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:34,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:34,903 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:34,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:34,993 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:34,994 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:35,002 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:35,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35 WrapperNode [2023-11-23 20:05:35,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:35,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:35,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:35,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:35,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,072 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 155 [2023-11-23 20:05:35,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:35,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:35,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:35,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:35,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:35,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:35,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:35,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:35,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:35" (1/1) ... [2023-11-23 20:05:35,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:35,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:35,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:35,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:05:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:05:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:05:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:05:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:05:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:05:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:05:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:05:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:05:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:05:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:05:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:05:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:05:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:05:35,210 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:05:35,395 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:35,398 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:35,910 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:36,170 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: call #t~mem2#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem2#1;havoc plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short20#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short20#1;ParallelCodeBlock1: assume !plus_#t~short20#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short20#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}EndParallelComposition). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:05:36,182 INFO L158 Benchmark]: Toolchain (without parser) took 1706.27ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 43.1MB in the beginning and 38.0MB in the end (delta: 5.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-23 20:05:36,182 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:05:36,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.49ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 42.9MB in the beginning and 63.4MB in the end (delta: -20.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-23 20:05:36,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.58ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:05:36,186 INFO L158 Benchmark]: Boogie Preprocessor took 40.31ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:05:36,188 INFO L158 Benchmark]: RCFGBuilder took 1064.37ms. Allocated memory is still 86.0MB. Free memory was 59.3MB in the beginning and 38.0MB in the end (delta: 21.4MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-23 20:05:36,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.49ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 42.9MB in the beginning and 63.4MB in the end (delta: -20.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.58ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.31ms. Allocated memory is still 86.0MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1064.37ms. Allocated memory is still 86.0MB. Free memory was 59.3MB in the beginning and 38.0MB in the end (delta: 21.4MB). Peak memory consumption was 23.0MB. 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: call #t~mem2#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem2#1;havoc plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short20#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short20#1;ParallelCodeBlock1: assume !plus_#t~short20#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short20#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}EndParallelComposition). 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: call #t~mem2#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem2#1;havoc plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short20#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short20#1;ParallelCodeBlock1: assume !plus_#t~short20#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short20#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}EndParallelComposition). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:05:36,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b777f83-72e1-414c-a3ff-972063d355f6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem2#1 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~0#1)), 4bv32);assume { :begin_inline_plus } true;plus_#in~a#1, plus_#in~b#1 := ~counter~0, #t~mem2#1;havoc plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;plus_#t~short20#1 := ~bvsge~32(plus_~b#1, 0bv32);BeginParallelComposition{ParallelCodeBlock0: assume plus_#t~short20#1;ParallelCodeBlock1: assume !plus_#t~short20#1;assume ~bvsle~65(27670116110564327424bv65, ~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))));assume ~bvsle~65(~bvsub~65(36893488145271619584bv65, ~sign_extend~65~64(~sign_extend~64~32(plus_~b#1))), 9223372036854775807bv65);plus_#t~short20#1 := ~bvsge~64(~sign_extend~64~32(plus_~a#1), ~bvsub~64(18446744071562067968bv64, ~sign_extend~64~32(plus_~b#1)));}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?