./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 0e0057cc 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_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/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_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:56:57,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:57,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:56:57,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:57,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:57,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:57,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:57,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:57,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:57,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:57,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:57,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:57,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:57,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:57,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:57,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:57,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:57,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:57,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:57,163 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:57,164 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:57,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:57,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:57,169 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:57,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:57,170 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:57,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:57,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:57,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:57,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:57,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:57,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:57,173 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:57,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:57,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:57,175 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_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-24 22:56:57,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:57,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:57,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:57,509 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:57,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:57,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:57:00,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:00,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:00,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:57:00,869 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data/4d3230850/a57030b6a8104ed69bf8d490b43e416a/FLAG9460855a7 [2023-11-24 22:57:00,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data/4d3230850/a57030b6a8104ed69bf8d490b43e416a [2023-11-24 22:57:00,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:00,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:00,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:00,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:00,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:00,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:00" (1/1) ... [2023-11-24 22:57:00,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff3544b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:00, skipping insertion in model container [2023-11-24 22:57:00,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:00" (1/1) ... [2023-11-24 22:57:00,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:01,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:01,188 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:01,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:01,244 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:01,244 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:01,250 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:01,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01 WrapperNode [2023-11-24 22:57:01,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:01,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:01,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:01,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:01,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,296 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 159 [2023-11-24 22:57:01,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:01,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:01,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:01,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:01,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:01,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:01,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:01,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:01,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:01" (1/1) ... [2023-11-24 22:57:01,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:01,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:01,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:01,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:57:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:57:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:57:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:57:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:57:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:57:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:57:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:57:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:57:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:57:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:01,452 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:57:01,580 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:01,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:02,032 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:02,289 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) [2023-11-24 22:57:02,297 INFO L158 Benchmark]: Toolchain (without parser) took 1398.24ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 101.1MB in the end (delta: 14.7MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-24 22:57:02,298 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:02,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.22ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 103.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:02,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.65ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 101.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:02,301 INFO L158 Benchmark]: Boogie Preprocessor took 46.83ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 99.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:02,302 INFO L158 Benchmark]: RCFGBuilder took 946.18ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 101.1MB in the end (delta: -1.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:02,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.22ms. Allocated memory is still 159.4MB. Free memory was 115.5MB in the beginning and 103.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.65ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 101.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.83ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 99.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 946.18ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 101.1MB in the end (delta: -1.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: 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. [2023-11-24 22:57:02,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/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 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_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/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_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:57:04,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:05,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:57:05,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:05,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:05,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:05,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:05,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:05,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:05,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:05,149 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:05,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:05,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:05,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:05,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:05,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:05,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:57:05,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:57:05,154 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:57:05,155 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:57:05,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:05,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:05,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:05,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:05,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:05,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:05,159 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:05,159 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:05,160 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:05,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:05,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:05,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:05,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:05,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:05,163 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:57:05,163 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:05,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:05,164 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:57:05,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:05,165 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_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-24 22:57:05,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:05,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:05,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:05,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:05,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:05,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:57:08,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:09,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:09,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-24 22:57:09,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data/4c463839c/7c5acaa8af874a869da8effd19b92ee2/FLAG31cd28652 [2023-11-24 22:57:09,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/data/4c463839c/7c5acaa8af874a869da8effd19b92ee2 [2023-11-24 22:57:09,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:09,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:09,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:09,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:09,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:09,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad3cfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09, skipping insertion in model container [2023-11-24 22:57:09,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:09,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:09,440 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:57:09,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:09,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:09,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:09,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:09,574 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:09,574 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:09,582 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:09,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09 WrapperNode [2023-11-24 22:57:09,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:09,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:09,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:09,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:09,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,662 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 155 [2023-11-24 22:57:09,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:09,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:09,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:09,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:09,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:09,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:09,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:09,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:09,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:09" (1/1) ... [2023-11-24 22:57:09,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:09,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:09,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:09,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:57:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:57:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:57:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:57:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:57:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:57:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:57:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:57:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:57:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:57:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:57:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:57:09,806 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:57:09,952 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:09,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:10,473 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:10,691 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) [2023-11-24 22:57:10,700 INFO L158 Benchmark]: Toolchain (without parser) took 1552.89ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 47.4MB in the end (delta: 36.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-24 22:57:10,701 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:10,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.45ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 69.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:57:10,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.71ms. Allocated memory is still 107.0MB. Free memory was 69.3MB in the beginning and 67.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:10,703 INFO L158 Benchmark]: Boogie Preprocessor took 72.64ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 65.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:10,709 INFO L158 Benchmark]: RCFGBuilder took 961.29ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 47.4MB in the end (delta: 17.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-24 22:57:10,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.45ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 69.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.71ms. Allocated memory is still 107.0MB. Free memory was 69.3MB in the beginning and 67.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.64ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 65.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 961.29ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 47.4MB in the end (delta: 17.9MB). Peak memory consumption was 19.0MB. 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. [2023-11-24 22:57:10,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d54ece61-ec80-4fc4-8ab3-2bb40e9e6275/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: 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?