./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 527bcce2 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_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/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_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:30:37,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:37,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:30:37,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:37,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:37,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:37,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:37,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:37,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:37,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:37,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:37,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:37,913 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:37,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:37,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:37,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:37,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:37,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:37,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:37,919 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:37,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:37,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:37,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:37,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:37,924 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:37,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:37,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:37,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:37,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:37,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:37,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:37,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:37,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:37,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:37,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:37,945 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_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-21 18:30:38,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:38,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:38,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:38,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:38,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:38,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-21 18:30:41,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:41,936 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:41,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-21 18:30:41,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data/81098e978/57495ee266594ae2affbc1daf5e89f07/FLAG1dd9d3780 [2023-11-21 18:30:41,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data/81098e978/57495ee266594ae2affbc1daf5e89f07 [2023-11-21 18:30:41,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:41,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:41,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:41,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:41,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:41,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:41" (1/1) ... [2023-11-21 18:30:41,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573994b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:41, skipping insertion in model container [2023-11-21 18:30:41,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:41" (1/1) ... [2023-11-21 18:30:42,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:42,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:42,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:42,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:42,327 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:42,329 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:42,339 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:42,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42 WrapperNode [2023-11-21 18:30:42,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:42,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:42,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:42,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:42,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,402 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 159 [2023-11-21 18:30:42,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:42,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:42,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:42,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:42,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:42,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:42,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:42,454 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:42,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:42" (1/1) ... [2023-11-21 18:30:42,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:42,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:42,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:42,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:30:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:30:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:30:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:30:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:30:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:30:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:30:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:30:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:30:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:30:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:42,610 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:30:42,824 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:42,827 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:43,230 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:43,544 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:30:43,549 INFO L158 Benchmark]: Toolchain (without parser) took 1577.73ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 89.8MB in the end (delta: 35.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 18:30:43,549 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:43,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.99ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 113.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:30:43,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.94ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:43,552 INFO L158 Benchmark]: Boogie Preprocessor took 48.76ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 109.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:43,553 INFO L158 Benchmark]: RCFGBuilder took 1093.55ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 89.8MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:30:43,557 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 119.5MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.99ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 113.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.94ms. Allocated memory is still 157.3MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.76ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 109.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1093.55ms. Allocated memory is still 157.3MB. Free memory was 108.9MB in the beginning and 89.8MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:30:43,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/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_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/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_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:30:46,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:46,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:30:46,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:46,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:46,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:46,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:46,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:46,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:46,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:46,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:46,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:46,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:46,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:46,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:46,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:46,666 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:30:46,666 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:30:46,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:46,668 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:30:46,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:46,669 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:46,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:46,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:46,671 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:46,672 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:46,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:46,673 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:30:46,673 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:30:46,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:46,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:46,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:46,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:46,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:46,677 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:30:46,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:30:46,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:46,678 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:30:46,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:30:46,679 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_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-21 18:30:47,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:47,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:47,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:47,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:47,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:47,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-21 18:30:50,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:50,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:50,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-21 18:30:50,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data/d3cdbd62b/60d2eef72cc441f29147acc4b017c90d/FLAGd3c5ee350 [2023-11-21 18:30:50,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/data/d3cdbd62b/60d2eef72cc441f29147acc4b017c90d [2023-11-21 18:30:50,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:50,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:50,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:50,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:51,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:51,002 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:50" (1/1) ... [2023-11-21 18:30:51,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cdb3e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51, skipping insertion in model container [2023-11-21 18:30:51,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:50" (1/1) ... [2023-11-21 18:30:51,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:51,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:51,326 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:30:51,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:51,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:51,384 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:51,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:51,479 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:51,480 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:51,487 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:51,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51 WrapperNode [2023-11-21 18:30:51,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:51,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:51,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:51,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:51,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,563 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 155 [2023-11-21 18:30:51,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:51,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:51,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:51,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:51,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:51,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:51,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:51,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:51,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:51,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:51,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:51,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:30:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:30:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:30:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:30:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:30:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:30:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:30:51,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:30:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:30:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:30:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:30:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:51,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:30:51,711 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:30:51,826 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:51,828 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:52,233 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:52,470 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:30:52,477 INFO L158 Benchmark]: Toolchain (without parser) took 1481.28ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 47.6MB in the beginning and 58.7MB in the end (delta: -11.0MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-21 18:30:52,477 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:52,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.23ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 53.2MB in the end (delta: -5.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-21 18:30:52,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.80ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:52,479 INFO L158 Benchmark]: Boogie Preprocessor took 54.10ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 49.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:52,480 INFO L158 Benchmark]: RCFGBuilder took 855.32ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 49.3MB in the beginning and 58.7MB in the end (delta: -9.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:52,483 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.23ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 53.2MB in the end (delta: -5.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.80ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.10ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 49.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 855.32ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 49.3MB in the beginning and 58.7MB in the end (delta: -9.4MB). Peak memory consumption was 27.1MB. 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:30:52,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eecc0e18-0dcc-4cc7-9340-5e8b3bba78bb/bin/ukojak-verify-i0I2FZA1j2/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?