./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/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_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:38,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:38,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:35:38,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:35:38,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:35:39,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:39,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:39,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:39,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:39,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:39,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:39,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:39,039 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:39,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:39,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:39,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:39,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:39,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:39,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:39,048 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:35:39,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:35:39,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:39,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:39,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:39,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:39,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:39,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:39,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:39,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:39,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:39,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:39,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:39,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:35:39,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:35:39,055 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:39,055 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_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-19 03:35:39,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:39,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:39,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:39,401 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:39,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:39,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:35:42,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:42,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:42,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:35:42,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data/242ae2c16/64fa9a696d794d67be8954af4dc60fbf/FLAG7ae7471cd [2023-11-19 03:35:42,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data/242ae2c16/64fa9a696d794d67be8954af4dc60fbf [2023-11-19 03:35:42,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:42,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:42,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:42,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:42,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:42,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:42" (1/1) ... [2023-11-19 03:35:42,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b703f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:42, skipping insertion in model container [2023-11-19 03:35:42,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:42" (1/1) ... [2023-11-19 03:35:42,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:42,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:43,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:43,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:43,048 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:43,051 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:43,060 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:43,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43 WrapperNode [2023-11-19 03:35:43,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:43,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:43,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:43,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:43,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,125 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 159 [2023-11-19 03:35:43,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:43,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:43,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:43,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:43,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:43,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:43,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:43,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:43,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:43,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:43,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:43,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:35:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:35:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:35:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:35:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:35:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:35:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:35:43,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:35:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:35:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:35:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:35:43,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:43,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:43,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:43,265 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:35:43,378 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:43,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:43,768 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:44,020 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:44,021 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:35:44,023 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:35:44,031 INFO L158 Benchmark]: Toolchain (without parser) took 1275.32ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 69.6MB in the end (delta: 55.2MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-19 03:35:44,031 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:44,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.25ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 113.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:35:44,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.47ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:44,036 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 109.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:44,037 INFO L158 Benchmark]: RCFGBuilder took 866.14ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 69.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:35:44,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.25ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 113.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.47ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 110.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 159.4MB. Free memory was 110.9MB in the beginning and 109.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 866.14ms. Allocated memory is still 159.4MB. Free memory was 109.4MB in the beginning and 69.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:35:44,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/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_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:46,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:46,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:35:46,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:46,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:46,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:46,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:46,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:46,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:46,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:46,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:46,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:46,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:46,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:46,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:46,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:46,976 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:35:46,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:35:46,977 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:35:46,979 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:35:46,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:35:46,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:46,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:46,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:46,985 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:46,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:46,986 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:46,986 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:46,987 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:46,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:46,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:46,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:46,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:46,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:46,990 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:35:46,991 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:46,991 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:46,991 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:35:46,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:46,992 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_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-19 03:35:47,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:47,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:47,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:47,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:47,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:47,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:35:50,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:51,004 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:51,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:35:51,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data/50d312ca1/1ebe46eadad341da9dc1df558cdb72d0/FLAG4cb76ca6a [2023-11-19 03:35:51,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/data/50d312ca1/1ebe46eadad341da9dc1df558cdb72d0 [2023-11-19 03:35:51,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:51,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:51,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:51,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:51,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:51,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7362bb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51, skipping insertion in model container [2023-11-19 03:35:51,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:51,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:51,370 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:35:51,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:51,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:51,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:51,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:51,506 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:51,507 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:51,516 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:51,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51 WrapperNode [2023-11-19 03:35:51,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:51,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:51,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:51,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:51,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,606 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 155 [2023-11-19 03:35:51,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:51,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:51,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:51,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:51,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:51,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:51,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:51,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:51,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:51" (1/1) ... [2023-11-19 03:35:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:51,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:51,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:51,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:35:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:35:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:35:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:35:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:35:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:35:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:35:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:35:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:35:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:35:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:35:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:35:51,784 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:35:51,969 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:51,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:52,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:52,753 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:52,753 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:35:52,755 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:35:52,760 INFO L158 Benchmark]: Toolchain (without parser) took 1706.93ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 78.8MB in the end (delta: -640.2kB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,761 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:52,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.65ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 64.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.25ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,763 INFO L158 Benchmark]: Boogie Preprocessor took 76.42ms. Allocated memory is still 102.8MB. Free memory was 62.1MB in the beginning and 60.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,764 INFO L158 Benchmark]: RCFGBuilder took 1074.72ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 78.8MB in the end (delta: -18.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.65ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 64.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.25ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.42ms. Allocated memory is still 102.8MB. Free memory was 62.1MB in the beginning and 60.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1074.72ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 78.8MB in the end (delta: -18.6MB). 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:35:52,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0ccfc1-bcdc-4791-ac9a-a5548524bd1c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: 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?