./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/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_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/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_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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 03:05:18,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:18,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:05:18,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:05:18,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:05:18,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:18,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:18,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:18,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:18,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:18,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:18,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:18,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:18,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:05:18,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:18,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:18,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:18,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:18,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:18,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:18,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:18,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:18,850 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:18,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:18,851 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:18,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:18,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:18,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:18,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:18,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:18,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:05:18,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:05:18,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:18,856 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_80cd1067-339f-4292-a246-e0cd3520dd6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-19 03:05:19,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:19,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:19,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:19,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:19,203 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:19,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:05:22,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:22,638 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:22,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:05:22,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data/d15c58ec9/5e61158ca0b0471799d8dad2f14fdc45/FLAGc4ea06831 [2023-11-19 03:05:22,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data/d15c58ec9/5e61158ca0b0471799d8dad2f14fdc45 [2023-11-19 03:05:22,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:22,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:22,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:22,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:22,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:22,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:22" (1/1) ... [2023-11-19 03:05:22,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe28344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:22, skipping insertion in model container [2023-11-19 03:05:22,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:22" (1/1) ... [2023-11-19 03:05:22,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:22,949 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2023-11-19 03:05:22,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:22,977 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:23,001 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2023-11-19 03:05:23,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:23,017 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:23,017 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:23,025 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:23,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23 WrapperNode [2023-11-19 03:05:23,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:23,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:23,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:23,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:23,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,086 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2023-11-19 03:05:23,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:23,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:23,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:23,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:23,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:23,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:23,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:23,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:23,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:23" (1/1) ... [2023-11-19 03:05:23,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:23,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:23,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:23,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:05:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:05:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:05:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:05:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:05:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:05:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:05:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:05:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:05:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:23,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:23,211 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 03:05:23,377 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:23,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:23,687 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:23,809 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:23,809 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:05:23,812 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_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java: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 03:05:23,818 INFO L158 Benchmark]: Toolchain (without parser) took 1136.02ms. Allocated memory is still 165.7MB. Free memory was 133.4MB in the beginning and 93.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,818 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 165.7MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:23,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.26ms. Allocated memory is still 165.7MB. Free memory was 133.4MB in the beginning and 121.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.44ms. Allocated memory is still 165.7MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,821 INFO L158 Benchmark]: Boogie Preprocessor took 31.91ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 117.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,821 INFO L158 Benchmark]: RCFGBuilder took 696.02ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 93.6MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:23,829 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 165.7MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.26ms. Allocated memory is still 165.7MB. Free memory was 133.4MB in the beginning and 121.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.44ms. Allocated memory is still 165.7MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.91ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 117.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.02ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 93.6MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. 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~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_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling 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_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:05:23,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/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 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_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/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_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/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_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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 03:05:26,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:05:26,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:05:26,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:05:26,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:05:26,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:05:26,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:05:26,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:05:26,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:05:26,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:05:26,863 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:05:26,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:05:26,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:05:26,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:05:26,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:05:26,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:05:26,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:05:26,868 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:05:26,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:05:26,869 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:05:26,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:05:26,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:05:26,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:05:26,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:05:26,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:05:26,873 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:05:26,873 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:05:26,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:05:26,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:26,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:05:26,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:05:26,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:05:26,877 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:05:26,877 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:05:26,878 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:05:26,878 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:05:26,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:05:26,879 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_80cd1067-339f-4292-a246-e0cd3520dd6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-19 03:05:27,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:05:27,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:05:27,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:05:27,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:05:27,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:05:27,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:05:30,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:05:30,743 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:05:30,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-19 03:05:30,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data/55d114e28/2c9b473fbbff40fbb875cdbbb8f5f10c/FLAGfbe13dd3f [2023-11-19 03:05:30,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/data/55d114e28/2c9b473fbbff40fbb875cdbbb8f5f10c [2023-11-19 03:05:30,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:05:30,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:05:30,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:30,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:05:30,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:05:30,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:30" (1/1) ... [2023-11-19 03:05:30,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c71382a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:30, skipping insertion in model container [2023-11-19 03:05:30,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:05:30" (1/1) ... [2023-11-19 03:05:30,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:31,097 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2023-11-19 03:05:31,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:31,147 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:05:31,159 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:05:31,186 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2023-11-19 03:05:31,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:31,199 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:05:31,238 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2023-11-19 03:05:31,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:05:31,260 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:31,261 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:05:31,269 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:05:31,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31 WrapperNode [2023-11-19 03:05:31,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:05:31,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:31,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:05:31,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:05:31,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,344 INFO L138 Inliner]: procedures = 28, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2023-11-19 03:05:31,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:05:31,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:05:31,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:05:31,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:05:31,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:05:31,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:05:31,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:05:31,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:05:31,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:05:31" (1/1) ... [2023-11-19 03:05:31,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:05:31,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:05:31,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:05:31,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:05:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:05:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:05:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:05:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:05:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:05:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:05:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:05:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:05:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:05:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:05:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:05:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:05:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:05:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:05:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:05:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:05:31,569 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 03:05:31,720 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:05:31,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:05:32,085 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:05:32,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:05:32,257 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:05:32,260 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_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java: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 03:05:32,264 INFO L158 Benchmark]: Toolchain (without parser) took 1482.46ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 55.8MB in the beginning and 54.1MB in the end (delta: 1.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:05:32,264 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:32,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.47ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 41.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:05:32,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.05ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:05:32,266 INFO L158 Benchmark]: Boogie Preprocessor took 71.48ms. Allocated memory is still 79.7MB. Free memory was 40.1MB in the beginning and 38.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:05:32,267 INFO L158 Benchmark]: RCFGBuilder took 844.76ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 38.2MB in the beginning and 54.1MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:05:32,278 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.47ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 41.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.05ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.48ms. Allocated memory is still 79.7MB. Free memory was 40.1MB in the beginning and 38.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.76ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 38.2MB in the beginning and 54.1MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem2#1 := read~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_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling 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_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:05:32,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80cd1067-339f-4292-a246-e0cd3520dd6f/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_~a#1, plus_~b#1;plus_~a#1 := plus_#in~a#1;plus_~b#1 := plus_#in~b#1;). Is there illegal control flow (e.g. loops) within an atomic block?