./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9 --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 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:11:09,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:11:09,589 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:11:09,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:11:09,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:11:09,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:11:09,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:11:09,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:11:09,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:11:09,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:11:09,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:11:09,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:11:09,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:11:09,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:11:09,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:11:09,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:11:09,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:11:09,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:11:09,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:11:09,631 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:11:09,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:11:09,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:11:09,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:11:09,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:11:09,634 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:11:09,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:11:09,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:11:09,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:11:09,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:09,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:11:09,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:11:09,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:11:09,637 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:11:09,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:11:09,638 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:11:09,638 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_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2023-12-02 23:11:09,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:11:09,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:11:09,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:11:09,935 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:11:09,935 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:11:09,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-02 23:11:13,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:11:13,483 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:11:13,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-02 23:11:13,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data/82b6294f1/6ca145e9ce164c4fbb75ae6676d8511a/FLAG44780bf74 [2023-12-02 23:11:13,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data/82b6294f1/6ca145e9ce164c4fbb75ae6676d8511a [2023-12-02 23:11:13,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:11:13,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:11:13,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:13,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:11:13,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:11:13,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2cb7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13, skipping insertion in model container [2023-12-02 23:11:13,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,552 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:11:13,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:13,788 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:11:13,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:13,842 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:13,843 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:13,850 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:11:13,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13 WrapperNode [2023-12-02 23:11:13,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:13,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:13,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:11:13,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:11:13,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,902 INFO L138 Inliner]: procedures = 25, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-12-02 23:11:13,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:13,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:11:13,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:11:13,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:11:13,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:11:13,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:11:13,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:11:13,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:11:13,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:13" (1/1) ... [2023-12-02 23:11:13,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:13,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:11:13,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:11:13,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:11:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:11:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:11:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:11:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 23:11:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 23:11:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:11:14,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:11:14,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:11:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:11:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:11:14,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:11:14,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:11:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:11:14,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:11:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:11:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:11:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:11:14,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:11:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:11:14,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:11:14,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:11:14,038 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:11:14,181 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:11:14,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:11:14,654 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:11:14,852 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-02 23:11:14,860 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1843) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1707) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-02 23:11:14,865 INFO L158 Benchmark]: Toolchain (without parser) took 1353.24ms. Allocated memory is still 180.4MB. Free memory was 135.1MB in the beginning and 112.3MB in the end (delta: 22.9MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-02 23:11:14,866 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:11:14,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.13ms. Allocated memory is still 180.4MB. Free memory was 134.6MB in the beginning and 122.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:11:14,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.25ms. Allocated memory is still 180.4MB. Free memory was 121.5MB in the beginning and 120.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:11:14,868 INFO L158 Benchmark]: Boogie Preprocessor took 46.35ms. Allocated memory is still 180.4MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:11:14,869 INFO L158 Benchmark]: RCFGBuilder took 911.83ms. Allocated memory is still 180.4MB. Free memory was 117.9MB in the beginning and 112.3MB in the end (delta: 5.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-12-02 23:11:14,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.13ms. Allocated memory is still 180.4MB. Free memory was 134.6MB in the beginning and 122.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.25ms. Allocated memory is still 180.4MB. Free memory was 121.5MB in the beginning and 120.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.35ms. Allocated memory is still 180.4MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 911.83ms. Allocated memory is still 180.4MB. Free memory was 117.9MB in the beginning and 112.3MB in the end (delta: 5.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:11:14,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9 --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 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:11:17,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:11:17,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:11:17,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:11:17,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:11:17,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:11:17,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:11:17,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:11:17,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:11:17,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:11:17,348 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:11:17,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:11:17,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:11:17,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:11:17,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:11:17,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:11:17,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:11:17,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:11:17,354 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:11:17,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:11:17,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:11:17,357 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:11:17,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:11:17,358 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:11:17,359 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:11:17,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:11:17,361 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:11:17,362 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:17,362 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:11:17,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:11:17,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:17,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:11:17,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:11:17,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:11:17,365 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:11:17,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:17,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:11:17,366 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:11:17,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:11:17,366 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_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 [2023-12-02 23:11:17,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:11:17,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:11:17,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:11:17,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:11:17,752 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:11:17,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-02 23:11:21,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:11:21,402 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:11:21,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/sv-benchmarks/c/weaver/popl20-bad-ring-nondet.wvr.c [2023-12-02 23:11:21,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data/fb46472cb/40e3ea8ff85140f3b595c787707619c3/FLAG08967488c [2023-12-02 23:11:21,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/data/fb46472cb/40e3ea8ff85140f3b595c787707619c3 [2023-12-02 23:11:21,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:11:21,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:11:21,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:21,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:11:21,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:11:21,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578d1aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21, skipping insertion in model container [2023-12-02 23:11:21,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:11:21,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:21,719 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:11:21,726 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:11:21,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:21,769 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:11:21,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:11:21,823 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:21,823 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:11:21,830 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:11:21,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21 WrapperNode [2023-12-02 23:11:21,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:11:21,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:21,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:11:21,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:11:21,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,880 INFO L138 Inliner]: procedures = 27, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2023-12-02 23:11:21,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:11:21,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:11:21,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:11:21,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:11:21,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:11:21,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:11:21,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:11:21,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:11:21,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:11:21" (1/1) ... [2023-12-02 23:11:21,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:11:21,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:11:21,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:11:21,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:11:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:11:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:11:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:11:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 23:11:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 23:11:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:11:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:11:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:11:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:11:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:11:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:11:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:11:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:11:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:11:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:11:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:11:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:11:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:11:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:11:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:11:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:11:22,010 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:11:22,193 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:11:22,195 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:11:22,786 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:11:23,064 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-02 23:11:23,073 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations$UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo at de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) at de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo.merge(AtomicBlockInfo.java:61) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotationsFiltered(ModelUtils.java:165) at de.uni_freiburg.informatik.ultimate.core.model.models.ModelUtils.copyAnnotations(ModelUtils.java:66) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeSequential(CfgBuilder.java:1843) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1707) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-02 23:11:23,078 INFO L158 Benchmark]: Toolchain (without parser) took 1643.06ms. Allocated memory is still 107.0MB. Free memory was 83.3MB in the beginning and 55.5MB in the end (delta: 27.8MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-12-02 23:11:23,079 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:11:23,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.46ms. Allocated memory is still 107.0MB. Free memory was 83.0MB in the beginning and 67.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:11:23,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.58ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 65.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:11:23,081 INFO L158 Benchmark]: Boogie Preprocessor took 52.15ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 62.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:11:23,082 INFO L158 Benchmark]: RCFGBuilder took 1140.60ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 55.5MB in the end (delta: 7.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-12-02 23:11:23,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.46ms. Allocated memory is still 107.0MB. Free memory was 83.0MB in the beginning and 67.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.58ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 65.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.15ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 62.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1140.60ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 55.5MB in the end (delta: 7.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo: de.uni_freiburg.informatik.ultimate.core.model.models.annotation.IAnnotations.merge(IAnnotations.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:11:23,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934c26aa-1298-40df-be0c-382ccd94e9c2/bin/ukojak-verify-Qdu7aM0XO9/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: UnmergeableAnnotationsException: Cannot merge class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo with class de.uni_freiburg.informatik.ultimate.core.lib.models.annotation.AtomicBlockInfo