./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_power.i --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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:34:06,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:34:06,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:34:06,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:34:06,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:34:06,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:34:06,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:34:06,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:34:06,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:34:06,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:34:06,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:34:06,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:34:06,761 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:34:06,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:34:06,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:34:06,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:34:06,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:34:06,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:34:06,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:34:06,765 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:34:06,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:34:06,766 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:34:06,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:34:06,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:34:06,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:34:06,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:34:06,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:34:06,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:34:06,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:06,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:34:06,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:34:06,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:34:06,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:34:06,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:34:06,771 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:34:06,772 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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2023-12-03 00:34:06,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:34:07,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:34:07,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:34:07,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:34:07,019 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:34:07,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe025_power.i [2023-12-03 00:34:09,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:34:10,061 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:34:10,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/sv-benchmarks/c/pthread-wmm/safe025_power.i [2023-12-03 00:34:10,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data/15ed90704/60333ca19fea4e5785d019c0f8978d03/FLAG443ff8d9a [2023-12-03 00:34:10,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data/15ed90704/60333ca19fea4e5785d019c0f8978d03 [2023-12-03 00:34:10,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:34:10,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:34:10,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:10,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:34:10,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:34:10,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493f7331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10, skipping insertion in model container [2023-12-03 00:34:10,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:34:10,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:10,576 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:34:10,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:10,682 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:10,683 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:10,691 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:34:10,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10 WrapperNode [2023-12-03 00:34:10,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:10,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:10,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:34:10,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:34:10,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,749 INFO L138 Inliner]: procedures = 176, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-12-03 00:34:10,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:10,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:34:10,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:34:10,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:34:10,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:34:10,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:34:10,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:34:10,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:34:10,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:10" (1/1) ... [2023-12-03 00:34:10,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:34:10,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:34:10,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:34:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:34:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:34:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:34:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:34:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:34:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:34:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:34:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:34:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 00:34:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 00:34:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 00:34:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 00:34:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 00:34:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 00:34:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:34:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:34:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:34:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:34:10,873 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:34:11,038 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:34:11,040 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:34:11,536 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:34:11,895 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:34:11,899 INFO L158 Benchmark]: Toolchain (without parser) took 1798.62ms. Allocated memory is still 169.9MB. Free memory was 127.6MB in the beginning and 99.3MB in the end (delta: 28.3MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-12-03 00:34:11,900 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:34:11,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.71ms. Allocated memory is still 169.9MB. Free memory was 127.6MB in the beginning and 100.5MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 00:34:11,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 97.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:11,901 INFO L158 Benchmark]: Boogie Preprocessor took 50.95ms. Allocated memory is still 169.9MB. Free memory was 97.9MB in the beginning and 94.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:34:11,902 INFO L158 Benchmark]: RCFGBuilder took 1095.74ms. Allocated memory is still 169.9MB. Free memory was 94.9MB in the beginning and 99.3MB in the end (delta: -4.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-12-03 00:34:11,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.71ms. Allocated memory is still 169.9MB. Free memory was 127.6MB in the beginning and 100.5MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 97.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.95ms. Allocated memory is still 169.9MB. Free memory was 97.9MB in the beginning and 94.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1095.74ms. Allocated memory is still 169.9MB. Free memory was 94.9MB in the beginning and 99.3MB in the end (delta: -4.4MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:34:11,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:34:13,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:34:13,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:34:13,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:34:13,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:34:13,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:34:13,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:34:13,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:34:13,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:34:13,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:34:13,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:34:13,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:34:13,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:34:13,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:34:13,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:34:13,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:34:13,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:34:13,959 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:34:13,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:34:13,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:34:13,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:34:13,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:34:13,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:34:13,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:34:13,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:34:13,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:34:13,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:34:13,968 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:13,969 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:34:13,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:34:13,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:13,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:34:13,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:34:13,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:34:13,970 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:34:13,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:13,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:34:13,971 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:34:13,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:34:13,971 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_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2023-12-03 00:34:14,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:34:14,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:34:14,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:34:14,299 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:34:14,300 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:34:14,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/safe025_power.i [2023-12-03 00:34:17,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:34:17,423 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:34:17,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/sv-benchmarks/c/pthread-wmm/safe025_power.i [2023-12-03 00:34:17,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data/fc0a5e1eb/7f17debacce74c3b981c0b078c68d799/FLAG75a53605f [2023-12-03 00:34:17,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/data/fc0a5e1eb/7f17debacce74c3b981c0b078c68d799 [2023-12-03 00:34:17,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:34:17,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:34:17,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:17,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:34:17,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:34:17,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:17" (1/1) ... [2023-12-03 00:34:17,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6411162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:17, skipping insertion in model container [2023-12-03 00:34:17,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:34:17" (1/1) ... [2023-12-03 00:34:17,527 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:34:17,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:17,948 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:34:18,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:34:18,053 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:18,053 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:34:18,061 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:34:18,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18 WrapperNode [2023-12-03 00:34:18,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:34:18,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:18,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:34:18,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:34:18,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,123 INFO L138 Inliner]: procedures = 180, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 173 [2023-12-03 00:34:18,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:34:18,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:34:18,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:34:18,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:34:18,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:34:18,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:34:18,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:34:18,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:34:18,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:34:18" (1/1) ... [2023-12-03 00:34:18,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:34:18,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:34:18,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:34:18,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:34:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:34:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:34:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:34:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:34:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:34:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:34:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:34:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:34:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:34:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 00:34:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 00:34:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 00:34:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 00:34:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 00:34:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 00:34:18,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 00:34:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:34:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:34:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:34:18,248 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:34:18,418 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:34:18,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:34:18,945 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:34:19,350 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:34:19,355 INFO L158 Benchmark]: Toolchain (without parser) took 1893.22ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 48.3MB in the beginning and 58.1MB in the end (delta: -9.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-12-03 00:34:19,356 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:34:19,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.07ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 48.1MB in the beginning and 77.4MB in the end (delta: -29.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:34:19,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.46ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 74.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:34:19,358 INFO L158 Benchmark]: Boogie Preprocessor took 50.04ms. Allocated memory is still 113.2MB. Free memory was 74.4MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:34:19,359 INFO L158 Benchmark]: RCFGBuilder took 1178.53ms. Allocated memory is still 113.2MB. Free memory was 71.2MB in the beginning and 58.1MB in the end (delta: 13.1MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-12-03 00:34:19,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.07ms. Allocated memory was 73.4MB in the beginning and 113.2MB in the end (delta: 39.8MB). Free memory was 48.1MB in the beginning and 77.4MB in the end (delta: -29.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.46ms. Allocated memory is still 113.2MB. Free memory was 77.4MB in the beginning and 74.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.04ms. Allocated memory is still 113.2MB. Free memory was 74.4MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.53ms. Allocated memory is still 113.2MB. Free memory was 71.2MB in the beginning and 58.1MB in the end (delta: 13.1MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:34:19,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a817c5c-15a9-4c1c-88ee-442cac741ee3/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: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?