./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fc7a688cbe32836e1b8ce30abe37b248e61f96ae5014519dab91b2515bcd4ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:26,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:26,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:30:27,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:27,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:27,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:27,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:27,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:27,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:27,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:27,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:27,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:27,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:27,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:27,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:27,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:27,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:27,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:27,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:27,067 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:27,068 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:27,068 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:27,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:27,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:27,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:27,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:27,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:27,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:27,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:27,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:27,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:27,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:27,074 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:27,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:27,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:27,075 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_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc7a688cbe32836e1b8ce30abe37b248e61f96ae5014519dab91b2515bcd4ed [2023-11-21 18:30:27,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:27,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:27,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:27,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:27,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:27,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i [2023-11-21 18:30:30,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:31,010 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:31,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i [2023-11-21 18:30:31,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data/68338f033/6766b3d106ce47b88aac7b7ae320ac28/FLAGde2fde05a [2023-11-21 18:30:31,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data/68338f033/6766b3d106ce47b88aac7b7ae320ac28 [2023-11-21 18:30:31,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:31,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:31,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:31,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:31,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:31,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be05cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31, skipping insertion in model container [2023-11-21 18:30:31,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:31,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:31,568 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:31,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:31,712 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:31,713 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:31,720 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:31,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31 WrapperNode [2023-11-21 18:30:31,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:31,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:31,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:31,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:31,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,770 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2023-11-21 18:30:31,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:31,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:31,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:31,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:31,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:31,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:31,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:31,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:31,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:31" (1/1) ... [2023-11-21 18:30:31,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:31,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:31,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:30:31,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:30:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:30:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:30:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:30:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:30:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:30:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:30:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:30:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:30:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:30:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:31,948 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:30:32,113 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:32,114 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:32,475 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:32,636 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:30:32,641 INFO L158 Benchmark]: Toolchain (without parser) took 1574.82ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 86.7MB in the beginning and 134.1MB in the end (delta: -47.4MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-21 18:30:32,645 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:32,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.70ms. Allocated memory is still 134.2MB. Free memory was 86.2MB in the beginning and 63.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:32,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.01ms. Allocated memory is still 134.2MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:32,648 INFO L158 Benchmark]: Boogie Preprocessor took 74.97ms. Allocated memory is still 134.2MB. Free memory was 60.6MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:32,649 INFO L158 Benchmark]: RCFGBuilder took 791.89ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 58.9MB in the beginning and 134.1MB in the end (delta: -75.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:32,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.70ms. Allocated memory is still 134.2MB. Free memory was 86.2MB in the beginning and 63.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.01ms. Allocated memory is still 134.2MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.97ms. Allocated memory is still 134.2MB. Free memory was 60.6MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 791.89ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 58.9MB in the beginning and 134.1MB in the end (delta: -75.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:30:32,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fc7a688cbe32836e1b8ce30abe37b248e61f96ae5014519dab91b2515bcd4ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:35,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:35,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:30:35,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:35,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:35,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:35,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:35,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:35,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:35,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:35,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:35,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:35,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:35,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:35,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:35,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:35,397 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:30:35,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:30:35,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:35,399 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:30:35,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:35,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:35,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:35,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:35,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:35,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:35,404 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:35,404 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:30:35,405 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:30:35,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:35,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:35,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:35,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:35,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:35,408 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:30:35,408 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:30:35,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:35,408 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:30:35,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:30:35,410 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_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc7a688cbe32836e1b8ce30abe37b248e61f96ae5014519dab91b2515bcd4ed [2023-11-21 18:30:35,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:35,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:35,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:35,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:35,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:35,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i [2023-11-21 18:30:38,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:39,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:39,252 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/sv-benchmarks/c/pthread-wmm/mix016_power.opt_rmo.opt.i [2023-11-21 18:30:39,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data/83bd47848/f22caa6403994dc39c10ec8d17656200/FLAGb82654819 [2023-11-21 18:30:39,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/data/83bd47848/f22caa6403994dc39c10ec8d17656200 [2023-11-21 18:30:39,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:39,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:39,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:39,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:39,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:39,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:39" (1/1) ... [2023-11-21 18:30:39,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e16b21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:39, skipping insertion in model container [2023-11-21 18:30:39,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:39" (1/1) ... [2023-11-21 18:30:39,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:39,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:39,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:39,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:40,026 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:40,026 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:40,034 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:40,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40 WrapperNode [2023-11-21 18:30:40,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:40,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:40,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:40,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:40,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,144 INFO L138 Inliner]: procedures = 179, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2023-11-21 18:30:40,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:40,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:40,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:40,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:40,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:40,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:40,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:40,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:40,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:40" (1/1) ... [2023-11-21 18:30:40,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:40,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:40,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:40,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:30:40,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:30:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:30:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:30:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:30:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:30:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:30:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:30:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:30:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:30:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:30:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:30:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:40,353 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:30:40,560 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:40,562 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:41,025 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:41,273 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:30:41,285 INFO L158 Benchmark]: Toolchain (without parser) took 1988.42ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 61.0MB in the beginning and 76.5MB in the end (delta: -15.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-21 18:30:41,286 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:41,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.52ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 62.0MB in the end (delta: -1.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-21 18:30:41,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.12ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 59.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:41,289 INFO L158 Benchmark]: Boogie Preprocessor took 56.64ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:41,290 INFO L158 Benchmark]: RCFGBuilder took 1079.82ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 57.1MB in the beginning and 76.5MB in the end (delta: -19.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:41,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.52ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 62.0MB in the end (delta: -1.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.12ms. Allocated memory is still 86.0MB. Free memory was 62.0MB in the beginning and 59.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.64ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1079.82ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 57.1MB in the beginning and 76.5MB in the end (delta: -19.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:30:41,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e8903a7-8554-4994-804b-ba5287ed41a3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?