./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.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_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/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_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/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_bf6c6833-8d75-440a-8175-c2e66f07abc1/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 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:39,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:40,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:40,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:40,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:40,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:40,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:40,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:40,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:40,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:40,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:40,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:40,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:40,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:40,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:40,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:40,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:40,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:40,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:40,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:40,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:40,088 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:40,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:40,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:40,092 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:40,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:40,093 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:40,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:40,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:40,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:40,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:40,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:40,096 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:40,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:40,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:40,097 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_bf6c6833-8d75-440a-8175-c2e66f07abc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2023-11-21 18:43:40,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:40,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:40,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:40,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:40,466 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:40,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-21 18:43:43,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:43,975 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:43,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-21 18:43:44,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data/a101e1800/cec0debb1f584358956215d38a77c169/FLAG83ff277cb [2023-11-21 18:43:44,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data/a101e1800/cec0debb1f584358956215d38a77c169 [2023-11-21 18:43:44,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:44,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:44,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:44,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:44,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:44,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a1b86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44, skipping insertion in model container [2023-11-21 18:43:44,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:44,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:44,556 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:44,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:44,687 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:44,687 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:44,696 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:44,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44 WrapperNode [2023-11-21 18:43:44,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:44,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:44,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:44,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:44,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,769 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-21 18:43:44,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:44,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:44,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:44,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:44,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:44,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:44,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:44,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:44,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:44" (1/1) ... [2023-11-21 18:43:44,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:44,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:44,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:43:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:43:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:43:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:43:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:43:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:43:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:43:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:43:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:43:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:44,917 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 18:43:45,089 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:45,092 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:45,529 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:45,689 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 := 2;~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 18:43:45,693 INFO L158 Benchmark]: Toolchain (without parser) took 1659.94ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 90.5MB in the end (delta: 12.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:45,694 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:45,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.56ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 79.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:45,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.32ms. Allocated memory is still 148.9MB. Free memory was 79.0MB in the beginning and 76.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:45,696 INFO L158 Benchmark]: Boogie Preprocessor took 41.59ms. Allocated memory is still 148.9MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:45,697 INFO L158 Benchmark]: RCFGBuilder took 878.79ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 90.5MB in the end (delta: -15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:43:45,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.56ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 79.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.32ms. Allocated memory is still 148.9MB. Free memory was 79.0MB in the beginning and 76.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.59ms. Allocated memory is still 148.9MB. Free memory was 76.3MB in the beginning and 74.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 878.79ms. Allocated memory is still 148.9MB. Free memory was 74.8MB in the beginning and 90.5MB in the end (delta: -15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~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 := 2;~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 18:43:45,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/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_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/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_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/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_bf6c6833-8d75-440a-8175-c2e66f07abc1/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 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:48,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:48,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:43:48,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:48,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:48,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:48,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:48,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:48,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:48,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:48,631 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:48,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:48,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:48,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:48,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:48,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:48,635 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:43:48,635 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:43:48,636 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:48,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:43:48,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:48,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:48,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:48,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:48,639 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:48,640 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:48,640 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:48,640 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:43:48,641 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:43:48,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:48,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:48,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:48,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:48,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:48,644 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:43:48,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:43:48,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:48,644 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:43:48,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:43:48,646 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_bf6c6833-8d75-440a-8175-c2e66f07abc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a668ec1ea7995e15ba3bf7e664e16993ba1d6d90153ec7cf305acc426b53b6 [2023-11-21 18:43:49,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:49,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:49,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:49,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:49,133 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:49,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-21 18:43:52,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:52,820 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:52,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/sv-benchmarks/c/pthread-wmm/safe021_power.opt_pso.opt.i [2023-11-21 18:43:52,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data/c320ef9c9/13795f5833d348d79f9799ec44d2be7b/FLAG23753fb30 [2023-11-21 18:43:52,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/data/c320ef9c9/13795f5833d348d79f9799ec44d2be7b [2023-11-21 18:43:52,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:52,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:52,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:52,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:52,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:52,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:52" (1/1) ... [2023-11-21 18:43:52,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9f60c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:52, skipping insertion in model container [2023-11-21 18:43:52,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:52" (1/1) ... [2023-11-21 18:43:52,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:53,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:53,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:53,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:53,711 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:53,711 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:43:53,718 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:53,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53 WrapperNode [2023-11-21 18:43:53,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:53,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:53,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:53,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:53,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,778 INFO L138 Inliner]: procedures = 179, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2023-11-21 18:43:53,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:53,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:53,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:53,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:53,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:53,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:53,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:53,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:53,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:53" (1/1) ... [2023-11-21 18:43:53,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:53,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:53,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:53,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:43:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:43:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:43:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:43:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:43:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:43:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:43:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:43:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:43:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:43:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:43:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:43:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:53,928 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 18:43:54,092 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:54,094 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:54,468 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:54,652 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 := 2bv32;~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 18:43:54,659 INFO L158 Benchmark]: Toolchain (without parser) took 1780.79ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 48.3MB in the beginning and 49.0MB in the end (delta: -759.1kB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:54,659 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:43:54,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.11ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 40.5MB in the end (delta: 7.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:43:54,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.96ms. Allocated memory is still 73.4MB. Free memory was 40.5MB in the beginning and 38.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:43:54,663 INFO L158 Benchmark]: Boogie Preprocessor took 48.28ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 35.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:43:54,664 INFO L158 Benchmark]: RCFGBuilder took 828.62ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 35.6MB in the beginning and 49.0MB in the end (delta: -13.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-21 18:43:54,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.11ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 40.5MB in the end (delta: 7.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.96ms. Allocated memory is still 73.4MB. Free memory was 40.5MB in the beginning and 38.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.28ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 35.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 828.62ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 35.6MB in the beginning and 49.0MB in the end (delta: -13.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~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 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:43:54,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf6c6833-8d75-440a-8175-c2e66f07abc1/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~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?