./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe016_power.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_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/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_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe016_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/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_aa227761-6970-4400-ba3f-33dfdf5dfc39/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 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:55,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:56,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:35:56,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:56,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:56,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:56,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:56,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:56,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:56,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:56,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:56,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:56,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:35:56,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:56,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:35:56,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:56,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:56,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:56,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:56,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:56,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:56,092 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:35:56,092 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:56,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:56,093 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:56,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:56,094 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:56,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:56,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:56,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:56,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:56,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:56,097 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:56,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:56,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:56,114 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_aa227761-6970-4400-ba3f-33dfdf5dfc39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 [2023-11-21 18:35:56,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:56,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:56,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:56,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:56,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:56,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/safe016_power.opt.i [2023-11-21 18:35:59,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:59,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:59,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/sv-benchmarks/c/pthread-wmm/safe016_power.opt.i [2023-11-21 18:35:59,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data/23558c690/b65ce1ec972c42cda3566ff7d84daed4/FLAGb13d0484b [2023-11-21 18:35:59,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data/23558c690/b65ce1ec972c42cda3566ff7d84daed4 [2023-11-21 18:35:59,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:59,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:59,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:59,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:59,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:59,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:59" (1/1) ... [2023-11-21 18:35:59,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f00ab47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:59, skipping insertion in model container [2023-11-21 18:35:59,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:59" (1/1) ... [2023-11-21 18:35:59,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:00,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:00,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:00,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:00,704 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:00,706 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:00,714 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:00,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00 WrapperNode [2023-11-21 18:36:00,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:00,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:00,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:00,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:00,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,892 INFO L138 Inliner]: procedures = 177, calls = 92, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 186 [2023-11-21 18:36:00,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:00,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:00,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:00,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:00,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:00,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:00,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:00,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:00,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:00,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:00" (1/1) ... [2023-11-21 18:36:01,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:01,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:01,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:01,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:36:01,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:36:01,069 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:36:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:36:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:36:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:36:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:36:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:36:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:36:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:36:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:01,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:01,073 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 18:36:01,244 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:01,246 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:01,860 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:02,344 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:02,344 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:36:02,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:02 BoogieIcfgContainer [2023-11-21 18:36:02,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:02,347 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:02,347 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:02,359 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:02,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:02" (1/1) ... [2023-11-21 18:36:02,360 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 18:36:02,369 INFO L158 Benchmark]: Toolchain (without parser) took 2455.98ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 151.9MB in the beginning and 150.4MB in the end (delta: 1.6MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-21 18:36:02,370 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory was 100.2MB in the beginning and 100.2MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:02,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.89ms. Allocated memory is still 182.5MB. Free memory was 151.9MB in the beginning and 125.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:36:02,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.37ms. Allocated memory is still 182.5MB. Free memory was 125.4MB in the beginning and 149.6MB in the end (delta: -24.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:36:02,374 INFO L158 Benchmark]: Boogie Preprocessor took 101.97ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 146.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:02,375 INFO L158 Benchmark]: RCFGBuilder took 1350.19ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 146.8MB in the beginning and 151.4MB in the end (delta: -4.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2023-11-21 18:36:02,376 INFO L158 Benchmark]: CodeCheck took 19.57ms. Allocated memory is still 222.3MB. Free memory was 151.4MB in the beginning and 150.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:02,387 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory was 100.2MB in the beginning and 100.2MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.89ms. Allocated memory is still 182.5MB. Free memory was 151.9MB in the beginning and 125.4MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.37ms. Allocated memory is still 182.5MB. Free memory was 125.4MB in the beginning and 149.6MB in the end (delta: -24.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.97ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 146.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1350.19ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 146.8MB in the beginning and 151.4MB in the end (delta: -4.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * CodeCheck took 19.57ms. Allocated memory is still 222.3MB. Free memory was 151.4MB in the beginning and 150.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:36:02,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/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_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/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_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe016_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/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_aa227761-6970-4400-ba3f-33dfdf5dfc39/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 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:05,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:05,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:36:05,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:05,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:05,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:05,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:05,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:05,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:05,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:05,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:05,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:05,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:05,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:05,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:05,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:05,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:36:05,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:36:05,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:05,212 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:36:05,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:05,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:05,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:05,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:05,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:05,215 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:05,215 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:05,215 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:36:05,216 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:36:05,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:05,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:05,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:05,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:05,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:05,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:36:05,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:36:05,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:05,220 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:36:05,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:36:05,221 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_aa227761-6970-4400-ba3f-33dfdf5dfc39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 [2023-11-21 18:36:05,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:05,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:05,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:05,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:05,680 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:05,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/safe016_power.opt.i [2023-11-21 18:36:08,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:09,198 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:09,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/sv-benchmarks/c/pthread-wmm/safe016_power.opt.i [2023-11-21 18:36:09,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data/e02ac2176/42816b8becef484a891d1c8b1e69d0cf/FLAG1e3ea9084 [2023-11-21 18:36:09,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/data/e02ac2176/42816b8becef484a891d1c8b1e69d0cf [2023-11-21 18:36:09,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:09,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:09,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:09,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:09,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:09,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:09" (1/1) ... [2023-11-21 18:36:09,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7a13a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:09, skipping insertion in model container [2023-11-21 18:36:09,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:09" (1/1) ... [2023-11-21 18:36:09,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:09,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:09,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:10,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:10,151 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:10,152 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:10,158 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:10,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10 WrapperNode [2023-11-21 18:36:10,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:10,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:10,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:10,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:10,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,238 INFO L138 Inliner]: procedures = 181, calls = 92, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 187 [2023-11-21 18:36:10,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:10,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:10,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:10,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:10,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:10,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:10,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:10,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:10,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:10" (1/1) ... [2023-11-21 18:36:10,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:10,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:10,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:36:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:36:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:36:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:36:10,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:36:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:36:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:36:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:36:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:36:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:36:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:36:10,439 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:36:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:36:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:36:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:10,441 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 18:36:10,723 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:10,725 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:11,461 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:11,909 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:11,909 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:36:11,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:11 BoogieIcfgContainer [2023-11-21 18:36:11,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:11,912 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:11,912 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:11,922 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:11,922 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:11" (1/1) ... [2023-11-21 18:36:11,923 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 18:36:11,928 INFO L158 Benchmark]: Toolchain (without parser) took 2663.17ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 48.2MB in the beginning and 40.0MB in the end (delta: 8.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-21 18:36:11,928 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:11,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 890.58ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 38.1MB in the end (delta: 9.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-21 18:36:11,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.79ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 35.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:11,930 INFO L158 Benchmark]: Boogie Preprocessor took 63.66ms. Allocated memory is still 73.4MB. Free memory was 35.2MB in the beginning and 50.9MB in the end (delta: -15.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:11,931 INFO L158 Benchmark]: RCFGBuilder took 1607.59ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 50.9MB in the beginning and 41.5MB in the end (delta: 9.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:36:11,932 INFO L158 Benchmark]: CodeCheck took 13.64ms. Allocated memory is still 88.1MB. Free memory was 41.5MB in the beginning and 40.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:11,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 890.58ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 38.1MB in the end (delta: 9.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.79ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 35.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.66ms. Allocated memory is still 73.4MB. Free memory was 35.2MB in the beginning and 50.9MB in the end (delta: -15.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1607.59ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 50.9MB in the beginning and 41.5MB in the end (delta: 9.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 13.64ms. Allocated memory is still 88.1MB. Free memory was 41.5MB in the beginning and 40.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:36:11,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa227761-6970-4400-ba3f-33dfdf5dfc39/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported