./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV --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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:04,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:04,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:47:04,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:04,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:04,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:04,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:04,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:04,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:04,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:04,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:04,292 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:04,293 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:04,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:04,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:04,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:04,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:04,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:04,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:04,298 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:04,298 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:04,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:04,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:04,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:04,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:04,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:04,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:04,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:04,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:04,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:04,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:04,305 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:04,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:04,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:04,306 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_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2023-11-11 23:47:04,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:04,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:04,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:04,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:04,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:04,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/peterson.i [2023-11-11 23:47:08,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:08,337 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:08,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/sv-benchmarks/c/pthread-atomic/peterson.i [2023-11-11 23:47:08,359 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data/edd644b15/6cd396662a7e4056a8422ff358d08da1/FLAG3a53d80e2 [2023-11-11 23:47:08,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data/edd644b15/6cd396662a7e4056a8422ff358d08da1 [2023-11-11 23:47:08,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:08,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:08,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:08,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:08,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:08,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:08,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1566e04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08, skipping insertion in model container [2023-11-11 23:47:08,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:08,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:08,605 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:08,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:08,780 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:08,810 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:08,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:08,905 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:08,905 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:08,905 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:08,913 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:08,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08 WrapperNode [2023-11-11 23:47:08,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:08,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:08,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:08,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:08,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:08,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:08,986 INFO L138 Inliner]: procedures = 171, calls = 49, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-11 23:47:08,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:08,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:08,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:08,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:08,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:08,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:09,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:09,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:09,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:09,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:08" (1/1) ... [2023-11-11 23:47:09,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:09,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:09,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:09,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:47:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:47:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:47:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-11 23:47:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-11 23:47:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:47:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:47:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:47:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:47:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:47:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:09,134 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:47:09,306 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:09,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:09,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:09,526 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:09,527 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:47:09,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:09 BoogieIcfgContainer [2023-11-11 23:47:09,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:09,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:09,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:09,546 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:09,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:09" (1/1) ... [2023-11-11 23:47:09,548 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) [2023-11-11 23:47:09,557 INFO L158 Benchmark]: Toolchain (without parser) took 1177.71ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 66.7MB in the beginning and 120.4MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:09,558 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:09,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.21ms. Allocated memory is still 111.1MB. Free memory was 66.3MB in the beginning and 46.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:47:09,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.51ms. Allocated memory is still 111.1MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:09,562 INFO L158 Benchmark]: Boogie Preprocessor took 55.04ms. Allocated memory is still 111.1MB. Free memory was 44.5MB in the beginning and 43.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:09,563 INFO L158 Benchmark]: RCFGBuilder took 485.91ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 42.9MB in the beginning and 121.2MB in the end (delta: -78.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:09,564 INFO L158 Benchmark]: CodeCheck took 24.19ms. Allocated memory is still 155.2MB. Free memory was 121.2MB in the beginning and 120.4MB in the end (delta: 813.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:09,576 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 0.84ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.21ms. Allocated memory is still 111.1MB. Free memory was 66.3MB in the beginning and 46.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.51ms. Allocated memory is still 111.1MB. Free memory was 46.6MB in the beginning and 44.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.04ms. Allocated memory is still 111.1MB. Free memory was 44.5MB in the beginning and 43.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.91ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 42.9MB in the beginning and 121.2MB in the end (delta: -78.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 24.19ms. Allocated memory is still 155.2MB. Free memory was 121.2MB in the beginning and 120.4MB in the end (delta: 813.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:47:09,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/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_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV --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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:12,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:12,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:47:12,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:12,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:12,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:12,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:12,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:12,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:12,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:12,488 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:12,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:12,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:12,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:12,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:12,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:12,492 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:47:12,493 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:47:12,493 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:12,494 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:47:12,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:12,496 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:12,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:12,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:12,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:12,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:12,498 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:47:12,499 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:12,500 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:12,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:12,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:12,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:12,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:12,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:12,504 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:47:12,504 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:12,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:12,505 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:47:12,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:12,506 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_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2023-11-11 23:47:12,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:13,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:13,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:13,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:13,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:13,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-atomic/peterson.i [2023-11-11 23:47:16,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:16,651 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:16,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/sv-benchmarks/c/pthread-atomic/peterson.i [2023-11-11 23:47:16,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data/c7ef39f55/ae6c2317ec5243c1973415b605170c15/FLAG4b6dae65e [2023-11-11 23:47:16,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/data/c7ef39f55/ae6c2317ec5243c1973415b605170c15 [2023-11-11 23:47:16,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:16,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:16,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:16,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:16,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:16,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:16" (1/1) ... [2023-11-11 23:47:16,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e2a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:16, skipping insertion in model container [2023-11-11 23:47:16,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:16" (1/1) ... [2023-11-11 23:47:16,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:17,014 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:17,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:17,227 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:17,259 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:17,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:17,373 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:17,373 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:17,373 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:17,382 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:17,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17 WrapperNode [2023-11-11 23:47:17,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:17,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:17,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:17,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:17,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,464 INFO L138 Inliner]: procedures = 174, calls = 49, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-11 23:47:17,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:17,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:17,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:17,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:17,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:17,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:17,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:17,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:17,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:17" (1/1) ... [2023-11-11 23:47:17,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:17,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:17,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:17,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-11 23:47:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-11 23:47:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:47:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-11 23:47:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-11 23:47:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:47:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:47:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:47:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:47:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:47:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:47:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:17,729 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:47:17,969 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:17,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:18,167 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:18,176 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:18,176 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:47:18,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:18 BoogieIcfgContainer [2023-11-11 23:47:18,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:18,181 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:18,181 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:18,193 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:18,193 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:18" (1/1) ... [2023-11-11 23:47:18,194 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) [2023-11-11 23:47:18,200 INFO L158 Benchmark]: Toolchain (without parser) took 1507.34ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 47.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-11 23:47:18,200 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:18,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.59ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 39.0MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:47:18,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.86ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 36.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:18,203 INFO L158 Benchmark]: Boogie Preprocessor took 120.03ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 62.5MB in the end (delta: -25.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:18,204 INFO L158 Benchmark]: RCFGBuilder took 593.69ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 48.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:47:18,205 INFO L158 Benchmark]: CodeCheck took 17.06ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 47.1MB in the end (delta: 952.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:18,209 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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.59ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 39.0MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.86ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 36.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.03ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 62.5MB in the end (delta: -25.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.69ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 48.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.06ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 47.1MB in the end (delta: 952.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:47:18,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_546df385-dd16-4e89-a3ab-c1960ef66895/bin/ukojak-verify-0OAaufAVZV/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