./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:41,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:41,878 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:54:41,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:41,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:41,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:41,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:41,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:41,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:41,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:41,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:41,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:41,920 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:41,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:41,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:41,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:41,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:41,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:41,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:41,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:41,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:41,928 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:41,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:41,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:41,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:41,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:41,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:41,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:41,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:41,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:41,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:41,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:41,935 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:41,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:41,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:41,936 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_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-21 18:54:42,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:42,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:42,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:42,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:42,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:42,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-21 18:54:45,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:45,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:45,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-21 18:54:45,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data/1120cae52/a8199ac8294d4d37ba4a9735f21579ca/FLAG4bfdab494 [2023-11-21 18:54:45,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data/1120cae52/a8199ac8294d4d37ba4a9735f21579ca [2023-11-21 18:54:45,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:45,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:45,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:45,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:45,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:45,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:45" (1/1) ... [2023-11-21 18:54:45,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70991ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:45, skipping insertion in model container [2023-11-21 18:54:45,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:45" (1/1) ... [2023-11-21 18:54:45,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:46,002 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:46,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:46,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:46,298 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:46,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:46,378 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:46,379 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:46,379 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:46,387 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:46,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46 WrapperNode [2023-11-21 18:54:46,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:46,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:46,390 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:46,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:46,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,438 INFO L138 Inliner]: procedures = 171, calls = 85, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-21 18:54:46,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:46,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:46,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:46,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:46,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:46,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:46,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:46,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:46,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:46,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:46,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:54:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:54:46,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:54:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-21 18:54:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-21 18:54:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:54:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:54:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:54:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:54:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:54:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:46,574 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 18:54:46,732 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:46,734 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:46,948 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:46,959 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:46,960 INFO L308 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-21 18:54:46,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:46 BoogieIcfgContainer [2023-11-21 18:54:46,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:46,963 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:46,963 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:46,975 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:46,975 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:46" (1/1) ... [2023-11-21 18:54:46,976 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 18:54:46,980 INFO L158 Benchmark]: Toolchain (without parser) took 1281.52ms. Allocated memory is still 148.9MB. Free memory was 104.4MB in the beginning and 85.1MB in the end (delta: 19.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-21 18:54:46,981 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory was 80.3MB in the beginning and 80.2MB in the end (delta: 100.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:46,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.75ms. Allocated memory is still 148.9MB. Free memory was 104.4MB in the beginning and 105.5MB in the end (delta: -1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:54:46,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.80ms. Allocated memory is still 148.9MB. Free memory was 105.5MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:46,983 INFO L158 Benchmark]: Boogie Preprocessor took 39.91ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:46,984 INFO L158 Benchmark]: RCFGBuilder took 478.51ms. Allocated memory is still 148.9MB. Free memory was 101.9MB in the beginning and 85.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:54:46,984 INFO L158 Benchmark]: CodeCheck took 16.07ms. Allocated memory is still 148.9MB. Free memory was 85.8MB in the beginning and 85.1MB in the end (delta: 737.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:46,988 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 111.1MB. Free memory was 80.3MB in the beginning and 80.2MB in the end (delta: 100.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.75ms. Allocated memory is still 148.9MB. Free memory was 104.4MB in the beginning and 105.5MB in the end (delta: -1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.80ms. Allocated memory is still 148.9MB. Free memory was 105.5MB in the beginning and 104.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.91ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.51ms. Allocated memory is still 148.9MB. Free memory was 101.9MB in the beginning and 85.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.07ms. Allocated memory is still 148.9MB. Free memory was 85.8MB in the beginning and 85.1MB in the end (delta: 737.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:54:47,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:49,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:49,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:54:49,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:49,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:49,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:49,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:49,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:49,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:49,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:49,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:49,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:49,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:49,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:49,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:49,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:49,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:54:49,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:54:49,906 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:49,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:54:49,908 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:49,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:49,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:49,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:49,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:49,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:49,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:49,911 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:49,911 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:49,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:49,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:49,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:49,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:49,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:49,915 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:54:49,915 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:54:49,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:49,915 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:54:49,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:54:49,917 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_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-21 18:54:50,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:50,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:50,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:50,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:50,333 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:50,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-21 18:54:53,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:53,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:53,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-21 18:54:53,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data/b0422ffee/749bceaab66c4dc985db621526149f64/FLAG1e9e9dd8c [2023-11-21 18:54:53,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/data/b0422ffee/749bceaab66c4dc985db621526149f64 [2023-11-21 18:54:53,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:53,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:53,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:53,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:53,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:53,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:53" (1/1) ... [2023-11-21 18:54:53,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2502e768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:53, skipping insertion in model container [2023-11-21 18:54:53,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:53" (1/1) ... [2023-11-21 18:54:54,050 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:54,249 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:54,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:54,507 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:54,539 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:54:54,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:54,665 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:54,665 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:54,665 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:54:54,674 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:54,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54 WrapperNode [2023-11-21 18:54:54,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:54,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:54,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:54,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:54,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,744 INFO L138 Inliner]: procedures = 174, calls = 85, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2023-11-21 18:54:54,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:54,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:54,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:54,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:54,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:54,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:54,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:54,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:54,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:54" (1/1) ... [2023-11-21 18:54:54,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:54,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:54,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:54,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:54:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:54:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:54:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-21 18:54:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-21 18:54:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:54:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:54:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:54:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:54:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:54:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:54:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:54:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:54:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:54,949 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 18:54:55,170 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:55,173 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:55,516 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:55,526 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:55,526 INFO L308 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-21 18:54:55,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:55 BoogieIcfgContainer [2023-11-21 18:54:55,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:55,529 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:55,529 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:55,539 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:55,539 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:55" (1/1) ... [2023-11-21 18:54:55,541 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 18:54:55,548 INFO L158 Benchmark]: Toolchain (without parser) took 1559.00ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 49.2MB in the end (delta: 22.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:55,548 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:55,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.06ms. Allocated memory is still 96.5MB. Free memory was 71.1MB in the beginning and 71.2MB in the end (delta: -32.0kB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:55,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.06ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:55,551 INFO L158 Benchmark]: Boogie Preprocessor took 73.10ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:55,552 INFO L158 Benchmark]: RCFGBuilder took 709.72ms. Allocated memory is still 96.5MB. Free memory was 66.7MB in the beginning and 50.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:54:55,553 INFO L158 Benchmark]: CodeCheck took 16.45ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 49.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:55,560 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 0.30ms. Allocated memory is still 67.1MB. Free memory is still 43.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.06ms. Allocated memory is still 96.5MB. Free memory was 71.1MB in the beginning and 71.2MB in the end (delta: -32.0kB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.06ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.10ms. Allocated memory is still 96.5MB. Free memory was 69.1MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.72ms. Allocated memory is still 96.5MB. Free memory was 66.7MB in the beginning and 50.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.45ms. Allocated memory is still 96.5MB. Free memory was 50.2MB in the beginning and 49.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:54:55,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733a5c6-b870-4192-b272-b2f0c0ab8e30/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