./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:42,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:43,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:02:43,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:43,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:43,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:43,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:43,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:43,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:43,116 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:43,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:43,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:43,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:43,121 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:02:43,121 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:02:43,122 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:02:43,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:43,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:43,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:43,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:43,125 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:43,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:43,126 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:43,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:43,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:43,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:43,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:43,130 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:43,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:43,131 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_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-11-24 23:02:43,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:43,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:43,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:43,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:43,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:43,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-11-24 23:02:46,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:47,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:47,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-11-24 23:02:47,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data/96b25bb17/98c6b9e467174802835933bfbd920686/FLAG83ed8bdb5 [2023-11-24 23:02:47,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data/96b25bb17/98c6b9e467174802835933bfbd920686 [2023-11-24 23:02:47,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:47,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:47,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:47,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:47,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:47,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152bf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47, skipping insertion in model container [2023-11-24 23:02:47,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:47,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:47,770 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:47,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:47,905 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:47,906 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:47,912 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:47,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47 WrapperNode [2023-11-24 23:02:47,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:47,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:47,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:47,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:47,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,977 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 194 [2023-11-24 23:02:47,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:47,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:47,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:47,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:47,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:47,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:48,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:48,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:48,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:48,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:48,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:48,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:48,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:48,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:48,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:47" (1/1) ... [2023-11-24 23:02:48,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:48,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:48,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:48,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 23:02:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 23:02:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:02:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:02:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:48,126 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:02:48,280 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:48,282 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:48,748 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:49,165 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:49,165 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:02:49,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:49 BoogieIcfgContainer [2023-11-24 23:02:49,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:49,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:49,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:49,180 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:49,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:49" (1/1) ... [2023-11-24 23:02:49,181 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) [2023-11-24 23:02:49,186 INFO L158 Benchmark]: Toolchain (without parser) took 1956.44ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 112.5MB in the beginning and 143.1MB in the end (delta: -30.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:49,187 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 157.3MB. Free memory was 128.9MB in the beginning and 128.7MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:49,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.16ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 91.1MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:49,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.22ms. Allocated memory is still 157.3MB. Free memory was 91.1MB in the beginning and 88.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:49,192 INFO L158 Benchmark]: Boogie Preprocessor took 54.67ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 86.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:49,193 INFO L158 Benchmark]: RCFGBuilder took 1133.53ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 86.8MB in the beginning and 144.2MB in the end (delta: -57.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:49,194 INFO L158 Benchmark]: CodeCheck took 15.20ms. Allocated memory is still 205.5MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:49,203 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 0.37ms. Allocated memory is still 157.3MB. Free memory was 128.9MB in the beginning and 128.7MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.16ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 91.1MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.22ms. Allocated memory is still 157.3MB. Free memory was 91.1MB in the beginning and 88.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.67ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 86.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1133.53ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 86.8MB in the beginning and 144.2MB in the end (delta: -57.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * CodeCheck took 15.20ms. Allocated memory is still 205.5MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:02:49,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:51,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:51,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 23:02:52,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:52,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:52,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:52,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:52,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:52,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:52,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:52,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:52,064 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:02:52,065 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:02:52,067 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:02:52,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:52,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:52,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:52,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:52,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:52,070 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:52,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:52,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:52,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:52,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:52,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:52,073 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:52,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:52,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:52,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:52,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:52,077 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:52,077 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:52,078 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:52,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:52,078 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_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2023-11-24 23:02:52,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:52,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:52,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:52,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:52,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:52,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-11-24 23:02:55,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:56,142 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:56,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2023-11-24 23:02:56,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data/ccb5d5292/9cb0359898a2428d9ae0353e4ad3238f/FLAGd85d86aa6 [2023-11-24 23:02:56,199 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/data/ccb5d5292/9cb0359898a2428d9ae0353e4ad3238f [2023-11-24 23:02:56,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:56,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:56,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:56,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:56,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:56,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afa9d21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:56, skipping insertion in model container [2023-11-24 23:02:56,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:56" (1/1) ... [2023-11-24 23:02:56,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:56,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:56,880 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:56,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:56,992 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:56,993 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:57,002 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:57,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57 WrapperNode [2023-11-24 23:02:57,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:57,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:57,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:57,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:57,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,115 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 17, calls inlined = 20, statements flattened = 191 [2023-11-24 23:02:57,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:57,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:57,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:57,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:57,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:57,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:57,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:57,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:57,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:57" (1/1) ... [2023-11-24 23:02:57,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:57,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:57,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:57,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:02:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 23:02:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 23:02:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:02:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:02:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:02:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:02:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:02:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:57,323 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:02:57,516 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:57,519 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:58,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:58,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:58,773 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:02:58,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:58 BoogieIcfgContainer [2023-11-24 23:02:58,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:58,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:58,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:58,788 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:58,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:58" (1/1) ... [2023-11-24 23:02:58,789 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) [2023-11-24 23:02:58,794 INFO L158 Benchmark]: Toolchain (without parser) took 2585.44ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 63.8MB in the end (delta: 9.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,795 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:58,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.52ms. Allocated memory is still 98.6MB. Free memory was 72.8MB in the beginning and 50.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.60ms. Allocated memory is still 98.6MB. Free memory was 50.7MB in the beginning and 75.7MB in the end (delta: -25.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,797 INFO L158 Benchmark]: Boogie Preprocessor took 97.76ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,798 INFO L158 Benchmark]: RCFGBuilder took 1557.85ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 64.5MB in the end (delta: 8.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:58,799 INFO L158 Benchmark]: CodeCheck took 15.64ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 63.8MB in the end (delta: 682.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:58,803 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 0.74ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.52ms. Allocated memory is still 98.6MB. Free memory was 72.8MB in the beginning and 50.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.60ms. Allocated memory is still 98.6MB. Free memory was 50.7MB in the beginning and 75.7MB in the end (delta: -25.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.76ms. Allocated memory is still 98.6MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1557.85ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 64.5MB in the end (delta: 8.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * CodeCheck took 15.64ms. Allocated memory is still 98.6MB. Free memory was 64.5MB in the beginning and 63.8MB in the end (delta: 682.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:02:58,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e12cff-bc28-4b1d-a635-034943758341/bin/ukojak-verify-afCqCEvfdi/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