./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/test-easy6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL --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 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:53,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:53,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:02:53,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:53,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:53,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:53,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:53,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:53,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:53,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:53,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:53,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:53,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:53,209 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:02:53,209 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:02:53,210 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:02:53,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:53,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:53,211 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:53,212 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:53,213 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:53,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:53,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:53,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:53,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:53,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:53,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:53,216 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:53,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:53,217 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_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-19 03:02:53,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:53,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:53,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:53,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:53,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:53,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:02:56,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:57,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:57,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:02:57,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data/62f01e86b/bf6fffd3479543879b63103586832d0e/FLAG59d6647b9 [2023-11-19 03:02:57,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data/62f01e86b/bf6fffd3479543879b63103586832d0e [2023-11-19 03:02:57,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:57,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:57,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:57,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:57,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:57,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb56aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57, skipping insertion in model container [2023-11-19 03:02:57,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:57,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:57,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:57,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:57,494 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:57,494 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:57,503 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:57,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57 WrapperNode [2023-11-19 03:02:57,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:57,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:57,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:57,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:57,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,551 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-19 03:02:57,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:57,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:57,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:57,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:57,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:57,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:57,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:57,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:57,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:57,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:57,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:57,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:02:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:02:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:02:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:02:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:02:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:02:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:02:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:57,686 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:02:57,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:57,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:58,160 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:58,217 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:58,217 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:02:58,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:58 BoogieIcfgContainer [2023-11-19 03:02:58,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:58,222 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:58,222 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:58,233 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:58,234 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:58" (1/1) ... [2023-11-19 03:02:58,235 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) [2023-11-19 03:02:58,240 INFO L158 Benchmark]: Toolchain (without parser) took 1071.61ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 67.6MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:02:58,240 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:58,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.96ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 89.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:02:58,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.88ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 88.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:58,242 INFO L158 Benchmark]: Boogie Preprocessor took 31.29ms. Allocated memory is still 138.4MB. Free memory was 88.2MB in the beginning and 86.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:58,243 INFO L158 Benchmark]: RCFGBuilder took 637.08ms. Allocated memory is still 138.4MB. Free memory was 86.9MB in the beginning and 68.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:02:58,244 INFO L158 Benchmark]: CodeCheck took 15.62ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 67.6MB in the end (delta: 889.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:58,248 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 0.33ms. Allocated memory is still 138.4MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.96ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 89.9MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.88ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 88.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.29ms. Allocated memory is still 138.4MB. Free memory was 88.2MB in the beginning and 86.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.08ms. Allocated memory is still 138.4MB. Free memory was 86.9MB in the beginning and 68.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.62ms. Allocated memory is still 138.4MB. Free memory was 68.5MB in the beginning and 67.6MB in the end (delta: 889.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:58,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/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_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/test-easy6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL --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 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:00,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:01,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:03:01,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:01,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:01,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:01,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:01,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:01,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:01,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:01,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:01,219 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:03:01,219 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:03:01,221 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:03:01,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:01,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:03:01,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:03:01,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:03:01,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:03:01,225 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:01,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:01,226 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:01,226 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:01,227 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:01,227 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:01,227 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:01,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:01,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:01,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:01,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:01,231 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:03:01,232 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:03:01,232 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:03:01,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:03:01,233 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_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f73d75edf25d106d657bdc186907312ee3ef2bf4e5da547c0ac3641991b71d [2023-11-19 03:03:01,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:01,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:01,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:01,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:01,746 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:01,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:03:04,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:05,184 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:05,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/sv-benchmarks/c/weaver/test-easy6.wvr.c [2023-11-19 03:03:05,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data/d2d7af874/8610e006bfc346dd87453250d5a783e0/FLAGd6a1c5d2f [2023-11-19 03:03:05,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/data/d2d7af874/8610e006bfc346dd87453250d5a783e0 [2023-11-19 03:03:05,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:05,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:05,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:05,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:05,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:05,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57142d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05, skipping insertion in model container [2023-11-19 03:03:05,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:05,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:05,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:05,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:05,511 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:05,512 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:03:05,520 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:05,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05 WrapperNode [2023-11-19 03:03:05,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:05,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:05,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:05,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:05,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,595 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-19 03:03:05,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:05,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:05,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:05,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:05,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:05,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:05,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:05,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:05,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:05" (1/1) ... [2023-11-19 03:03:05,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:05,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:05,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:05,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:03:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:03:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:03:05,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:03:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:03:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:03:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:03:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:03:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:03:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:03:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:03:05,851 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:03:05,973 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:05,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:06,274 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:06,412 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:06,412 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:03:06,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:06 BoogieIcfgContainer [2023-11-19 03:03:06,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:06,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:06,418 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:06,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:06,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:06,438 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) [2023-11-19 03:03:06,445 INFO L158 Benchmark]: Toolchain (without parser) took 1227.02ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 39.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:06,446 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 54.7MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:06,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.63ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 44.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:03:06,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.55ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 42.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:06,450 INFO L158 Benchmark]: Boogie Preprocessor took 67.76ms. Allocated memory is still 79.7MB. Free memory was 42.4MB in the beginning and 41.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:03:06,451 INFO L158 Benchmark]: RCFGBuilder took 751.72ms. Allocated memory is still 79.7MB. Free memory was 41.0MB in the beginning and 40.0MB in the end (delta: 980.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:03:06,452 INFO L158 Benchmark]: CodeCheck took 24.83ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 39.1MB in the end (delta: 959.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:03:06,464 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 0.63ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 54.7MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.63ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 44.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.55ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 42.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.76ms. Allocated memory is still 79.7MB. Free memory was 42.4MB in the beginning and 41.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.72ms. Allocated memory is still 79.7MB. Free memory was 41.0MB in the beginning and 40.0MB in the end (delta: 980.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 24.83ms. Allocated memory is still 79.7MB. Free memory was 40.0MB in the beginning and 39.1MB in the end (delta: 959.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:03:06,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71baad8a-4260-4f65-a83c-37ad722078cc/bin/ukojak-verify-G8NBE6pJGL/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