./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-4.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_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/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_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/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_9a142647-1fcc-4929-829f-ac136aaf2904/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 d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:02,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:02,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:27:02,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:02,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:02,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:02,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:02,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:02,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:02,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:02,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:02,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:02,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:02,905 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:27:02,906 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:27:02,906 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:27:02,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:02,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:02,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:02,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:02,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:02,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:02,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:02,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:02,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:02,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:02,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:02,913 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:02,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:02,914 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_9a142647-1fcc-4929-829f-ac136aaf2904/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 [2023-11-19 03:27:03,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:03,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:03,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:03,272 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:03,272 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:03,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-11-19 03:27:06,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:06,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:06,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-11-19 03:27:06,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data/11288becc/a223f2ef8964488193c6ad56211a19da/FLAG489311b64 [2023-11-19 03:27:07,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data/11288becc/a223f2ef8964488193c6ad56211a19da [2023-11-19 03:27:07,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:07,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:07,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:07,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:07,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:07,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247879e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07, skipping insertion in model container [2023-11-19 03:27:07,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:07,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:07,341 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:07,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:07,378 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:07,378 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:07,386 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:07,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07 WrapperNode [2023-11-19 03:27:07,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:07,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:07,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:07,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:07,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,438 INFO L138 Inliner]: procedures = 23, calls = 71, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 211 [2023-11-19 03:27:07,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:07,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:07,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:07,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:07,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:07,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:07,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:07,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:07,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:07,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:07,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:27:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:27:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:27:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:27:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:27:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:27:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:27:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:27:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:27:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:27:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:27:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:27:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:27:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:07,599 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 03:27:07,759 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:07,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:08,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:08,406 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:08,406 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:08,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:08 BoogieIcfgContainer [2023-11-19 03:27:08,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:08,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:08,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:08,423 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:08,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:08" (1/1) ... [2023-11-19 03:27:08,424 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 03:27:08,429 INFO L158 Benchmark]: Toolchain (without parser) took 1347.97ms. Allocated memory is still 161.5MB. Free memory was 116.3MB in the beginning and 123.6MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:08,430 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:08,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.18ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 104.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:27:08,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.99ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:08,432 INFO L158 Benchmark]: Boogie Preprocessor took 58.20ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 100.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:08,433 INFO L158 Benchmark]: RCFGBuilder took 913.05ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 124.3MB in the end (delta: -23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:08,434 INFO L158 Benchmark]: CodeCheck took 15.42ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 123.6MB in the end (delta: 676.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:08,437 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.18ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 104.2MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.99ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.20ms. Allocated memory is still 161.5MB. Free memory was 102.1MB in the beginning and 100.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 913.05ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 124.3MB in the end (delta: -23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 15.42ms. Allocated memory is still 161.5MB. Free memory was 124.3MB in the beginning and 123.6MB in the end (delta: 676.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:27:08,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/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 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_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/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_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/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_9a142647-1fcc-4929-829f-ac136aaf2904/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 d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:11,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:11,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:27:11,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:11,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:11,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:11,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:11,269 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:11,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:11,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:11,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:11,277 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:27:11,277 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:27:11,279 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:27:11,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:11,281 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:27:11,281 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:27:11,282 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:27:11,282 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:11,284 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:11,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:11,285 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:11,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:11,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:11,287 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:11,287 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:11,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:11,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:11,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:11,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:11,292 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:27:11,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:11,293 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:27:11,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:11,294 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_9a142647-1fcc-4929-829f-ac136aaf2904/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87195cdf1d0fd4bcadf67f37be6f46388ea22a2ec77b383d012327e126a2173 [2023-11-19 03:27:11,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:11,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:11,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:11,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:11,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:11,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-11-19 03:27:15,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:15,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:15,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2023-11-19 03:27:15,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data/ce085743d/5c4e7b63a8104e6ba801827d5aaf9dba/FLAG4343bbd6d [2023-11-19 03:27:15,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/data/ce085743d/5c4e7b63a8104e6ba801827d5aaf9dba [2023-11-19 03:27:15,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:15,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:15,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:15,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:15,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:15,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1736b302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15, skipping insertion in model container [2023-11-19 03:27:15,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:15,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:15,630 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:15,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:15,669 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:15,669 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:15,677 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:15,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15 WrapperNode [2023-11-19 03:27:15,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:15,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:15,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:15,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:15,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,763 INFO L138 Inliner]: procedures = 25, calls = 71, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 204 [2023-11-19 03:27:15,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:15,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:15,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:15,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:15,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:15,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:15,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:15,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:15,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:15" (1/1) ... [2023-11-19 03:27:15,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:15,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:15,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:15,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:27:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:27:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:27:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:27:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:27:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:27:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:27:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:27:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:27:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:27:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:27:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:27:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:27:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:27:15,965 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 03:27:16,128 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:16,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:16,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:16,739 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:16,739 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:16,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:16 BoogieIcfgContainer [2023-11-19 03:27:16,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:16,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:16,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:16,757 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:16,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,758 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 03:27:16,762 INFO L158 Benchmark]: Toolchain (without parser) took 1356.56ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.9MB in the beginning and 62.2MB in the end (delta: -13.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:16,763 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:16,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.30ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 36.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:27:16,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.97ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 71.1MB in the end (delta: -34.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:16,765 INFO L158 Benchmark]: Boogie Preprocessor took 107.39ms. Allocated memory is still 92.3MB. Free memory was 71.1MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:16,766 INFO L158 Benchmark]: RCFGBuilder took 874.46ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 63.1MB in the end (delta: 6.3MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-11-19 03:27:16,766 INFO L158 Benchmark]: CodeCheck took 12.63ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 62.2MB in the end (delta: 903.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:16,770 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 0.52ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.30ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 36.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.97ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 36.6MB in the beginning and 71.1MB in the end (delta: -34.5MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.39ms. Allocated memory is still 92.3MB. Free memory was 71.1MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.46ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 63.1MB in the end (delta: 6.3MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * CodeCheck took 12.63ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 62.2MB in the end (delta: 903.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:27:16,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a142647-1fcc-4929-829f-ac136aaf2904/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