./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9 --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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:41,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:41,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 23:48:41,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:48:41,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:48:41,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:41,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:41,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:41,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:41,303 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:48:41,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:48:41,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:48:41,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:41,305 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:48:41,306 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:48:41,306 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:48:41,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:41,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:48:41,307 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:48:41,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:41,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:41,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:41,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:41,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:41,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:41,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:41,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:41,312 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:48:41,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:48:41,313 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_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2023-12-02 23:48:41,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:41,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:41,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:41,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:41,550 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:41,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-12-02 23:48:44,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:44,444 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:44,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-12-02 23:48:44,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data/feb31f473/006c313fe48145a881c22d8ecfb95827/FLAGcd99b0d52 [2023-12-02 23:48:44,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data/feb31f473/006c313fe48145a881c22d8ecfb95827 [2023-12-02 23:48:44,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:44,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:44,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:44,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:44,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:44,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1b284c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44, skipping insertion in model container [2023-12-02 23:48:44,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,510 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:44,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:44,712 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:44,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:44,750 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:44,751 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:44,758 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:44,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44 WrapperNode [2023-12-02 23:48:44,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:44,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:44,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:44,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:44,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,808 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 259 [2023-12-02 23:48:44,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:44,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:44,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:44,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:44,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:44,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:44,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:44,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:44,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:44" (1/1) ... [2023-12-02 23:48:44,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:44,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:44,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:44,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:48:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:48:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:48:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:48:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:48:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:48:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:48:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:48:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:48:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:48:44,919 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:48:45,018 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:45,019 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:45,438 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:45,575 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:45,576 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 23:48:45,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:45 BoogieIcfgContainer [2023-12-02 23:48:45,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:45,578 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:45,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:45,589 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:45,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:45" (1/1) ... [2023-12-02 23:48:45,590 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) [2023-12-02 23:48:45,595 INFO L158 Benchmark]: Toolchain (without parser) took 1121.24ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 104.0MB in the beginning and 144.9MB in the end (delta: -40.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-12-02 23:48:45,595 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:45,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.82ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 91.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:48:45,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.72ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:45,597 INFO L158 Benchmark]: Boogie Preprocessor took 39.22ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:45,598 INFO L158 Benchmark]: RCFGBuilder took 728.14ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 87.1MB in the beginning and 146.0MB in the end (delta: -58.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:45,599 INFO L158 Benchmark]: CodeCheck took 14.28ms. Allocated memory is still 201.3MB. Free memory was 146.0MB in the beginning and 144.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:45,603 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 0.17ms. Allocated memory is still 94.4MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.82ms. Allocated memory is still 151.0MB. Free memory was 104.0MB in the beginning and 91.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.72ms. Allocated memory is still 151.0MB. Free memory was 91.5MB in the beginning and 89.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.22ms. Allocated memory is still 151.0MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 728.14ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 87.1MB in the beginning and 146.0MB in the end (delta: -58.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * CodeCheck took 14.28ms. Allocated memory is still 201.3MB. Free memory was 146.0MB in the beginning and 144.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:48:45,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9 --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 ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:47,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:47,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 23:48:47,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:47,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:47,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:47,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:47,645 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:48:47,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:48:47,646 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:48:47,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:47,648 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 23:48:47,648 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 23:48:47,649 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 23:48:47,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:47,650 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:48:47,650 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:48:47,651 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:48:47,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:48:47,652 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:48:47,652 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:47,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:47,653 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:47,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:47,654 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:47,655 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:47,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:47,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:47,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:47,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:47,657 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:48:47,657 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:47,658 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:48:47,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:47,658 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_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2023-12-02 23:48:47,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:47,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:47,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:47,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:47,966 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:47,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-12-02 23:48:50,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:50,995 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:50,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-12-02 23:48:51,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data/d6197806e/d3e7eedac6064a82b734f5b3d97d9b14/FLAGff6d19726 [2023-12-02 23:48:51,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/data/d6197806e/d3e7eedac6064a82b734f5b3d97d9b14 [2023-12-02 23:48:51,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:51,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:51,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:51,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:51,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:51,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797975f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51, skipping insertion in model container [2023-12-02 23:48:51,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:51,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:51,287 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:48:51,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:51,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:51,321 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:51,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:51,366 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:51,366 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:51,374 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:51,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51 WrapperNode [2023-12-02 23:48:51,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:51,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:51,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:51,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:51,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,431 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 252 [2023-12-02 23:48:51,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:51,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:51,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:51,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:51,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:51,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:51,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:51,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:51,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:51" (1/1) ... [2023-12-02 23:48:51,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:51,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:51,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:51,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:48:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:48:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:48:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:48:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:48:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:48:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:48:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:48:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:48:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:48:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:48:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:48:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:48:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:48:51,567 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:48:51,692 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:51,694 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:52,292 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:52,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:52,431 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 23:48:52,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:52 BoogieIcfgContainer [2023-12-02 23:48:52,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:52,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:52,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:52,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:52,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:52" (1/1) ... [2023-12-02 23:48:52,443 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) [2023-12-02 23:48:52,448 INFO L158 Benchmark]: Toolchain (without parser) took 1421.54ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 64.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-12-02 23:48:52,448 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:52,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.47ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 51.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:48:52,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.36ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:52,450 INFO L158 Benchmark]: Boogie Preprocessor took 55.34ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 68.2MB in the end (delta: -19.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-12-02 23:48:52,451 INFO L158 Benchmark]: RCFGBuilder took 945.09ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.2MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-12-02 23:48:52,451 INFO L158 Benchmark]: CodeCheck took 11.91ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 64.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:52,455 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 60.8MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.47ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 51.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.36ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 49.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.34ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 68.2MB in the end (delta: -19.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * RCFGBuilder took 945.09ms. Allocated memory is still 90.2MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.2MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * CodeCheck took 11.91ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 64.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:48:52,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0079665-2c83-4abf-845c-fc87f8eddab6/bin/ukojak-verify-Qdu7aM0XO9/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