./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_safe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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 2a12d5b905fa07b94a851888f481630fccc5d15913fb6b7efa54c908526d1783 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:03:26,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:03:26,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-12-02 21:03:26,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:03:26,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:03:26,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:03:26,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:03:26,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:03:26,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:03:26,575 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:03:26,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:03:26,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:03:26,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:03:26,578 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:03:26,578 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:03:26,578 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:03:26,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:03:26,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:03:26,580 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:03:26,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:03:26,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:03:26,583 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:03:26,583 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:03:26,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:03:26,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:03:26,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:03:26,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:03:26,585 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:03:26,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:03:26,586 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_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a12d5b905fa07b94a851888f481630fccc5d15913fb6b7efa54c908526d1783 [2023-12-02 21:03:26,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:03:26,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:03:26,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:03:26,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:03:26,836 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:03:26,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/fib_safe-7.i [2023-12-02 21:03:29,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:03:29,777 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:03:29,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/sv-benchmarks/c/pthread/fib_safe-7.i [2023-12-02 21:03:29,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data/b7f6dc2c4/9ec998e334924bacaa203eca3a1dd7c0/FLAG085bce163 [2023-12-02 21:03:29,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data/b7f6dc2c4/9ec998e334924bacaa203eca3a1dd7c0 [2023-12-02 21:03:29,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:03:29,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:03:29,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:03:29,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:03:29,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:03:29,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:03:29" (1/1) ... [2023-12-02 21:03:29,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e4c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:29, skipping insertion in model container [2023-12-02 21:03:29,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:03:29" (1/1) ... [2023-12-02 21:03:29,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:03:30,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:03:30,147 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:03:30,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:03:30,211 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:03:30,212 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:03:30,217 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:03:30,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30 WrapperNode [2023-12-02 21:03:30,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:03:30,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:03:30,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:03:30,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:03:30,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,257 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-12-02 21:03:30,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:03:30,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:03:30,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:03:30,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:03:30,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:03:30,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:03:30,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:03:30,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:03:30,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:03:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:03:30,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:03:30,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:03:30,357 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 21:03:30,357 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 21:03:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 21:03:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 21:03:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:03:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:03:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:03:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:03:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:03:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:03:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:03:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:03:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:03:30,361 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 21:03:30,476 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:03:30,478 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:03:30,645 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:03:30,654 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:03:30,654 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 21:03:30,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:03:30 BoogieIcfgContainer [2023-12-02 21:03:30,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:03:30,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:03:30,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:03:30,666 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:03:30,666 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:03:30" (1/1) ... [2023-12-02 21:03:30,667 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 21:03:30,671 INFO L158 Benchmark]: Toolchain (without parser) took 860.09ms. Allocated memory is still 176.2MB. Free memory was 140.6MB in the beginning and 100.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 21:03:30,671 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:03:30,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.19ms. Allocated memory is still 176.2MB. Free memory was 140.6MB in the beginning and 120.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:03:30,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.18ms. Allocated memory is still 176.2MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:03:30,673 INFO L158 Benchmark]: Boogie Preprocessor took 28.25ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 117.8MB in the end (delta: 855.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:03:30,674 INFO L158 Benchmark]: RCFGBuilder took 368.59ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 101.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:03:30,675 INFO L158 Benchmark]: CodeCheck took 12.21ms. Allocated memory is still 176.2MB. Free memory was 101.8MB in the beginning and 100.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:03:30,678 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 0.20ms. Allocated memory is still 115.3MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.19ms. Allocated memory is still 176.2MB. Free memory was 140.6MB in the beginning and 120.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.18ms. Allocated memory is still 176.2MB. Free memory was 120.7MB in the beginning and 118.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.25ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 117.8MB in the end (delta: 855.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.59ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 101.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 12.21ms. Allocated memory is still 176.2MB. Free memory was 101.8MB in the beginning and 100.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:03:30,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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 2a12d5b905fa07b94a851888f481630fccc5d15913fb6b7efa54c908526d1783 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:03:32,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:03:32,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-12-02 21:03:32,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:03:32,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:03:32,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:03:32,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:03:32,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:03:32,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:03:32,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:03:32,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:03:32,784 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 21:03:32,784 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 21:03:32,785 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 21:03:32,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:03:32,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:03:32,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:03:32,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:03:32,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:03:32,788 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:03:32,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:03:32,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:03:32,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:03:32,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:03:32,791 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:32,791 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:03:32,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:03:32,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:03:32,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:03:32,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:03:32,794 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:03:32,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:32,794 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:03:32,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:03:32,795 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_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a12d5b905fa07b94a851888f481630fccc5d15913fb6b7efa54c908526d1783 [2023-12-02 21:03:33,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:03:33,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:03:33,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:03:33,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:03:33,139 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:03:33,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/fib_safe-7.i [2023-12-02 21:03:35,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:03:36,213 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:03:36,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/sv-benchmarks/c/pthread/fib_safe-7.i [2023-12-02 21:03:36,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data/6f8aa4e24/a1f04b5456d94908ba89cd9c1c716f7a/FLAGc4d2ccbda [2023-12-02 21:03:36,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/data/6f8aa4e24/a1f04b5456d94908ba89cd9c1c716f7a [2023-12-02 21:03:36,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:03:36,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:03:36,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:03:36,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:03:36,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:03:36,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f430dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36, skipping insertion in model container [2023-12-02 21:03:36,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:03:36,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:03:36,628 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:03:36,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:03:36,713 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:03:36,714 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:03:36,721 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:03:36,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36 WrapperNode [2023-12-02 21:03:36,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:03:36,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:03:36,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:03:36,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:03:36,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,767 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-12-02 21:03:36,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:03:36,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:03:36,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:03:36,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:03:36,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:03:36,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:03:36,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:03:36,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:03:36,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:36" (1/1) ... [2023-12-02 21:03:36,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:03:36,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:03:36,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:03:36,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:03:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 21:03:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 21:03:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 21:03:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 21:03:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:03:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:03:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:03:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:03:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:03:36,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:03:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:03:36,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:03:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:03:36,868 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 21:03:37,008 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:03:37,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:03:37,212 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:03:37,223 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:03:37,224 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 21:03:37,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:03:37 BoogieIcfgContainer [2023-12-02 21:03:37,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:03:37,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:03:37,227 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:03:37,237 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:03:37,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:03:37" (1/1) ... [2023-12-02 21:03:37,238 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 21:03:37,243 INFO L158 Benchmark]: Toolchain (without parser) took 995.08ms. Allocated memory is still 88.1MB. Free memory was 63.2MB in the beginning and 40.7MB in the end (delta: 22.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-12-02 21:03:37,243 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:03:37,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.11ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 62.4MB in the end (delta: 585.2kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-12-02 21:03:37,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.40ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 60.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:03:37,245 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 88.1MB. Free memory was 60.4MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:03:37,246 INFO L158 Benchmark]: RCFGBuilder took 425.64ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 42.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:03:37,246 INFO L158 Benchmark]: CodeCheck took 14.43ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 41.1MB in the end (delta: 893.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:03:37,249 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 0.41ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.11ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 62.4MB in the end (delta: 585.2kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.40ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 60.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 88.1MB. Free memory was 60.4MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.64ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 42.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.43ms. Allocated memory is still 88.1MB. Free memory was 42.0MB in the beginning and 41.1MB in the end (delta: 893.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:03:37,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfe9124-d6ff-4ec0-87f0-4688602c539a/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