./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:33,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:33,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:59:33,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:33,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:33,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:33,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:33,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:33,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:33,805 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:33,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:33,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:33,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:33,809 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:59:33,810 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:59:33,810 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:59:33,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:33,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:59:33,812 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:33,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:33,813 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:33,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:33,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:33,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:33,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:33,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:33,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:33,817 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:33,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:33,818 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_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-19 03:59:34,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:34,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:34,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:34,157 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:34,157 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:34,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-19 03:59:37,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:37,834 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:37,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-19 03:59:37,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data/0e800f958/7919b152d6924308ad9ff2bb2534f8f2/FLAG8fa547cf2 [2023-11-19 03:59:37,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data/0e800f958/7919b152d6924308ad9ff2bb2534f8f2 [2023-11-19 03:59:37,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:37,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:37,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:37,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:37,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:37,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:37" (1/1) ... [2023-11-19 03:59:37,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7f258b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:37, skipping insertion in model container [2023-11-19 03:59:37,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:37" (1/1) ... [2023-11-19 03:59:37,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:38,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:38,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:38,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:38,591 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:38,591 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:38,601 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:38,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38 WrapperNode [2023-11-19 03:59:38,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:38,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:38,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:38,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:38,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,687 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 03:59:38,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:38,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:38,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:38,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:38,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:38,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:38,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:38,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:38,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:38" (1/1) ... [2023-11-19 03:59:38,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:38,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:38,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:38,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:59:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:59:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:59:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:59:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:59:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:59:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:59:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:38,844 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:59:39,075 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:39,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:39,466 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:39,478 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:39,489 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:59:39,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:39 BoogieIcfgContainer [2023-11-19 03:59:39,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:39,496 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:39,496 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:39,509 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:39,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:39" (1/1) ... [2023-11-19 03:59:39,526 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:59:39,533 INFO L158 Benchmark]: Toolchain (without parser) took 1651.04ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 108.4MB in the end (delta: 1.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-19 03:59:39,534 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 87.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:39,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.88ms. Allocated memory is still 140.5MB. Free memory was 109.2MB in the beginning and 89.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:59:39,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.50ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:39,538 INFO L158 Benchmark]: Boogie Preprocessor took 49.50ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 86.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:39,546 INFO L158 Benchmark]: RCFGBuilder took 755.41ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 109.6MB in the end (delta: -23.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-19 03:59:39,550 INFO L158 Benchmark]: CodeCheck took 35.27ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 108.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:39,559 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 0.34ms. Allocated memory is still 102.8MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 87.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.88ms. Allocated memory is still 140.5MB. Free memory was 109.2MB in the beginning and 89.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.50ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 87.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.50ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 86.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 755.41ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 109.6MB in the end (delta: -23.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 35.27ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 108.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:59:39,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:42,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:43,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:59:43,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:43,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:43,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:43,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:43,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:43,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:43,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:43,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:43,214 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:59:43,215 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:59:43,216 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:59:43,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:43,217 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:59:43,218 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:59:43,218 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:59:43,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:59:43,220 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:43,221 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:43,226 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:43,227 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:43,227 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:43,232 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:43,233 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:43,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:43,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:43,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:43,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:43,237 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:59:43,237 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:59:43,238 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:59:43,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:59:43,239 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_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-19 03:59:43,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:43,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:43,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:43,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:43,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:43,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-19 03:59:47,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:47,888 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:47,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-19 03:59:47,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data/b61822a96/9e722a4666b64ed1be758af847fe8902/FLAG696265853 [2023-11-19 03:59:47,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/data/b61822a96/9e722a4666b64ed1be758af847fe8902 [2023-11-19 03:59:47,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:47,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:47,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:47,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:47,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:47,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:47" (1/1) ... [2023-11-19 03:59:47,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41057805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:47, skipping insertion in model container [2023-11-19 03:59:47,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:47" (1/1) ... [2023-11-19 03:59:48,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:48,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:48,514 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:48,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:48,674 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:48,675 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:59:48,684 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:48,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48 WrapperNode [2023-11-19 03:59:48,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:48,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:48,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:48,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:48,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,786 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 03:59:48,786 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:48,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:48,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:48,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:48,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:48,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:48,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:48,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:48,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:48" (1/1) ... [2023-11-19 03:59:48,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:48,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:48,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:48,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:59:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:59:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:59:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:59:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:59:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:59:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:59:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:59:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:59:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:59:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:48,950 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:59:49,131 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:49,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:49,448 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:49,460 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:49,461 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:59:49,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:49 BoogieIcfgContainer [2023-11-19 03:59:49,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:49,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:49,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:49,481 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:49,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:49" (1/1) ... [2023-11-19 03:59:49,483 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:59:49,489 INFO L158 Benchmark]: Toolchain (without parser) took 1560.43ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 54.6MB in the beginning and 85.3MB in the end (delta: -30.8MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-19 03:59:49,490 INFO L158 Benchmark]: CDTParser took 8.50ms. Allocated memory is still 79.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:49,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.20ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 52.5MB in the end (delta: 1.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-19 03:59:49,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.51ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:49,492 INFO L158 Benchmark]: Boogie Preprocessor took 44.36ms. Allocated memory is still 79.7MB. Free memory was 50.4MB in the beginning and 48.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:49,494 INFO L158 Benchmark]: RCFGBuilder took 633.50ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 48.4MB in the beginning and 85.9MB in the end (delta: -37.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-19 03:59:49,495 INFO L158 Benchmark]: CodeCheck took 18.72ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.3MB in the end (delta: 556.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:49,499 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 8.50ms. Allocated memory is still 79.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.20ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 52.5MB in the end (delta: 1.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.51ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.36ms. Allocated memory is still 79.7MB. Free memory was 50.4MB in the beginning and 48.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.50ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 48.4MB in the beginning and 85.9MB in the end (delta: -37.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * CodeCheck took 18.72ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.3MB in the end (delta: 556.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:59:49,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc950d77-6cce-43f2-8e46-9747a3aa9f54/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported