./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_safe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:48,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:48,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:12:48,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:48,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:48,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:48,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:48,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:48,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:48,929 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:48,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:48,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:48,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:48,932 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:12:48,933 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:12:48,933 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:12:48,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:48,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:12:48,935 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:48,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:48,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:48,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:48,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:48,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:48,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:48,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:48,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:48,939 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:48,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:48,940 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_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 [2023-11-19 03:12:49,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:49,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:49,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:49,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:49,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:49,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-19 03:12:52,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:52,779 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:52,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-19 03:12:52,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data/a3d540830/d16f4da759a74d7ab440bf2d551a80f0/FLAG8740fc461 [2023-11-19 03:12:52,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data/a3d540830/d16f4da759a74d7ab440bf2d551a80f0 [2023-11-19 03:12:52,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:52,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:52,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:52,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:52,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:52,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:52" (1/1) ... [2023-11-19 03:12:52,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc20410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:52, skipping insertion in model container [2023-11-19 03:12:52,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:52" (1/1) ... [2023-11-19 03:12:52,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:53,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:53,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:12:53,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:53,463 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:12:53,464 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:12:53,472 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:12:53,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53 WrapperNode [2023-11-19 03:12:53,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:53,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:53,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:12:53,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:12:53,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,546 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 03:12:53,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:53,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:12:53,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:12:53,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:12:53,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:12:53,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:12:53,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:12:53,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:12:53,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:53" (1/1) ... [2023-11-19 03:12:53,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:53,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:12:53,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:12:53,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:12:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:12:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:12:53,684 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:12:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:12:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:12:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:12:53,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:12:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:12:53,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:12:53,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:12:53,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:12:53,689 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 03:12:53,828 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:12:53,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:12:54,067 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:12:54,077 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:12:54,078 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:12:54,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:54 BoogieIcfgContainer [2023-11-19 03:12:54,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:12:54,083 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:12:54,083 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:12:54,129 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:12:54,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:54" (1/1) ... [2023-11-19 03:12:54,130 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 03:12:54,136 INFO L158 Benchmark]: Toolchain (without parser) took 1302.60ms. Allocated memory is still 197.1MB. Free memory was 150.3MB in the beginning and 166.0MB in the end (delta: -15.7MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-19 03:12:54,137 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:12:54,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.00ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 130.7MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:12:54,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.27ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:12:54,139 INFO L158 Benchmark]: Boogie Preprocessor took 53.98ms. Allocated memory is still 197.1MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:12:54,140 INFO L158 Benchmark]: RCFGBuilder took 480.06ms. Allocated memory is still 197.1MB. Free memory was 127.1MB in the beginning and 112.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:12:54,140 INFO L158 Benchmark]: CodeCheck took 51.25ms. Allocated memory is still 197.1MB. Free memory was 112.4MB in the beginning and 166.0MB in the end (delta: -53.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-19 03:12:54,144 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 0.25ms. Allocated memory is still 127.9MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.00ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 130.7MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.27ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.98ms. Allocated memory is still 197.1MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 480.06ms. Allocated memory is still 197.1MB. Free memory was 127.1MB in the beginning and 112.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 51.25ms. Allocated memory is still 197.1MB. Free memory was 112.4MB in the beginning and 166.0MB in the end (delta: -53.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:12:54,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_safe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:56,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:56,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:12:56,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:56,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:56,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:56,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:56,999 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:57,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:57,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:57,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:57,006 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:12:57,007 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:12:57,008 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:12:57,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:57,009 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:12:57,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:12:57,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:12:57,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:12:57,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:57,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:57,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:57,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:57,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:57,015 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:12:57,015 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:12:57,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:57,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:57,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:57,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:57,019 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:12:57,019 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:12:57,020 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:12:57,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:12:57,020 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_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 [2023-11-19 03:12:57,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:57,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:57,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:57,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:57,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:57,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-19 03:13:00,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:01,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:01,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-19 03:13:01,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data/76bd4a04e/a6be58b256d5411d91eb7e4eeccb0918/FLAG720fe83e2 [2023-11-19 03:13:01,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/data/76bd4a04e/a6be58b256d5411d91eb7e4eeccb0918 [2023-11-19 03:13:01,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:01,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:01,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:01,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:01,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:01,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6413c4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01, skipping insertion in model container [2023-11-19 03:13:01,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:01,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:01,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:01,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:01,859 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:01,859 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:13:01,867 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:01,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01 WrapperNode [2023-11-19 03:13:01,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:01,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:01,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:01,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:01,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,946 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 78 [2023-11-19 03:13:01,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:01,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:01,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:01,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:01,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:01,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:02,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:02,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:02,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:02,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:02,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:02,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:02,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:01" (1/1) ... [2023-11-19 03:13:02,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:02,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:02,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:02,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:13:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:13:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:13:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:13:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:13:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:13:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:13:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:13:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:13:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:13:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:02,110 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 03:13:02,327 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:02,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:02,645 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:02,660 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:02,660 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:13:02,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:02 BoogieIcfgContainer [2023-11-19 03:13:02,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:02,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:02,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:02,681 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:02,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:02" (1/1) ... [2023-11-19 03:13:02,682 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 03:13:02,691 INFO L158 Benchmark]: Toolchain (without parser) took 1585.43ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 47.6MB in the beginning and 75.8MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:02,691 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:02,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.69ms. Allocated memory is still 77.6MB. Free memory was 47.4MB in the beginning and 48.2MB in the end (delta: -796.8kB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-19 03:13:02,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.73ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:02,695 INFO L158 Benchmark]: Boogie Preprocessor took 60.07ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 44.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:02,696 INFO L158 Benchmark]: RCFGBuilder took 658.60ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 44.0MB in the beginning and 76.6MB in the end (delta: -32.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-19 03:13:02,697 INFO L158 Benchmark]: CodeCheck took 19.51ms. Allocated memory is still 104.9MB. Free memory was 76.6MB in the beginning and 75.8MB in the end (delta: 777.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:02,708 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 0.60ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.69ms. Allocated memory is still 77.6MB. Free memory was 47.4MB in the beginning and 48.2MB in the end (delta: -796.8kB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.73ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.07ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 44.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 658.60ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 44.0MB in the beginning and 76.6MB in the end (delta: -32.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * CodeCheck took 19.51ms. Allocated memory is still 104.9MB. Free memory was 76.6MB in the beginning and 75.8MB in the end (delta: 777.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:13:02,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fafe3847-700d-41b7-b2dc-dddb1bfee76c/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