./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/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_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:04,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:04,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:47:04,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:04,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:04,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:04,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:04,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:04,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:04,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:04,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:04,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:04,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:04,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:04,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:04,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:04,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:04,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:04,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:04,521 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:04,521 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:04,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:04,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:04,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:04,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:04,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:04,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:04,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:04,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:04,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:04,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:04,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:04,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:04,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:04,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:04,529 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_cbca79f4-8ea8-484d-af29-7f7787943562/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-19 02:47:04,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:04,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:04,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:04,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:04,958 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:04,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-19 02:47:08,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:08,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:08,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-19 02:47:08,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data/bd6d0fdc5/ee29d9a843194d1c9ac7ddd884b6539e/FLAG07380b025 [2023-11-19 02:47:08,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data/bd6d0fdc5/ee29d9a843194d1c9ac7ddd884b6539e [2023-11-19 02:47:08,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:08,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:08,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:08,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:08,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:08,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:08" (1/1) ... [2023-11-19 02:47:08,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3a3727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:08, skipping insertion in model container [2023-11-19 02:47:08,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:08" (1/1) ... [2023-11-19 02:47:08,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:09,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:09,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:09,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:09,864 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:09,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09 WrapperNode [2023-11-19 02:47:09,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:09,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:09,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:09,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:09,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:09,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:09,980 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2023-11-19 02:47:09,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:09,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:09,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:09,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:09,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:09,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:10,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:10,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:10,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:10,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:09" (1/1) ... [2023-11-19 02:47:10,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:10,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:10,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:10,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:47:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:47:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:47:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:47:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:47:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:47:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 02:47:10,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 02:47:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:47:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 02:47:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 02:47:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:10,319 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 02:47:10,557 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:10,560 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:10,907 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:10,921 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:10,921 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:47:10,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:10 BoogieIcfgContainer [2023-11-19 02:47:10,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:10,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:10,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:10,940 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:10,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,941 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 02:47:10,952 INFO L158 Benchmark]: Toolchain (without parser) took 2046.48ms. Allocated memory is still 159.4MB. Free memory was 125.2MB in the beginning and 111.3MB in the end (delta: 13.8MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:10,953 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:10,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.94ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 95.3MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 02:47:10,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.40ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 92.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:47:10,956 INFO L158 Benchmark]: Boogie Preprocessor took 88.67ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:10,958 INFO L158 Benchmark]: RCFGBuilder took 855.42ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 112.4MB in the end (delta: -21.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:47:10,960 INFO L158 Benchmark]: CodeCheck took 21.18ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 111.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:10,971 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 0.35ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.94ms. Allocated memory is still 159.4MB. Free memory was 124.6MB in the beginning and 95.3MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.40ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 92.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.67ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 855.42ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 112.4MB in the end (delta: -21.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 21.18ms. Allocated memory is still 159.4MB. Free memory was 112.4MB in the beginning and 111.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:47:11,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/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_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/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_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:14,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:14,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:47:14,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:14,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:14,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:14,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:14,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:14,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:14,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:14,247 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:14,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:14,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:14,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:14,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:14,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:14,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:47:14,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:47:14,252 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:14,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:47:14,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:14,257 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:14,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:14,259 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:14,259 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:14,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:14,260 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:14,261 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:47:14,261 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:47:14,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:14,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:14,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:14,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:14,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:14,265 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:47:14,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:47:14,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:14,266 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:47:14,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:47:14,268 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_cbca79f4-8ea8-484d-af29-7f7787943562/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-19 02:47:14,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:14,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:14,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:14,777 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:14,778 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:14,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-19 02:47:18,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:18,546 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:18,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-19 02:47:18,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data/ded710451/aa998e08c1304255a3922cbb5a9ff9f9/FLAG08b1126cf [2023-11-19 02:47:18,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/data/ded710451/aa998e08c1304255a3922cbb5a9ff9f9 [2023-11-19 02:47:18,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:18,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:18,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:18,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:18,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:18,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:18" (1/1) ... [2023-11-19 02:47:18,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed1b3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:18, skipping insertion in model container [2023-11-19 02:47:18,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:18" (1/1) ... [2023-11-19 02:47:18,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:19,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:19,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:19,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:19,734 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:19,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19 WrapperNode [2023-11-19 02:47:19,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:19,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:19,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:19,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:19,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,819 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-19 02:47:19,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:19,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:19,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:19,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:19,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:19,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:19,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:19,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:19,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:19" (1/1) ... [2023-11-19 02:47:19,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:19,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:20,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:20,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:47:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:47:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:47:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:47:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:47:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:47:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:47:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:47:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:47:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 02:47:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 02:47:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 02:47:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:47:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 02:47:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 02:47:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:20,064 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 02:47:20,294 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:20,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:20,782 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:20,804 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:20,804 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:47:20,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:20 BoogieIcfgContainer [2023-11-19 02:47:20,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:20,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:20,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:20,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:20,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:20" (1/1) ... [2023-11-19 02:47:20,827 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 02:47:20,835 INFO L158 Benchmark]: Toolchain (without parser) took 2217.00ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 55.8MB in the beginning and 69.9MB in the end (delta: -14.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 02:47:20,836 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:20,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1113.13ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 45.8MB in the end (delta: 9.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-19 02:47:20,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.95ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 43.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:47:20,840 INFO L158 Benchmark]: Boogie Preprocessor took 120.27ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 40.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:47:20,841 INFO L158 Benchmark]: RCFGBuilder took 866.51ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 71.2MB in the end (delta: -30.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-19 02:47:20,842 INFO L158 Benchmark]: CodeCheck took 18.17ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:47:20,854 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 1.35ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 57.3MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1113.13ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 45.8MB in the end (delta: 9.8MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.95ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 43.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 120.27ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 40.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 866.51ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 71.2MB in the end (delta: -30.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 18.17ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.9MB 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 02:47:20,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbca79f4-8ea8-484d-af29-7f7787943562/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