./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:18,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:18,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:48:18,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:18,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:18,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:18,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:18,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:18,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:18,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:18,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:18,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:18,565 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:18,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:18,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:18,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:18,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:18,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:18,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:18,569 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:18,570 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:18,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:18,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:18,571 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:18,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:18,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:18,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:18,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:18,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:18,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:18,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:18,576 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:18,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:18,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:18,576 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_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-11 23:48:18,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:18,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:18,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:18,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:18,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:18,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-11 23:48:22,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:22,416 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:22,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/sv-benchmarks/c/pthread/stack-2.i [2023-11-11 23:48:22,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data/321cb238c/4616daa87f3e46098d988a271b1391c9/FLAG43d3c18a5 [2023-11-11 23:48:22,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data/321cb238c/4616daa87f3e46098d988a271b1391c9 [2023-11-11 23:48:22,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:22,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:22,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:22,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:22,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:22,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:22" (1/1) ... [2023-11-11 23:48:22,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564bd9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:22, skipping insertion in model container [2023-11-11 23:48:22,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:22" (1/1) ... [2023-11-11 23:48:22,545 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:23,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:23,063 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:23,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:23,253 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:23,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23 WrapperNode [2023-11-11 23:48:23,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:23,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:23,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:23,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:23,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,356 INFO L138 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-11 23:48:23,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:23,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:23,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:23,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:23,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:23,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:23,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:23,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:23,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:23" (1/1) ... [2023-11-11 23:48:23,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:23,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:23,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:23,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:48:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:48:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:48:23,525 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:48:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:23,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:48:23,526 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:48:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:48:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:48:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:48:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:23,529 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:23,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:23,687 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:24,003 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:24,016 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:24,017 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:48:24,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:24 BoogieIcfgContainer [2023-11-11 23:48:24,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:24,023 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:24,023 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:24,033 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:24,033 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:24" (1/1) ... [2023-11-11 23:48:24,034 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) [2023-11-11 23:48:24,040 INFO L158 Benchmark]: Toolchain (without parser) took 1583.30ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 78.3MB in the beginning and 82.9MB in the end (delta: -4.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,041 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 125.8MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:24,043 INFO L158 Benchmark]: CACSL2BoogieTranslator took 797.04ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 78.3MB in the beginning and 107.1MB in the end (delta: -28.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.87ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 103.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,045 INFO L158 Benchmark]: Boogie Preprocessor took 61.87ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,046 INFO L158 Benchmark]: RCFGBuilder took 601.03ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 84.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,047 INFO L158 Benchmark]: CodeCheck took 14.67ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 82.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:24,057 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 0.66ms. Allocated memory is still 125.8MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 797.04ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 78.3MB in the beginning and 107.1MB in the end (delta: -28.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.87ms. Allocated memory is still 151.0MB. Free memory was 107.1MB in the beginning and 103.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.87ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 101.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.03ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 84.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.67ms. Allocated memory is still 151.0MB. Free memory was 84.1MB in the beginning and 82.9MB 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. [2023-11-11 23:48:24,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:26,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:26,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:48:27,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:27,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:27,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:27,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:27,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:27,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:27,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:27,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:48:27,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:48:27,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:27,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:27,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:27,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:27,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:27,034 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:27,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:27,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:27,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:27,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:48:27,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:27,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:27,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:27,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:27,039 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:27,039 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:27,040 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:27,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:27,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:27,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:27,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:27,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:27,043 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:27,043 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:27,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:27,044 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:27,044 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:27,045 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_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2023-11-11 23:48:27,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:27,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:27,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:27,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:27,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:27,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack-2.i [2023-11-11 23:48:30,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:30,927 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:30,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/sv-benchmarks/c/pthread/stack-2.i [2023-11-11 23:48:30,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data/41be9353f/eae35f9b397c43b6ac0f5522423eb5be/FLAGe8078e192 [2023-11-11 23:48:30,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/data/41be9353f/eae35f9b397c43b6ac0f5522423eb5be [2023-11-11 23:48:30,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:30,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:30,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:30,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:30,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:30,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e5c512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30, skipping insertion in model container [2023-11-11 23:48:30,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:31,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:31,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:31,584 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:31,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:31,760 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:31,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31 WrapperNode [2023-11-11 23:48:31,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:31,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:31,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:31,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:31,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,863 INFO L138 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-11 23:48:31,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:31,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:31,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:31,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:31,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:31,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:31,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:31,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:31,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:31" (1/1) ... [2023-11-11 23:48:31,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:31,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:31,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:32,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:48:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:48:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:48:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:48:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:48:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:48:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:48:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:48:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:48:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:48:32,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:32,057 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:48:32,271 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:32,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:32,719 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:32,732 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:32,733 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:48:32,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:32 BoogieIcfgContainer [2023-11-11 23:48:32,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:32,738 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:32,738 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:32,749 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:32,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:32" (1/1) ... [2023-11-11 23:48:32,750 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) [2023-11-11 23:48:32,755 INFO L158 Benchmark]: Toolchain (without parser) took 1787.43ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 47.7MB in the beginning and 55.7MB in the end (delta: -8.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-11 23:48:32,756 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:32,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.74ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 47.6MB in the beginning and 56.4MB in the end (delta: -8.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:48:32,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.15ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 53.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:32,759 INFO L158 Benchmark]: Boogie Preprocessor took 80.97ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:32,761 INFO L158 Benchmark]: RCFGBuilder took 790.20ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 56.7MB in the end (delta: -5.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-11 23:48:32,762 INFO L158 Benchmark]: CodeCheck took 14.82ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 55.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:32,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.74ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 47.6MB in the beginning and 56.4MB in the end (delta: -8.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.15ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 53.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.97ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 790.20ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 56.7MB in the end (delta: -5.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 14.82ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 55.7MB 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. [2023-11-11 23:48:32,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f44d6d0a-ef26-4374-8fe5-53718f805df2/bin/ukojak-verify-0OAaufAVZV/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