./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.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_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/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_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/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_520354e1-3054-4af4-8f57-651aea02564b/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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:37,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:37,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:53:37,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:37,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:37,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:37,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:37,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:37,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:37,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:37,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:37,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:37,779 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:37,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:37,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:37,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:37,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:37,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:37,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:37,783 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:37,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:37,784 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:37,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:37,785 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:37,786 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:37,786 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:37,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:37,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:37,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:37,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:37,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:37,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:37,789 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:37,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:37,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:37,790 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_520354e1-3054-4af4-8f57-651aea02564b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2023-11-19 02:53:38,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:38,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:38,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:38,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:38,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:38,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-19 02:53:41,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:41,607 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:41,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-19 02:53:41,630 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data/bcb6aa508/b66121bdc8da44888ff276ae431b43bb/FLAG649447e8f [2023-11-19 02:53:41,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data/bcb6aa508/b66121bdc8da44888ff276ae431b43bb [2023-11-19 02:53:41,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:41,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:41,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:41,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:41,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:41,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a65a7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41, skipping insertion in model container [2023-11-19 02:53:41,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:42,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:42,369 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:42,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:42,520 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:42,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42 WrapperNode [2023-11-19 02:53:42,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:42,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:42,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:42,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:42,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,617 INFO L138 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-19 02:53:42,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:42,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:42,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:42,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:42,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:42,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:42,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:42,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:42,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:42" (1/1) ... [2023-11-19 02:53:42,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:42,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:42,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:53:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:53:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:53:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:53:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 02:53:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 02:53:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:53:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 02:53:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 02:53:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:42,797 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 02:53:43,028 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:43,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:43,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:43,387 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:43,387 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:53:43,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:43 BoogieIcfgContainer [2023-11-19 02:53:43,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:43,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:43,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:43,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:43,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:43" (1/1) ... [2023-11-19 02:53:43,405 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 02:53:43,410 INFO L158 Benchmark]: Toolchain (without parser) took 1742.82ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 91.7MB in the beginning and 150.4MB in the end (delta: -58.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:43,410 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:43,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.21ms. Allocated memory is still 140.5MB. Free memory was 91.3MB in the beginning and 61.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:43,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.10ms. Allocated memory is still 140.5MB. Free memory was 61.9MB in the beginning and 59.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:53:43,413 INFO L158 Benchmark]: Boogie Preprocessor took 69.65ms. Allocated memory is still 140.5MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:43,414 INFO L158 Benchmark]: RCFGBuilder took 704.48ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 57.2MB in the beginning and 151.4MB in the end (delta: -94.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:43,414 INFO L158 Benchmark]: CodeCheck took 14.21ms. Allocated memory is still 190.8MB. Free memory was 151.4MB in the beginning and 150.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:43,418 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 140.5MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.21ms. Allocated memory is still 140.5MB. Free memory was 91.3MB in the beginning and 61.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.10ms. Allocated memory is still 140.5MB. Free memory was 61.9MB in the beginning and 59.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.65ms. Allocated memory is still 140.5MB. Free memory was 59.3MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 704.48ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 57.2MB in the beginning and 151.4MB in the end (delta: -94.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 14.21ms. Allocated memory is still 190.8MB. Free memory was 151.4MB in the beginning and 150.4MB in the end (delta: 1.1MB). 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 02:53:43,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/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_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/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_520354e1-3054-4af4-8f57-651aea02564b/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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:46,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:46,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:53:46,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:46,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:46,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:46,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:46,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:46,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:46,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:46,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:46,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:46,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:46,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:46,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:46,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:46,361 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:53:46,361 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:53:46,362 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:46,362 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:53:46,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:46,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:46,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:46,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:46,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:46,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:46,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:46,367 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:46,367 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:46,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:46,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:46,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:46,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:46,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:46,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:53:46,372 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:46,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:46,372 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:53:46,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:46,374 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_520354e1-3054-4af4-8f57-651aea02564b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2023-11-19 02:53:46,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:46,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:46,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:46,881 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:46,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:46,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-19 02:53:49,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:50,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:50,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/sv-benchmarks/c/pthread/stack_longer-1.i [2023-11-19 02:53:50,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data/6d0a479ca/9929c86ef3324e10b9da8680b46c5dd2/FLAG18369473b [2023-11-19 02:53:50,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/data/6d0a479ca/9929c86ef3324e10b9da8680b46c5dd2 [2023-11-19 02:53:50,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:50,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:50,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:50,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:50,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:50,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:50" (1/1) ... [2023-11-19 02:53:50,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107b54c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:50, skipping insertion in model container [2023-11-19 02:53:50,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:50" (1/1) ... [2023-11-19 02:53:50,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:51,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:51,156 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:51,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:51,356 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:51,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51 WrapperNode [2023-11-19 02:53:51,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:51,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:51,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:51,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:51,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,461 INFO L138 Inliner]: procedures = 281, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-19 02:53:51,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:51,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:51,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:51,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:51,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:51,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:51,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:51,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:51,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:51" (1/1) ... [2023-11-19 02:53:51,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:51,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:51,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:51,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:51,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:53:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 02:53:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 02:53:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 02:53:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 02:53:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:53:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 02:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 02:53:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 02:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 02:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 02:53:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 02:53:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:51,637 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 02:53:51,881 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:51,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:52,226 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:52,238 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:52,238 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:53:52,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:52 BoogieIcfgContainer [2023-11-19 02:53:52,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:52,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:52,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:52,255 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:52,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,262 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 02:53:52,267 INFO L158 Benchmark]: Toolchain (without parser) took 1857.80ms. Allocated memory is still 67.1MB. Free memory was 41.9MB in the beginning and 32.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 02:53:52,268 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:52,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 947.16ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 43.8MB in the end (delta: -2.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:52,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.20ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:52,270 INFO L158 Benchmark]: Boogie Preprocessor took 82.29ms. Allocated memory is still 67.1MB. Free memory was 40.9MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:52,271 INFO L158 Benchmark]: RCFGBuilder took 698.15ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 33.6MB in the end (delta: 5.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-19 02:53:52,271 INFO L158 Benchmark]: CodeCheck took 21.37ms. Allocated memory is still 67.1MB. Free memory was 33.6MB in the beginning and 32.7MB in the end (delta: 870.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:52,275 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 0.37ms. Allocated memory is still 54.5MB. Free memory was 31.0MB in the beginning and 31.0MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 947.16ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 43.8MB in the end (delta: -2.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.20ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 40.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.29ms. Allocated memory is still 67.1MB. Free memory was 40.9MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.15ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 33.6MB in the end (delta: 5.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * CodeCheck took 21.37ms. Allocated memory is still 67.1MB. Free memory was 33.6MB in the beginning and 32.7MB in the end (delta: 870.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:53:52,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_520354e1-3054-4af4-8f57-651aea02564b/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported