./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2 --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 f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:36,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:36,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:36,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:36,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:36,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:36,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:36,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:36,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:36,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:36,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:36,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:36,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:36,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:36,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:36,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:36,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:36,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:36,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:36,947 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:36,948 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:36,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:36,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:36,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:36,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:36,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:36,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:36,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:36,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:36,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:36,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:36,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:36,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:36,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:36,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:36,956 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_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a [2023-11-21 18:39:37,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:37,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:37,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:37,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:37,251 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:37,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-21 18:39:40,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:40,757 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:40,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-21 18:39:40,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data/9e4f61955/a2b955dad9cf439387db789c78111838/FLAGe2b2f837d [2023-11-21 18:39:40,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data/9e4f61955/a2b955dad9cf439387db789c78111838 [2023-11-21 18:39:40,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:40,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:40,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:40,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:40,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:40,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:40" (1/1) ... [2023-11-21 18:39:40,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3902ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:40, skipping insertion in model container [2023-11-21 18:39:40,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:40" (1/1) ... [2023-11-21 18:39:40,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:41,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:41,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:41,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:41,655 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:41,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41 WrapperNode [2023-11-21 18:39:41,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:41,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:41,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:41,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:41,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,737 INFO L138 Inliner]: procedures = 275, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2023-11-21 18:39:41,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:41,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:41,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:41,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:41,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:41,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:41,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:41,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:41,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:41" (1/1) ... [2023-11-21 18:39:41,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:41,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:41,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:41,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:39:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:39:41,880 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:39:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:39:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:39:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:39:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:41,881 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:39:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:39:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:39:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:39:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:39:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:39:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:41,885 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:39:42,041 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:42,044 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:42,470 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:42,517 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:42,517 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:42,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:42 BoogieIcfgContainer [2023-11-21 18:39:42,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:42,525 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:42,525 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:42,533 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:42,534 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:42" (1/1) ... [2023-11-21 18:39:42,535 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) [2023-11-21 18:39:42,540 INFO L158 Benchmark]: Toolchain (without parser) took 1726.77ms. Allocated memory is still 134.2MB. Free memory was 81.6MB in the beginning and 62.2MB in the end (delta: 19.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:42,541 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:42,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.80ms. Allocated memory is still 134.2MB. Free memory was 81.3MB in the beginning and 91.3MB in the end (delta: -9.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-21 18:39:42,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.37ms. Allocated memory is still 134.2MB. Free memory was 91.3MB in the beginning and 88.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:42,544 INFO L158 Benchmark]: Boogie Preprocessor took 43.89ms. Allocated memory is still 134.2MB. Free memory was 88.6MB in the beginning and 85.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:42,544 INFO L158 Benchmark]: RCFGBuilder took 739.16ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 63.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:42,545 INFO L158 Benchmark]: CodeCheck took 13.17ms. Allocated memory is still 134.2MB. Free memory was 63.4MB in the beginning and 62.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:42,548 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 0.33ms. Allocated memory is still 134.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.80ms. Allocated memory is still 134.2MB. Free memory was 81.3MB in the beginning and 91.3MB in the end (delta: -9.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.37ms. Allocated memory is still 134.2MB. Free memory was 91.3MB in the beginning and 88.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.89ms. Allocated memory is still 134.2MB. Free memory was 88.6MB in the beginning and 85.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 739.16ms. Allocated memory is still 134.2MB. Free memory was 85.9MB in the beginning and 63.4MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 13.17ms. Allocated memory is still 134.2MB. Free memory was 63.4MB in the beginning and 62.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:39:42,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2 --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 f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:45,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:45,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:39:45,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:45,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:45,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:45,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:45,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:45,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:45,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:45,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:45,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:45,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:45,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:45,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:45,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:45,490 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:39:45,490 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:39:45,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:45,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:39:45,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:45,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:45,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:45,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:45,495 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:45,496 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:45,496 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:45,497 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:45,498 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:39:45,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:45,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:45,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:45,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:45,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:45,501 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:39:45,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:39:45,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:45,502 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:39:45,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:39:45,502 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_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a [2023-11-21 18:39:45,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:46,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:46,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:46,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:46,017 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:46,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-21 18:39:49,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:49,660 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:49,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-21 18:39:49,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data/802118732/7fbc28d9e4574c32ad11e0ac82aa29de/FLAG9394a3b9a [2023-11-21 18:39:49,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/data/802118732/7fbc28d9e4574c32ad11e0ac82aa29de [2023-11-21 18:39:49,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:49,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:49,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:49,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:49,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:49,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:49" (1/1) ... [2023-11-21 18:39:49,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a84c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:49, skipping insertion in model container [2023-11-21 18:39:49,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:49" (1/1) ... [2023-11-21 18:39:49,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:50,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:50,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:50,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:50,894 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:50,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50 WrapperNode [2023-11-21 18:39:50,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:50,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:50,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:50,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:50,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:50,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:50,997 INFO L138 Inliner]: procedures = 279, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 190 [2023-11-21 18:39:50,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:50,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:50,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:50,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:51,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:51,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:51,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:51,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:51,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:50" (1/1) ... [2023-11-21 18:39:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:51,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:51,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:51,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:39:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:39:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:39:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:39:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:39:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:39:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:39:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:39:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:39:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:39:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:39:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:39:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:39:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:39:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:51,179 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:39:51,439 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:51,442 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:52,022 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:52,050 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:52,051 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:52,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:52 BoogieIcfgContainer [2023-11-21 18:39:52,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:52,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:52,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:52,065 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:52,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:52" (1/1) ... [2023-11-21 18:39:52,082 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) [2023-11-21 18:39:52,089 INFO L158 Benchmark]: Toolchain (without parser) took 2374.37ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 41.0MB in the beginning and 63.8MB in the end (delta: -22.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-21 18:39:52,090 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:52,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.52ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.7MB in the beginning and 45.1MB in the end (delta: -4.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-21 18:39:52,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.06ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:52,095 INFO L158 Benchmark]: Boogie Preprocessor took 77.85ms. Allocated memory is still 88.1MB. Free memory was 42.3MB in the beginning and 65.1MB in the end (delta: -22.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:52,096 INFO L158 Benchmark]: RCFGBuilder took 975.61ms. Allocated memory is still 88.1MB. Free memory was 64.7MB in the beginning and 39.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:39:52,097 INFO L158 Benchmark]: CodeCheck took 33.80ms. Allocated memory is still 88.1MB. Free memory was 39.1MB in the beginning and 63.8MB in the end (delta: -24.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-21 18:39:52,107 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 0.32ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1179.52ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 40.7MB in the beginning and 45.1MB in the end (delta: -4.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.06ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 42.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.85ms. Allocated memory is still 88.1MB. Free memory was 42.3MB in the beginning and 65.1MB in the end (delta: -22.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 975.61ms. Allocated memory is still 88.1MB. Free memory was 64.7MB in the beginning and 39.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 33.80ms. Allocated memory is still 88.1MB. Free memory was 39.1MB in the beginning and 63.8MB in the end (delta: -24.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:39:52,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0ae044-2c42-47fd-bc86-5af1d6f73da7/bin/ukojak-verify-i0I2FZA1j2/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