./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9 --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 fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:00:37,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:00:37,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:00:37,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:00:37,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:00:37,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:00:37,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:00:37,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:00:37,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:00:37,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:00:37,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:00:37,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:00:37,508 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:00:37,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:00:37,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:00:37,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:00:37,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:00:37,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:00:37,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:00:37,512 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:00:37,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:00:37,514 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:00:37,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:00:37,515 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:00:37,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:00:37,516 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:00:37,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:00:37,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:00:37,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:00:37,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:00:37,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:00:37,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:00:37,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:00:37,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:00:37,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:00:37,527 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_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea [2023-12-02 23:00:37,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:00:37,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:00:37,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:00:37,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:00:37,767 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:00:37,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-02 23:00:40,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:00:40,704 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:00:40,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-02 23:00:40,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data/74c79319d/f8e369656d9c485eb55cf96aed7acacf/FLAGf71a669d0 [2023-12-02 23:00:40,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data/74c79319d/f8e369656d9c485eb55cf96aed7acacf [2023-12-02 23:00:40,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:00:40,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:00:40,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:00:40,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:00:40,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:00:40,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a475b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40, skipping insertion in model container [2023-12-02 23:00:40,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:00:40,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:00:40,894 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:00:40,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:00:40,919 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:00:40,919 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:00:40,925 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:00:40,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40 WrapperNode [2023-12-02 23:00:40,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:00:40,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:00:40,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:00:40,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:00:40,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,957 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-12-02 23:00:40,957 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:00:40,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:00:40,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:00:40,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:00:40,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:00:40,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:00:40,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:00:40,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:00:40,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:40" (1/1) ... [2023-12-02 23:00:40,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:00:40,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:00:41,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:00:41,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:00:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:00:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:00:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:00:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:00:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:00:41,043 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:00:41,142 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:00:41,144 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:00:41,329 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:00:41,417 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:00:41,417 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:00:41,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:00:41 BoogieIcfgContainer [2023-12-02 23:00:41,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:00:41,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:00:41,420 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:00:41,428 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:00:41,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:00:41" (1/1) ... [2023-12-02 23:00:41,429 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) [2023-12-02 23:00:41,434 INFO L158 Benchmark]: Toolchain (without parser) took 706.72ms. Allocated memory is still 153.1MB. Free memory was 114.7MB in the beginning and 80.1MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 23:00:41,434 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory was 120.6MB in the beginning and 120.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:00:41,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.71ms. Allocated memory is still 153.1MB. Free memory was 114.7MB in the beginning and 103.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:00:41,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.87ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 102.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:00:41,437 INFO L158 Benchmark]: Boogie Preprocessor took 21.71ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:00:41,438 INFO L158 Benchmark]: RCFGBuilder took 438.90ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 81.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:00:41,438 INFO L158 Benchmark]: CodeCheck took 12.27ms. Allocated memory is still 153.1MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:00:41,442 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 0.21ms. Allocated memory is still 153.1MB. Free memory was 120.6MB in the beginning and 120.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.71ms. Allocated memory is still 153.1MB. Free memory was 114.7MB in the beginning and 103.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.87ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 102.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.71ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.90ms. Allocated memory is still 153.1MB. Free memory was 100.5MB in the beginning and 81.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 12.27ms. Allocated memory is still 153.1MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:00:41,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/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_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9 --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 fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:00:43,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:00:43,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:00:43,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:00:43,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:00:43,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:00:43,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:00:43,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:00:43,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:00:43,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:00:43,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:00:43,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:00:43,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:00:43,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:00:43,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:00:43,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:00:43,459 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:00:43,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:00:43,460 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:00:43,461 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:00:43,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:00:43,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:00:43,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:00:43,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:00:43,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:00:43,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:00:43,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:00:43,467 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:43,467 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:00:43,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:00:43,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:00:43,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:00:43,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:00:43,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:00:43,469 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:00:43,469 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:43,470 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:00:43,470 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:00:43,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:00:43,470 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_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea [2023-12-02 23:00:43,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:00:43,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:00:43,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:00:43,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:00:43,814 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:00:43,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-02 23:00:46,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:00:46,802 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:00:46,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2023-12-02 23:00:46,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data/9d987db5f/d67ee0d0f7fd441a9494711d86270d46/FLAG407200058 [2023-12-02 23:00:46,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/data/9d987db5f/d67ee0d0f7fd441a9494711d86270d46 [2023-12-02 23:00:46,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:00:46,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:00:46,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:00:46,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:00:46,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:00:46,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:46" (1/1) ... [2023-12-02 23:00:46,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502228db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:46, skipping insertion in model container [2023-12-02 23:00:46,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:00:46" (1/1) ... [2023-12-02 23:00:46,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:00:47,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:00:47,015 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:00:47,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:00:47,044 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:00:47,044 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:00:47,050 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:00:47,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47 WrapperNode [2023-12-02 23:00:47,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:00:47,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:00:47,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:00:47,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:00:47,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,084 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-12-02 23:00:47,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:00:47,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:00:47,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:00:47,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:00:47,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:00:47,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:00:47,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:00:47,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:00:47,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:00:47,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:00:47,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:00:47,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:00:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:00:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:00:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:00:47,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:00:47,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:00:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:00:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:00:47,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:00:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:00:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:00:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:00:47,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:00:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:00:47,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:00:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:00:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:00:47,187 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:00:47,282 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:00:47,284 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:00:47,525 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:00:47,611 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:00:47,612 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:00:47,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:00:47 BoogieIcfgContainer [2023-12-02 23:00:47,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:00:47,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:00:47,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:00:47,625 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:00:47,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:00:47" (1/1) ... [2023-12-02 23:00:47,626 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) [2023-12-02 23:00:47,631 INFO L158 Benchmark]: Toolchain (without parser) took 802.31ms. Allocated memory is still 104.9MB. Free memory was 81.2MB in the beginning and 68.8MB in the end (delta: 12.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-12-02 23:00:47,631 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:00:47,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.34ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 69.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:00:47,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.52ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 67.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:00:47,634 INFO L158 Benchmark]: Boogie Preprocessor took 31.04ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:00:47,634 INFO L158 Benchmark]: RCFGBuilder took 496.51ms. Allocated memory is still 104.9MB. Free memory was 66.4MB in the beginning and 70.0MB in the end (delta: -3.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-12-02 23:00:47,635 INFO L158 Benchmark]: CodeCheck took 14.32ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 68.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:00:47,639 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 0.28ms. Allocated memory is still 67.1MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.34ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 69.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.52ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 67.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.04ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.51ms. Allocated memory is still 104.9MB. Free memory was 66.4MB in the beginning and 70.0MB in the end (delta: -3.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * CodeCheck took 14.32ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 68.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:00:47,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2018617-c4aa-4c9c-a5c9-5aec19101a25/bin/ukojak-verify-Qdu7aM0XO9/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