./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.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_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/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_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/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_1970e34f-4dc7-420f-88f3-9053412bd423/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 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:47:38,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:47:38,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:47:38,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:47:38,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:47:38,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:47:38,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:47:38,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:47:38,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:47:38,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:47:38,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:47:38,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:47:38,830 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:47:38,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:47:38,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:47:38,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:47:38,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:47:38,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:47:38,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:47:38,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:47:38,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:47:38,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:47:38,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:47:38,835 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:47:38,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:47:38,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:47:38,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:47:38,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:47:38,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:38,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:47:38,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:47:38,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:47:38,839 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:47:38,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:47:38,840 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:47:38,840 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_1970e34f-4dc7-420f-88f3-9053412bd423/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-12-03 00:47:39,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:47:39,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:47:39,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:47:39,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:47:39,096 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:47:39,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-12-03 00:47:41,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:47:41,968 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:47:41,969 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-12-03 00:47:41,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data/13551d644/2347979edf35422f8fe6d2bedc116e28/FLAG0706e6ec8 [2023-12-03 00:47:41,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data/13551d644/2347979edf35422f8fe6d2bedc116e28 [2023-12-03 00:47:41,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:47:41,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:47:41,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:41,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:47:41,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:47:41,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:41" (1/1) ... [2023-12-03 00:47:41,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d28a2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:41, skipping insertion in model container [2023-12-03 00:47:41,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:41" (1/1) ... [2023-12-03 00:47:42,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:47:42,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:42,183 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:47:42,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:42,218 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:47:42,219 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:47:42,235 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:47:42,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42 WrapperNode [2023-12-03 00:47:42,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:42,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:42,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:47:42,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:47:42,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,266 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-12-03 00:47:42,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:42,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:47:42,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:47:42,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:47:42,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:47:42,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:47:42,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:47:42,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:47:42,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:42,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:47:42,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:47:42,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:47:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:47:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:47:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:47:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:47:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:47:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:47:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:47:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:47:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:47:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:47:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:47:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:47:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:47:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:47:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:47:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:47:42,356 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:47:42,434 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:47:42,435 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:47:42,582 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:47:42,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:47:42,618 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:47:42,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:42 BoogieIcfgContainer [2023-12-03 00:47:42,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:47:42,620 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:47:42,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:47:42,627 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:47:42,628 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:42" (1/1) ... [2023-12-03 00:47:42,628 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) [2023-12-03 00:47:42,632 INFO L158 Benchmark]: Toolchain (without parser) took 640.74ms. Allocated memory is still 174.1MB. Free memory was 142.6MB in the beginning and 125.1MB in the end (delta: 17.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-12-03 00:47:42,632 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:47:42,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.30ms. Allocated memory is still 174.1MB. Free memory was 142.6MB in the beginning and 144.9MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:47:42,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.32ms. Allocated memory is still 174.1MB. Free memory was 144.9MB in the beginning and 143.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:47:42,634 INFO L158 Benchmark]: Boogie Preprocessor took 23.70ms. Allocated memory is still 174.1MB. Free memory was 143.0MB in the beginning and 141.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:47:42,634 INFO L158 Benchmark]: RCFGBuilder took 327.59ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 126.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:47:42,635 INFO L158 Benchmark]: CodeCheck took 10.51ms. Allocated memory is still 174.1MB. Free memory was 126.3MB in the beginning and 125.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:47:42,637 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 0.19ms. Allocated memory is still 121.6MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.30ms. Allocated memory is still 174.1MB. Free memory was 142.6MB in the beginning and 144.9MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.32ms. Allocated memory is still 174.1MB. Free memory was 144.9MB in the beginning and 143.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.70ms. Allocated memory is still 174.1MB. Free memory was 143.0MB in the beginning and 141.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.59ms. Allocated memory is still 174.1MB. Free memory was 141.9MB in the beginning and 126.3MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10.51ms. Allocated memory is still 174.1MB. Free memory was 126.3MB in the beginning and 125.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:47:42,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/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_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/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_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/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_1970e34f-4dc7-420f-88f3-9053412bd423/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 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:47:44,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:47:44,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:47:44,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:47:44,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:47:44,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:47:44,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:47:44,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:47:44,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:47:44,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:47:44,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:47:44,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:47:44,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:47:44,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:47:44,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:47:44,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:47:44,707 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:47:44,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:47:44,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:47:44,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:47:44,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:47:44,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:47:44,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:47:44,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:47:44,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:47:44,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:47:44,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:47:44,713 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:44,713 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:47:44,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:47:44,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:44,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:47:44,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:47:44,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:47:44,716 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:47:44,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:47:44,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:47:44,717 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:47:44,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:47:44,717 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_1970e34f-4dc7-420f-88f3-9053412bd423/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-12-03 00:47:45,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:47:45,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:47:45,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:47:45,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:47:45,044 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:47:45,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-12-03 00:47:47,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:47:48,027 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:47:48,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-12-03 00:47:48,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data/ecd3caf17/6e3cbb0d100a462684ac3ce25903e3af/FLAG21c38db4e [2023-12-03 00:47:48,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/data/ecd3caf17/6e3cbb0d100a462684ac3ce25903e3af [2023-12-03 00:47:48,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:47:48,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:47:48,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:48,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:47:48,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:47:48,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7282dfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48, skipping insertion in model container [2023-12-03 00:47:48,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:47:48,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:48,237 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:47:48,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:47:48,264 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:47:48,264 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:47:48,270 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:47:48,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48 WrapperNode [2023-12-03 00:47:48,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:47:48,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:48,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:47:48,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:47:48,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,301 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-12-03 00:47:48,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:47:48,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:47:48,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:47:48,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:47:48,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:47:48,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:47:48,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:47:48,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:47:48,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:47:48,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:47:48,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:47:48,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:47:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:47:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:47:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:47:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:47:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:47:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:47:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:47:48,400 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:47:48,500 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:47:48,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:47:48,668 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:47:48,715 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:47:48,715 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:47:48,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:48 BoogieIcfgContainer [2023-12-03 00:47:48,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:47:48,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:47:48,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:47:48,726 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:47:48,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:47:48" (1/1) ... [2023-12-03 00:47:48,727 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) [2023-12-03 00:47:48,731 INFO L158 Benchmark]: Toolchain (without parser) took 678.32ms. Allocated memory is still 123.7MB. Free memory was 100.2MB in the beginning and 68.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 00:47:48,732 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:47:48,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.88ms. Allocated memory is still 123.7MB. Free memory was 100.2MB in the beginning and 88.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:47:48,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.09ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 87.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:47:48,734 INFO L158 Benchmark]: Boogie Preprocessor took 29.64ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:47:48,734 INFO L158 Benchmark]: RCFGBuilder took 384.26ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 70.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:47:48,735 INFO L158 Benchmark]: CodeCheck took 11.62ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 68.7MB in the end (delta: 917.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:47:48,738 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 0.17ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.88ms. Allocated memory is still 123.7MB. Free memory was 100.2MB in the beginning and 88.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.09ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 87.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.64ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.26ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 70.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 11.62ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 68.7MB in the end (delta: 917.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:47:48,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1970e34f-4dc7-420f-88f3-9053412bd423/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