./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC --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 e3298e0ac573b72ea1dd21021e341a1c4e9f42cf513c1ea24a79ab2c37c412bc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:37,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:37,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:02:37,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:02:37,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:02:37,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:37,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:37,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:37,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:37,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:37,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:37,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:37,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:02:37,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:02:37,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:02:37,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:37,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:37,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:37,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:37,260 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:37,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:37,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:02:37,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:37,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:37,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:37,264 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:37,264 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:37,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:37,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:37,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:37,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:37,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:37,268 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:02:37,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:02:37,269 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:37,269 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_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3298e0ac573b72ea1dd21021e341a1c4e9f42cf513c1ea24a79ab2c37c412bc [2023-11-23 20:02:37,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:37,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:37,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:37,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:37,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:37,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c [2023-11-23 20:02:40,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:41,015 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:41,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c [2023-11-23 20:02:41,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data/6fbfc0be8/5c406812feb5475da26edd8d60df87d8/FLAG9d77e1690 [2023-11-23 20:02:41,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data/6fbfc0be8/5c406812feb5475da26edd8d60df87d8 [2023-11-23 20:02:41,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:41,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:41,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:41,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:41,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:41,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216d743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41, skipping insertion in model container [2023-11-23 20:02:41,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:41,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:41,339 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:41,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:41,412 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:41,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41 WrapperNode [2023-11-23 20:02:41,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:41,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:41,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:41,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:41,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,466 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 122 [2023-11-23 20:02:41,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:41,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:41,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:41,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:41,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:41,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:41,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:41,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:41,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:41" (1/1) ... [2023-11-23 20:02:41,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:41,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:41,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:41,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-23 20:02:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-23 20:02:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:02:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:02:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:02:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:02:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:02:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:02:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:02:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:02:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:02:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:02:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:41,592 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:02:41,708 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:41,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:42,133 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:42,150 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:42,150 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:02:42,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:42 BoogieIcfgContainer [2023-11-23 20:02:42,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:42,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:42,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:42,166 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:42,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:42" (1/1) ... [2023-11-23 20:02:42,167 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:02:42,172 INFO L158 Benchmark]: Toolchain (without parser) took 1123.57ms. Allocated memory is still 140.5MB. Free memory was 106.6MB in the beginning and 67.5MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:02:42,172 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:42,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.12ms. Allocated memory is still 140.5MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:02:42,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.22ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:42,174 INFO L158 Benchmark]: Boogie Preprocessor took 35.85ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 90.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:42,175 INFO L158 Benchmark]: RCFGBuilder took 648.87ms. Allocated memory is still 140.5MB. Free memory was 90.2MB in the beginning and 68.4MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:42,176 INFO L158 Benchmark]: CodeCheck took 16.25ms. Allocated memory is still 140.5MB. Free memory was 68.4MB in the beginning and 67.5MB in the end (delta: 899.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:42,179 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 0.35ms. Allocated memory is still 140.5MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.12ms. Allocated memory is still 140.5MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.22ms. Allocated memory is still 140.5MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.85ms. Allocated memory is still 140.5MB. Free memory was 91.9MB in the beginning and 90.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 648.87ms. Allocated memory is still 140.5MB. Free memory was 90.2MB in the beginning and 68.4MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 16.25ms. Allocated memory is still 140.5MB. Free memory was 68.4MB in the beginning and 67.5MB in the end (delta: 899.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:02:42,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/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_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC --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 e3298e0ac573b72ea1dd21021e341a1c4e9f42cf513c1ea24a79ab2c37c412bc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:44,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:45,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:02:45,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:45,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:45,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:45,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:45,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:45,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:45,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:45,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:02:45,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:02:45,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:45,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:45,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:45,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:45,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:02:45,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:02:45,099 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:45,100 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:02:45,100 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:45,101 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:02:45,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:45,102 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:45,103 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:45,103 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:45,103 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:45,104 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:45,104 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:45,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:45,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:45,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:45,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:45,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:45,107 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:02:45,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:45,108 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:45,108 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:02:45,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:45,109 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_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3298e0ac573b72ea1dd21021e341a1c4e9f42cf513c1ea24a79ab2c37c412bc [2023-11-23 20:02:45,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:45,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:45,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:45,523 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:45,524 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:45,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c [2023-11-23 20:02:48,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:48,945 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:48,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c [2023-11-23 20:02:48,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data/0f99f7792/9f001644eff44ea381f4ea7e81e5cd71/FLAG074b1592d [2023-11-23 20:02:48,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/data/0f99f7792/9f001644eff44ea381f4ea7e81e5cd71 [2023-11-23 20:02:48,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:48,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:48,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:48,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:48,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:48,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:48,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f0ee4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48, skipping insertion in model container [2023-11-23 20:02:48,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:49,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:49,397 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:02:49,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:49,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:49,466 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:49,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:49,548 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:49,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49 WrapperNode [2023-11-23 20:02:49,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:49,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:49,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:49,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:49,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,628 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2023-11-23 20:02:49,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:49,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:49,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:49,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:49,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:49,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:49,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:49,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:49,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:49,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:49,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:49,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-23 20:02:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-23 20:02:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:02:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:02:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:02:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:02:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:02:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:02:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:02:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:02:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:02:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:02:49,783 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:02:49,928 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:49,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:50,408 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:50,424 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:50,424 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:02:50,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:50 BoogieIcfgContainer [2023-11-23 20:02:50,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:50,427 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:50,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:50,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:50,438 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:50" (1/1) ... [2023-11-23 20:02:50,439 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:02:50,443 INFO L158 Benchmark]: Toolchain (without parser) took 1462.92ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 44.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:50,444 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:50,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.02ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 41.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:02:50,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.71ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:50,446 INFO L158 Benchmark]: Boogie Preprocessor took 43.49ms. Allocated memory is still 81.8MB. Free memory was 39.9MB in the beginning and 37.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:50,447 INFO L158 Benchmark]: RCFGBuilder took 751.93ms. Allocated memory is still 81.8MB. Free memory was 37.8MB in the beginning and 45.4MB in the end (delta: -7.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:50,447 INFO L158 Benchmark]: CodeCheck took 14.34ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 44.4MB in the end (delta: 984.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:50,451 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.02ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 41.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.71ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.49ms. Allocated memory is still 81.8MB. Free memory was 39.9MB in the beginning and 37.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.93ms. Allocated memory is still 81.8MB. Free memory was 37.8MB in the beginning and 45.4MB in the end (delta: -7.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * CodeCheck took 14.34ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 44.4MB in the end (delta: 984.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:02:50,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_887936a1-f8b9-45d8-8d65-7d4361f783b3/bin/ukojak-verify-1t5iHCbJaC/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