./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/spaghetti.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:36:49,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:36:49,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:36:49,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:36:49,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:36:49,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:36:49,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:36:49,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:36:49,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:36:49,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:36:49,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:36:49,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:36:49,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:36:49,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:36:49,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:36:49,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:36:49,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:36:49,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:36:49,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:36:49,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:36:49,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:36:49,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:36:49,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:36:49,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:36:49,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:36:49,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:36:49,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:36:49,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:36:49,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:36:49,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:36:49,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:36:49,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:36:49,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:36:49,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:36:49,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:36:49,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:36:49,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:36:49,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:36:49,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:36:49,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:36:49,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:36:49,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:36:49,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:36:49,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:36:49,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:36:49,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:36:49,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:36:49,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:36:49,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:36:49,384 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:36:49,384 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:36:49,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:36:49,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:36:49,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:36:49,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:36:49,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:36:49,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:36:49,387 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:36:49,387 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:36:49,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:36:49,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:36:49,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:36:49,388 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:36:49,389 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:36:49,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:36:49,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:36:49,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:36:49,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:36:49,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:36:49,391 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:36:49,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:36:49,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:36:49,392 INFO L138 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_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 [2022-11-20 17:36:49,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:36:49,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:36:49,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:36:49,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:36:49,762 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:36:49,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-11-20 17:36:52,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:36:53,026 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:36:53,027 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-11-20 17:36:53,034 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data/03eeb65df/191e309bcc8149a5b32462b1d17101f8/FLAG8cfd5d8aa [2022-11-20 17:36:53,055 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data/03eeb65df/191e309bcc8149a5b32462b1d17101f8 [2022-11-20 17:36:53,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:36:53,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:36:53,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:36:53,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:36:53,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:36:53,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5da0a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53, skipping insertion in model container [2022-11-20 17:36:53,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:36:53,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:36:53,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-11-20 17:36:53,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:36:53,325 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:36:53,349 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-11-20 17:36:53,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:36:53,364 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:36:53,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53 WrapperNode [2022-11-20 17:36:53,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:36:53,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:36:53,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:36:53,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:36:53,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,407 INFO L138 Inliner]: procedures = 23, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-11-20 17:36:53,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:36:53,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:36:53,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:36:53,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:36:53,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,434 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:36:53,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:36:53,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:36:53,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:36:53,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:36:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:36:53,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:36:53,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:36:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:36:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:36:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:36:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:36:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:36:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 17:36:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 17:36:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 17:36:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 17:36:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:36:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:36:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:36:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:36:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:36:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:36:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:36:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:36:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:36:53,527 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:36:53,624 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:36:53,626 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:36:53,926 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:36:53,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:36:53,942 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:36:53,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:53 BoogieIcfgContainer [2022-11-20 17:36:53,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:36:53,946 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:36:53,946 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:36:53,957 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:36:53,957 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:53" (1/1) ... [2022-11-20 17:36:53,958 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 17:36:53,967 INFO L158 Benchmark]: Toolchain (without parser) took 904.11ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 105.1MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:36:53,968 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory was 96.7MB in the beginning and 96.6MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:36:53,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.61ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 124.9MB in the end (delta: 26.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:36:53,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.26ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:36:53,970 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 161.5MB. Free memory was 122.8MB in the beginning and 121.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:36:53,971 INFO L158 Benchmark]: RCFGBuilder took 503.28ms. Allocated memory is still 161.5MB. Free memory was 121.3MB in the beginning and 106.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:36:53,971 INFO L158 Benchmark]: CodeCheck took 19.49ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 105.1MB in the end (delta: 881.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:36:53,975 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory was 96.7MB in the beginning and 96.6MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.61ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 124.9MB in the end (delta: 26.5kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.26ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 161.5MB. Free memory was 122.8MB in the beginning and 121.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.28ms. Allocated memory is still 161.5MB. Free memory was 121.3MB in the beginning and 106.0MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 19.49ms. Allocated memory is still 161.5MB. Free memory was 106.0MB in the beginning and 105.1MB in the end (delta: 881.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:36:54,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:36:56,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:36:56,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:36:56,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:36:56,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:36:56,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:36:56,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:36:56,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:36:56,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:36:56,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:36:56,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:36:56,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:36:56,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:36:56,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:36:56,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:36:56,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:36:56,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:36:56,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:36:56,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:36:56,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:36:56,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:36:56,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:36:56,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:36:56,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:36:56,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:36:56,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:36:56,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:36:56,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:36:56,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:36:56,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:36:56,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:36:56,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:36:56,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:36:56,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:36:56,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:36:56,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:36:56,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:36:56,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:36:56,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:36:56,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:36:56,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:36:56,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:36:56,647 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:36:56,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:36:56,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:36:56,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:36:56,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:36:56,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:36:56,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:36:56,652 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:36:56,652 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:36:56,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:36:56,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:36:56,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:36:56,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:36:56,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:36:56,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:36:56,655 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:36:56,655 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:36:56,655 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:36:56,656 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:36:56,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:36:56,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:36:56,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:36:56,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:36:56,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:36:56,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:36:56,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:36:56,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:36:56,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:36:56,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:36:56,659 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:36:56,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:36:56,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:36:56,660 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:36:56,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:36:56,660 INFO L138 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_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 [2022-11-20 17:36:57,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:36:57,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:36:57,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:36:57,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:36:57,099 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:36:57,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-11-20 17:37:00,284 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:37:00,549 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:37:00,549 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-11-20 17:37:00,558 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data/e3032fc98/33cd4ef6d902461cbb6a0eb1a93bab6a/FLAG14877f413 [2022-11-20 17:37:00,581 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/data/e3032fc98/33cd4ef6d902461cbb6a0eb1a93bab6a [2022-11-20 17:37:00,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:37:00,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:37:00,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:00,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:37:00,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:37:00,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:00,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce2587e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00, skipping insertion in model container [2022-11-20 17:37:00,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:00,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:37:00,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:37:00,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-11-20 17:37:00,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:00,894 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:37:00,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-11-20 17:37:00,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:00,961 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:37:00,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00 WrapperNode [2022-11-20 17:37:00,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:00,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:00,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:37:00,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:37:00,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:00,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,026 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-11-20 17:37:01,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:01,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:37:01,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:37:01,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:37:01,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,086 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:37:01,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:37:01,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:37:01,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:37:01,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:00" (1/1) ... [2022-11-20 17:37:01,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:37:01,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:37:01,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:37:01,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:37:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:37:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:37:01,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:37:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:37:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:37:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 17:37:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 17:37:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:37:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 17:37:01,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 17:37:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:37:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:37:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:37:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:37:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:37:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:37:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:37:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:37:01,223 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:37:01,347 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:37:01,351 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:37:01,731 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:37:01,754 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:37:01,755 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:37:01,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:01 BoogieIcfgContainer [2022-11-20 17:37:01,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:37:01,762 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:37:01,763 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:37:01,774 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:37:01,775 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:01" (1/1) ... [2022-11-20 17:37:01,776 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 17:37:01,782 INFO L158 Benchmark]: Toolchain (without parser) took 1193.78ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 47.0MB in the beginning and 60.1MB in the end (delta: -13.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-20 17:37:01,783 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:37:01,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.27ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 35.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:37:01,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.99ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:37:01,786 INFO L158 Benchmark]: Boogie Preprocessor took 65.76ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 32.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:37:01,787 INFO L158 Benchmark]: RCFGBuilder took 667.26ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 32.0MB in the beginning and 60.9MB in the end (delta: -28.9MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-20 17:37:01,788 INFO L158 Benchmark]: CodeCheck took 17.86ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 60.1MB in the end (delta: 770.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:37:01,797 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.27ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 35.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.99ms. Allocated memory is still 69.2MB. Free memory was 35.2MB in the beginning and 33.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.76ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 32.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.26ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 32.0MB in the beginning and 60.9MB in the end (delta: -28.9MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * CodeCheck took 17.86ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 60.1MB in the end (delta: 770.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:37:01,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4609576f-a017-4fad-a09e-eed4631541fe/bin/ukojak-pZX7IvK2PQ/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