./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV --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 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:48,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:48,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:04:48,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:04:48,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:04:48,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:48,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:48,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:48,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:48,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:48,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:48,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:48,993 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:48,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:48,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:48,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:48,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:48,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:48,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:48,999 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:49,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:49,001 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:49,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:49,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:49,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:49,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:49,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:49,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:49,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:49,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:49,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:49,007 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:04:49,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:04:49,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:49,009 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_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 [2023-11-12 00:04:49,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:49,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:49,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:49,371 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:49,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:49,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-12 00:04:52,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:53,016 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:53,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-12 00:04:53,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data/cfd3d1107/26e9f64dc95e4d228903fa4cc320c1af/FLAGf42e6b6d8 [2023-11-12 00:04:53,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data/cfd3d1107/26e9f64dc95e4d228903fa4cc320c1af [2023-11-12 00:04:53,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:53,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:53,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:53,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:53,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:53,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60999910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53, skipping insertion in model container [2023-11-12 00:04:53,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:53,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:53,316 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:53,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:53,350 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:53,350 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:53,356 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:53,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53 WrapperNode [2023-11-12 00:04:53,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:53,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:53,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:53,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:53,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,397 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-12 00:04:53,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:53,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:53,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:53,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:53,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:53,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:53,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:53,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:53,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:53,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:53,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:53,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:04:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:04:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:04:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:04:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:04:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:04:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:04:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:04:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:04:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:04:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:04:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:04:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:04:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:04:53,517 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:04:53,626 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:53,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:53,873 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:53,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:53,896 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:04:53,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:53 BoogieIcfgContainer [2023-11-12 00:04:53,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:53,900 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:53,900 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:53,910 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:53,910 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:53" (1/1) ... [2023-11-12 00:04:53,911 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) [2023-11-12 00:04:53,914 INFO L158 Benchmark]: Toolchain (without parser) took 857.49ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 63.5MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-12 00:04:53,915 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 134.2MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:53,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.07ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 83.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:04:53,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.38ms. Allocated memory is still 134.2MB. Free memory was 83.2MB in the beginning and 81.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:53,917 INFO L158 Benchmark]: Boogie Preprocessor took 30.99ms. Allocated memory is still 134.2MB. Free memory was 81.9MB in the beginning and 80.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:53,918 INFO L158 Benchmark]: RCFGBuilder took 469.80ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 64.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:04:53,918 INFO L158 Benchmark]: CodeCheck took 12.91ms. Allocated memory is still 134.2MB. Free memory was 64.8MB in the beginning and 63.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:53,922 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 0.80ms. Allocated memory is still 134.2MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.07ms. Allocated memory is still 134.2MB. Free memory was 94.9MB in the beginning and 83.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.38ms. Allocated memory is still 134.2MB. Free memory was 83.2MB in the beginning and 81.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.99ms. Allocated memory is still 134.2MB. Free memory was 81.9MB in the beginning and 80.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.80ms. Allocated memory is still 134.2MB. Free memory was 80.2MB in the beginning and 64.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 12.91ms. Allocated memory is still 134.2MB. Free memory was 64.8MB in the beginning and 63.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:04:53,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV --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 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:56,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:56,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:04:56,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:56,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:56,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:56,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:56,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:56,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:56,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:56,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:56,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:56,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:56,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:56,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:56,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:56,713 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:04:56,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:04:56,714 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:56,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:04:56,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:56,716 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:56,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:56,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:56,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:56,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:56,718 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:04:56,719 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:56,720 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:56,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:56,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:56,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:56,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:56,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:56,723 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:04:56,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:56,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:56,724 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:04:56,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:56,726 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_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 [2023-11-12 00:04:57,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:57,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:57,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:57,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:57,230 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:57,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-12 00:05:00,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:05:00,548 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:05:00,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-12 00:05:00,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data/37a262d15/5743ac7dbc6842b992f163dd2ddd330a/FLAG7ba12560e [2023-11-12 00:05:00,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/data/37a262d15/5743ac7dbc6842b992f163dd2ddd330a [2023-11-12 00:05:00,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:05:00,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:05:00,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:00,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:05:00,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:05:00,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:00,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c94bccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00, skipping insertion in model container [2023-11-12 00:05:00,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:00,618 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:05:00,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:00,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:05:00,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:00,949 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:00,949 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:05:00,957 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:05:00,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00 WrapperNode [2023-11-12 00:05:00,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:00,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:00,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:05:00,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:05:00,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:00,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,029 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-12 00:05:01,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:01,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:05:01,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:05:01,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:05:01,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,057 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:05:01,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:05:01,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:05:01,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:05:01,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:00" (1/1) ... [2023-11-12 00:05:01,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:01,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:05:01,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:05:01,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:05:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:05:01,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:05:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 00:05:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 00:05:01,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-12 00:05:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-12 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:05:01,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:05:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:05:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:05:01,188 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:05:01,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:05:01,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:05:01,689 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:05:01,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:05:01,731 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:05:01,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:01 BoogieIcfgContainer [2023-11-12 00:05:01,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:05:01,736 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:05:01,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:05:01,747 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:05:01,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:01" (1/1) ... [2023-11-12 00:05:01,750 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) [2023-11-12 00:05:01,756 INFO L158 Benchmark]: Toolchain (without parser) took 1172.68ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 54.7MB in the end (delta: 7.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-12 00:05:01,757 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:01,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.59ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 50.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:05:01,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.62ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 48.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:01,760 INFO L158 Benchmark]: Boogie Preprocessor took 56.76ms. Allocated memory is still 86.0MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:01,761 INFO L158 Benchmark]: RCFGBuilder took 647.13ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 55.6MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:05:01,762 INFO L158 Benchmark]: CodeCheck took 18.15ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 54.7MB in the end (delta: 894.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:01,772 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 0.31ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 83.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.59ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 50.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.62ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 48.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.76ms. Allocated memory is still 86.0MB. Free memory was 48.8MB in the beginning and 47.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.13ms. Allocated memory is still 86.0MB. Free memory was 46.9MB in the beginning and 55.6MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 18.15ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 54.7MB in the end (delta: 894.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:05:01,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab738d66-432e-4a5c-b18e-4bc5bb498cae/bin/ukojak-verify-0OAaufAVZV/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