./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.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_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/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_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/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_e68282cc-2ee3-43a5-993a-079925ab2dda/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 af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:19,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:19,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:58:19,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:58:19,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:58:19,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:19,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:19,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:19,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:19,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:19,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:19,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:19,848 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:19,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:58:19,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:19,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:19,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:19,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:19,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:19,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:19,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:19,854 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:19,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:19,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:19,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:19,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:19,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:19,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:19,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:19,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:19,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:19,863 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:58:19,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:58:19,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:19,863 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_e68282cc-2ee3-43a5-993a-079925ab2dda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2023-11-11 23:58:20,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:20,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:20,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:20,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:20,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:20,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-11 23:58:23,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:23,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:23,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-11 23:58:23,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data/2d67fa4d8/a61b37b0f33547b092cdb7382b90f95f/FLAG766b501a3 [2023-11-11 23:58:23,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data/2d67fa4d8/a61b37b0f33547b092cdb7382b90f95f [2023-11-11 23:58:23,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:23,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:23,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:23,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:23,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:23,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4988f58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23, skipping insertion in model container [2023-11-11 23:58:23,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:23,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:23,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:23,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:23,691 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:23,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23 WrapperNode [2023-11-11 23:58:23,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:23,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:23,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:23,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:23,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,752 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2023-11-11 23:58:23,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:23,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:23,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:23,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:23,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:23,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:23,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:23,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:23,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:23" (1/1) ... [2023-11-11 23:58:23,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:23,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:23,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:23,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:58:23,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:58:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:58:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:58:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:58:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:58:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:58:23,923 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:58:23,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:58:23,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:58:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:23,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:58:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:23,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:58:23,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:23,927 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:58:24,072 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:24,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:24,460 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:24,478 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:24,478 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:58:24,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:24 BoogieIcfgContainer [2023-11-11 23:58:24,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:24,482 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:24,482 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:24,492 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:24,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:24" (1/1) ... [2023-11-11 23:58:24,493 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) [2023-11-11 23:58:24,501 INFO L158 Benchmark]: Toolchain (without parser) took 1090.34ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 76.3MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-11 23:58:24,502 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 98.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:24,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.83ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 97.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:58:24,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.86ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 95.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:24,504 INFO L158 Benchmark]: Boogie Preprocessor took 75.14ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 93.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:24,505 INFO L158 Benchmark]: RCFGBuilder took 650.64ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 77.4MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:58:24,506 INFO L158 Benchmark]: CodeCheck took 17.64ms. Allocated memory is still 155.2MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:24,509 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 0.81ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 98.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.83ms. Allocated memory is still 155.2MB. Free memory was 108.9MB in the beginning and 97.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.86ms. Allocated memory is still 155.2MB. Free memory was 97.1MB in the beginning and 95.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.14ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 93.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.64ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 77.4MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.64ms. Allocated memory is still 155.2MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:58:24,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/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_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/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_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/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_e68282cc-2ee3-43a5-993a-079925ab2dda/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 af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:27,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:27,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:58:27,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:27,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:27,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:27,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:27,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:27,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:27,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:27,323 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:27,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:27,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:27,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:27,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:27,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:27,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:58:27,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:58:27,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:27,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:58:27,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:27,331 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:27,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:27,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:27,332 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:27,333 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:27,333 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:58:27,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:27,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:27,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:27,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:27,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:27,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:27,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:27,338 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:58:27,338 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:27,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:27,338 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:58:27,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:27,340 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_e68282cc-2ee3-43a5-993a-079925ab2dda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af523f24b0126267447f5590b01302c6de6f439c37a01df1dbf66192a849a6d6 [2023-11-11 23:58:27,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:27,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:27,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:27,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:27,786 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:27,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-11 23:58:31,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:31,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:31,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2023-11-11 23:58:31,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data/aceffa9aa/1dae1e0c061742b3b222fe0ad4a080a7/FLAGbb652ef06 [2023-11-11 23:58:31,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/data/aceffa9aa/1dae1e0c061742b3b222fe0ad4a080a7 [2023-11-11 23:58:31,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:31,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:31,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:31,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:31,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:31,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d15603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31, skipping insertion in model container [2023-11-11 23:58:31,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,382 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:31,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:31,619 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:31,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:31,687 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:31,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31 WrapperNode [2023-11-11 23:58:31,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:31,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:31,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:31,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:31,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,755 INFO L138 Inliner]: procedures = 22, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2023-11-11 23:58:31,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:31,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:31,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:31,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:31,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:31,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:31,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:31,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:31,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:31" (1/1) ... [2023-11-11 23:58:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:31,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:31,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:31,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:58:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:58:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:58:31,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:58:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:58:31,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:58:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:58:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:58:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:58:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:58:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:58:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:58:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:58:31,943 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:58:32,074 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:32,076 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:32,474 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:32,484 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:32,484 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:58:32,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:32 BoogieIcfgContainer [2023-11-11 23:58:32,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:32,488 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:32,488 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:32,498 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:32,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:32" (1/1) ... [2023-11-11 23:58:32,499 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) [2023-11-11 23:58:32,503 INFO L158 Benchmark]: Toolchain (without parser) took 1160.39ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 43.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-11-11 23:58:32,504 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:32,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.57ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 46.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:58:32,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.03ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 44.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:32,506 INFO L158 Benchmark]: Boogie Preprocessor took 69.26ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:32,507 INFO L158 Benchmark]: RCFGBuilder took 660.16ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 45.1MB in the end (delta: -2.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-11 23:58:32,507 INFO L158 Benchmark]: CodeCheck took 14.04ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 43.8MB in the end (delta: 853.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:32,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.57ms. Allocated memory is still 81.8MB. Free memory was 58.1MB in the beginning and 46.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.03ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 44.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.26ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 660.16ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 45.1MB in the end (delta: -2.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * CodeCheck took 14.04ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 43.8MB in the end (delta: 853.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:58:32,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e68282cc-2ee3-43a5-993a-079925ab2dda/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