./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:06:58,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:06:58,403 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:06:58,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:06:58,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:06:58,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:06:58,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:06:58,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:06:58,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:06:58,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:06:58,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:06:58,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:06:58,432 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:06:58,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:06:58,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:06:58,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:06:58,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:06:58,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:06:58,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:06:58,435 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:06:58,436 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:06:58,439 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:06:58,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:06:58,440 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:06:58,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:06:58,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:06:58,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:06:58,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:06:58,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:06:58,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:06:58,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:06:58,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:06:58,443 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:06:58,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:06:58,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:06:58,444 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_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2023-12-02 22:06:58,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:06:58,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:06:58,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:06:58,694 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:06:58,694 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:06:58,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-12-02 22:07:01,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:07:01,606 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:07:01,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-12-02 22:07:01,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data/651f35eca/90aeae1bf829437bbf1a484d19eb3bdd/FLAGb4c107cc3 [2023-12-02 22:07:01,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data/651f35eca/90aeae1bf829437bbf1a484d19eb3bdd [2023-12-02 22:07:01,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:07:01,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:07:01,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:07:01,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:07:01,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:07:01,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f05f8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01, skipping insertion in model container [2023-12-02 22:07:01,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:07:01,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:07:01,804 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:07:01,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:07:01,839 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:07:01,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01 WrapperNode [2023-12-02 22:07:01,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:07:01,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:07:01,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:07:01,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:07:01,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,871 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-12-02 22:07:01,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:07:01,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:07:01,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:07:01,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:07:01,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:07:01,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:07:01,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:07:01,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:07:01,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:01" (1/1) ... [2023-12-02 22:07:01,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:07:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:07:01,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:07:01,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:07:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-02 22:07:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-02 22:07:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:07:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:07:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:07:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:07:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:07:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:07:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:07:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:07:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:07:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:07:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:07:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:07:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:07:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:07:01,959 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:07:02,052 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:07:02,054 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:07:02,263 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:07:02,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:07:02,275 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:07:02,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:07:02 BoogieIcfgContainer [2023-12-02 22:07:02,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:07:02,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:07:02,278 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:07:02,285 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:07:02,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:07:02" (1/1) ... [2023-12-02 22:07:02,286 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:07:02,290 INFO L158 Benchmark]: Toolchain (without parser) took 660.95ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 74.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 22:07:02,290 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:02,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.65ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 94.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:07:02,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.05ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:02,292 INFO L158 Benchmark]: Boogie Preprocessor took 23.68ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:02,293 INFO L158 Benchmark]: RCFGBuilder took 379.80ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 75.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:07:02,294 INFO L158 Benchmark]: CodeCheck took 10.49ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 74.9MB in the end (delta: 959.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:02,297 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 0.18ms. Allocated memory is still 142.6MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.65ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 94.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.05ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 93.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.68ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.80ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 75.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10.49ms. Allocated memory is still 142.6MB. Free memory was 75.8MB in the beginning and 74.9MB in the end (delta: 959.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:07:02,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:07:04,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:07:04,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:07:04,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:07:04,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:07:04,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:07:04,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:07:04,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:07:04,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:07:04,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:07:04,372 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:07:04,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:07:04,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:07:04,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:07:04,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:07:04,374 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:07:04,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:07:04,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:07:04,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:07:04,377 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:07:04,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:07:04,378 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:07:04,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:07:04,379 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:07:04,379 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:07:04,379 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:07:04,380 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:07:04,380 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:04,381 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:07:04,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:07:04,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:07:04,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:07:04,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:07:04,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:07:04,384 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:07:04,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:07:04,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:07:04,384 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:07:04,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:07:04,385 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_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2023-12-02 22:07:04,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:07:04,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:07:04,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:07:04,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:07:04,689 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:07:04,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-12-02 22:07:07,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:07:07,629 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:07:07,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-12-02 22:07:07,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data/ae1bfcf6d/0b9dc85b22884fd08bbe7d866a8fda96/FLAG85c60c9f1 [2023-12-02 22:07:07,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/data/ae1bfcf6d/0b9dc85b22884fd08bbe7d866a8fda96 [2023-12-02 22:07:07,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:07:07,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:07:07,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:07:07,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:07:07,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:07:07,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e48a3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07, skipping insertion in model container [2023-12-02 22:07:07,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:07:07,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:07:07,883 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:07:07,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:07:07,926 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:07:07,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07 WrapperNode [2023-12-02 22:07:07,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:07:07,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:07:07,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:07:07,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:07:07,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,964 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-12-02 22:07:07,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:07:07,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:07:07,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:07:07,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:07:07,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:07,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:07:08,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:07:08,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:07:08,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:07:08,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:07:07" (1/1) ... [2023-12-02 22:07:08,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:07:08,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:07:08,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:07:08,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:07:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-02 22:07:08,070 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-02 22:07:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:07:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:07:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:07:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:07:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:07:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:07:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:07:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:07:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:07:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:07:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:07:08,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:07:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:07:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:07:08,075 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:07:08,176 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:07:08,179 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:07:08,418 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:07:08,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:07:08,430 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:07:08,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:07:08 BoogieIcfgContainer [2023-12-02 22:07:08,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:07:08,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:07:08,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:07:08,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:07:08,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:07:08" (1/1) ... [2023-12-02 22:07:08,445 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:07:08,449 INFO L158 Benchmark]: Toolchain (without parser) took 794.63ms. Allocated memory is still 107.0MB. Free memory was 83.8MB in the beginning and 51.2MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-02 22:07:08,449 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:08,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.61ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 71.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:07:08,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.46ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 69.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:08,451 INFO L158 Benchmark]: Boogie Preprocessor took 33.60ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 68.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:07:08,452 INFO L158 Benchmark]: RCFGBuilder took 432.42ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 52.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:07:08,452 INFO L158 Benchmark]: CodeCheck took 13.93ms. Allocated memory is still 107.0MB. Free memory was 52.0MB in the beginning and 51.2MB in the end (delta: 795.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:07:08,456 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 0.12ms. Allocated memory is still 67.1MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.61ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 71.7MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.46ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 69.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.60ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 68.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.42ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 52.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13.93ms. Allocated memory is still 107.0MB. Free memory was 52.0MB in the beginning and 51.2MB in the end (delta: 795.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:07:08,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_661ad855-d049-4e52-96be-f618056c6006/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported