./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 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_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/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_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/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_daeda5ec-1cfb-45e0-802e-acc6122e8156/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_daeda5ec-1cfb-45e0-802e-acc6122e8156/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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:42,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:42,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:57:42,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:42,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:42,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:42,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:42,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:42,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:42,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:42,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:42,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:42,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:42,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:42,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:42,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:42,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:42,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:42,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:42,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:42,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:42,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:42,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:42,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:42,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:42,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:42,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:42,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:42,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:42,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:42,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:42,348 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:42,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:42,348 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:42,348 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_daeda5ec-1cfb-45e0-802e-acc6122e8156/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2023-11-11 23:57:42,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:42,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:42,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:42,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:42,773 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:42,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-11 23:57:45,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:46,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:46,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-11 23:57:46,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data/79e7da1ca/fc8762c18306493f94a39041024f17eb/FLAG66ec3fba1 [2023-11-11 23:57:46,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data/79e7da1ca/fc8762c18306493f94a39041024f17eb [2023-11-11 23:57:46,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:46,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:46,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:46,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:46,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:46,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad3cda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46, skipping insertion in model container [2023-11-11 23:57:46,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:46,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:46,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:46,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:46,496 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:46,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46 WrapperNode [2023-11-11 23:57:46,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:46,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:46,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:46,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:46,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,538 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-11 23:57:46,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:46,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:46,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:46,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:46,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:46,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:46,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:46,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:46,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:46" (1/1) ... [2023-11-11 23:57:46,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:46,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:46,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:46,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-11 23:57:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-11 23:57:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:57:46,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:57:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:57:46,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:57:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:57:46,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:57:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:57:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:57:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:46,665 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 23:57:46,831 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:46,833 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:47,143 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:47,154 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:47,154 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:57:47,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:47 BoogieIcfgContainer [2023-11-11 23:57:47,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:47,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:47,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:47,169 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:47,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:47" (1/1) ... [2023-11-11 23:57:47,171 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 23:57:47,176 INFO L158 Benchmark]: Toolchain (without parser) took 986.31ms. Allocated memory is still 169.9MB. Free memory was 139.8MB in the beginning and 128.7MB in the end (delta: 11.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-11 23:57:47,177 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:47,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.48ms. Allocated memory is still 169.9MB. Free memory was 139.8MB in the beginning and 128.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:47,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.58ms. Allocated memory is still 169.9MB. Free memory was 128.1MB in the beginning and 126.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:47,179 INFO L158 Benchmark]: Boogie Preprocessor took 30.45ms. Allocated memory is still 169.9MB. Free memory was 126.8MB in the beginning and 125.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:47,180 INFO L158 Benchmark]: RCFGBuilder took 586.89ms. Allocated memory is still 169.9MB. Free memory was 125.2MB in the beginning and 130.2MB in the end (delta: -5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:57:47,181 INFO L158 Benchmark]: CodeCheck took 16.40ms. Allocated memory is still 169.9MB. Free memory was 130.2MB in the beginning and 128.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:47,184 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 0.78ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.48ms. Allocated memory is still 169.9MB. Free memory was 139.8MB in the beginning and 128.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.58ms. Allocated memory is still 169.9MB. Free memory was 128.1MB in the beginning and 126.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.45ms. Allocated memory is still 169.9MB. Free memory was 126.8MB in the beginning and 125.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.89ms. Allocated memory is still 169.9MB. Free memory was 125.2MB in the beginning and 130.2MB in the end (delta: -5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 16.40ms. Allocated memory is still 169.9MB. Free memory was 130.2MB in the beginning and 128.7MB in the end (delta: 1.5MB). 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 23:57:47,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/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_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/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_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/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_daeda5ec-1cfb-45e0-802e-acc6122e8156/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_daeda5ec-1cfb-45e0-802e-acc6122e8156/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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:49,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:49,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:57:49,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:49,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:49,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:49,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:49,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:49,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:49,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:49,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:57:49,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:57:49,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:49,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:49,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:49,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:49,978 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:57:49,978 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:57:49,979 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:57:49,979 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:57:49,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:57:49,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:57:49,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:49,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:49,981 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:49,982 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:49,982 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:57:49,982 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:49,983 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:49,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:49,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:49,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:49,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:49,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:49,986 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:57:49,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:49,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:49,986 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:57:49,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:49,988 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_daeda5ec-1cfb-45e0-802e-acc6122e8156/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2023-11-11 23:57:50,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:50,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:50,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:50,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:50,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:50,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-11 23:57:53,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:53,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:53,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-11 23:57:53,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data/4f7a711c2/77047e8980eb427a9ff7562f875442d9/FLAG852c4fa97 [2023-11-11 23:57:53,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/data/4f7a711c2/77047e8980eb427a9ff7562f875442d9 [2023-11-11 23:57:53,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:53,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:53,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:53,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:53,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:53,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:53" (1/1) ... [2023-11-11 23:57:53,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ecd4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:53, skipping insertion in model container [2023-11-11 23:57:53,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:53" (1/1) ... [2023-11-11 23:57:54,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:54,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:54,300 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:54,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:54,367 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:54,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54 WrapperNode [2023-11-11 23:57:54,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:54,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:54,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:54,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:54,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,436 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-11 23:57:54,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:54,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:54,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:54,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:54,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:54,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:54,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:54,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:54,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:54" (1/1) ... [2023-11-11 23:57:54,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:54,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:54,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:54,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-11 23:57:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-11 23:57:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:57:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:57:54,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:57:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:57:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:57:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:57:54,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:57:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:57:54,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:57:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:54,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:57:54,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:57:54,614 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 23:57:54,734 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:54,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:55,161 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:55,174 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:55,176 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:57:55,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:55 BoogieIcfgContainer [2023-11-11 23:57:55,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:55,182 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:55,183 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:55,194 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:55,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:55" (1/1) ... [2023-11-11 23:57:55,196 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 23:57:55,203 INFO L158 Benchmark]: Toolchain (without parser) took 1242.58ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 59.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:55,204 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:55,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.83ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 54.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:55,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.57ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 52.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:55,207 INFO L158 Benchmark]: Boogie Preprocessor took 72.99ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 51.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:55,208 INFO L158 Benchmark]: RCFGBuilder took 668.37ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 59.6MB in the end (delta: -8.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-11 23:57:55,209 INFO L158 Benchmark]: CodeCheck took 19.00ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.1MB in the end (delta: 580.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:55,219 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 0.27ms. Allocated memory is still 60.8MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.83ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 54.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.57ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 52.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.99ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 51.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.37ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 59.6MB in the end (delta: -8.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * CodeCheck took 19.00ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.1MB in the end (delta: 580.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:57:55,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daeda5ec-1cfb-45e0-802e-acc6122e8156/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