./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/mult-comm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/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_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:23:28,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:23:28,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:23:28,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:23:28,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:23:28,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:23:28,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:23:28,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:23:28,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:23:28,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:23:28,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:23:28,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:23:28,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:23:28,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:23:28,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:23:28,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:23:28,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:23:28,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:23:28,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:23:28,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:23:28,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:23:28,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:23:28,443 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:23:28,444 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:23:28,444 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:23:28,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:23:28,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:28,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:23:28,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:23:28,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:23:28,453 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:23:28,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:23:28,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:23:28,454 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_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 [2023-12-03 01:23:28,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:23:28,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:23:28,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:23:28,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:23:28,687 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:23:28,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-12-03 01:23:31,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:23:31,584 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:23:31,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-12-03 01:23:31,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data/9f46b39c5/6ff92709137c44b7b95d3e314edc8281/FLAG7aaba6912 [2023-12-03 01:23:31,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data/9f46b39c5/6ff92709137c44b7b95d3e314edc8281 [2023-12-03 01:23:31,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:23:31,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:23:31,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:31,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:23:31,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:23:31,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787907e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31, skipping insertion in model container [2023-12-03 01:23:31,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:23:31,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/sv-benchmarks/c/weaver/mult-comm.wvr.c[1936,1949] [2023-12-03 01:23:31,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:31,787 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:23:31,807 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/sv-benchmarks/c/weaver/mult-comm.wvr.c[1936,1949] [2023-12-03 01:23:31,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:31,824 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:23:31,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31 WrapperNode [2023-12-03 01:23:31,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:31,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:31,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:23:31,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:23:31,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,861 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2023-12-03 01:23:31,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:31,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:23:31,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:23:31,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:23:31,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:23:31,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:23:31,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:23:31,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:23:31,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:31,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:23:31,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:23:31,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:23:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:23:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:23:31,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:23:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:23:31,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:23:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:23:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:23:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:23:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:23:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:23:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:23:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:23:31,959 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:23:32,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:23:32,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:23:32,258 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:23:32,269 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:23:32,270 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 01:23:32,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:32 BoogieIcfgContainer [2023-12-03 01:23:32,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:23:32,272 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:23:32,272 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:23:32,280 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:23:32,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:32" (1/1) ... [2023-12-03 01:23:32,281 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) [2023-12-03 01:23:32,285 INFO L158 Benchmark]: Toolchain (without parser) took 678.48ms. Allocated memory is still 172.0MB. Free memory was 141.6MB in the beginning and 134.8MB in the end (delta: 6.9MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,285 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:32,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.66ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 134.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.59ms. Allocated memory is still 172.0MB. Free memory was 134.1MB in the beginning and 132.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,287 INFO L158 Benchmark]: Boogie Preprocessor took 25.55ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 131.5MB in the end (delta: 459.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:32,288 INFO L158 Benchmark]: RCFGBuilder took 383.02ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 135.6MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,288 INFO L158 Benchmark]: CodeCheck took 11.18ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 134.8MB in the end (delta: 866.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:32,291 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 0.20ms. Allocated memory is still 123.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.66ms. Allocated memory is still 172.0MB. Free memory was 141.4MB in the beginning and 134.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.59ms. Allocated memory is still 172.0MB. Free memory was 134.1MB in the beginning and 132.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.55ms. Allocated memory is still 172.0MB. Free memory was 132.0MB in the beginning and 131.5MB in the end (delta: 459.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.02ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 135.6MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11.18ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 134.8MB in the end (delta: 866.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:23:32,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/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_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/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_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:23:34,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:23:34,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:23:34,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:23:34,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:23:34,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:23:34,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:23:34,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:23:34,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:23:34,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:23:34,339 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:23:34,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:23:34,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:23:34,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:23:34,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:23:34,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:23:34,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:23:34,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:23:34,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:23:34,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:23:34,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:23:34,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:23:34,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:23:34,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:23:34,346 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:23:34,346 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:34,347 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:23:34,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:23:34,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:34,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:23:34,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:23:34,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:23:34,350 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:23:34,350 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:34,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:23:34,351 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:23:34,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:23:34,351 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_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 [2023-12-03 01:23:34,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:23:34,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:23:34,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:23:34,685 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:23:34,686 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:23:34,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-12-03 01:23:37,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:23:37,611 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:23:37,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-12-03 01:23:37,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data/a82e104f6/630bbbe551584984ae4fe20a47a07dd3/FLAGbd1f7f2ec [2023-12-03 01:23:37,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/data/a82e104f6/630bbbe551584984ae4fe20a47a07dd3 [2023-12-03 01:23:37,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:23:37,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:23:37,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:37,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:23:37,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:23:37,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef157ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37, skipping insertion in model container [2023-12-03 01:23:37,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:23:37,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/sv-benchmarks/c/weaver/mult-comm.wvr.c[1936,1949] [2023-12-03 01:23:37,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:37,866 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:23:37,886 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/sv-benchmarks/c/weaver/mult-comm.wvr.c[1936,1949] [2023-12-03 01:23:37,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:37,904 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:23:37,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37 WrapperNode [2023-12-03 01:23:37,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:37,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:37,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:23:37,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:23:37,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,942 INFO L138 Inliner]: procedures = 23, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2023-12-03 01:23:37,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:37,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:23:37,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:23:37,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:23:37,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:23:37,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:23:37,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:23:37,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:23:37,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:37" (1/1) ... [2023-12-03 01:23:37,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:23:38,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:23:38,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:23:38,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:23:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 01:23:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 01:23:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 01:23:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 01:23:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:23:38,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:23:38,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:23:38,046 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 01:23:38,156 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:23:38,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:23:38,337 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:23:38,348 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:23:38,348 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 01:23:38,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:38 BoogieIcfgContainer [2023-12-03 01:23:38,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:23:38,351 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:23:38,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:23:38,361 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:23:38,361 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:38" (1/1) ... [2023-12-03 01:23:38,362 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) [2023-12-03 01:23:38,365 INFO L158 Benchmark]: Toolchain (without parser) took 726.72ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 86.2MB in the end (delta: -747.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:38,366 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:38,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.22ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 73.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:23:38,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.50ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:38,368 INFO L158 Benchmark]: Boogie Preprocessor took 29.52ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 70.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:38,368 INFO L158 Benchmark]: RCFGBuilder took 376.42ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 86.9MB in the end (delta: -16.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-12-03 01:23:38,369 INFO L158 Benchmark]: CodeCheck took 12.85ms. Allocated memory is still 109.1MB. Free memory was 86.9MB in the beginning and 86.2MB in the end (delta: 764.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:38,372 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 0.20ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.22ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 73.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.50ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.52ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 70.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.42ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 86.9MB in the end (delta: -16.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * CodeCheck took 12.85ms. Allocated memory is still 109.1MB. Free memory was 86.9MB in the beginning and 86.2MB in the end (delta: 764.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:23:38,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e3777a1-62c9-4e4b-b4cf-15a46fed9109/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