./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/mult-comm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2 --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 de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:03,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:04,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:04,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:04,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:04,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:04,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:04,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:04,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:04,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:04,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:04,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:04,081 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:04,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:04,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:04,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:04,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:04,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:04,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:04,085 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:04,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:04,086 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:04,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:04,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:04,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:04,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:04,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:04,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:04,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:04,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:04,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:04,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:04,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:04,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:04,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:04,093 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_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 [2023-11-21 18:31:04,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:04,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:04,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:04,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:04,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:04,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-11-21 18:31:07,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:07,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:07,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-11-21 18:31:07,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data/ebdc52505/236bf17a40bb45e58ac316943becf77c/FLAG8e0672a7b [2023-11-21 18:31:07,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data/ebdc52505/236bf17a40bb45e58ac316943becf77c [2023-11-21 18:31:07,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:07,984 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:07,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:07,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:07,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:07,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:07,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2094eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:07, skipping insertion in model container [2023-11-21 18:31:07,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:07" (1/1) ... [2023-11-21 18:31:08,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:08,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:08,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:08,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:08,257 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:08,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08 WrapperNode [2023-11-21 18:31:08,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:08,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:08,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:08,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:08,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,296 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-21 18:31:08,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:08,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:08,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:08,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:08,307 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:08,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:08,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:08,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:08,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:08,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:08,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:08,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:31:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:31:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:31:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:31:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:31:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:31:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:08,414 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:31:08,522 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:08,525 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:08,795 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:08,809 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:08,810 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:31:08,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:08 BoogieIcfgContainer [2023-11-21 18:31:08,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:08,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:08,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:08,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:08,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:08" (1/1) ... [2023-11-21 18:31:08,828 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) [2023-11-21 18:31:08,833 INFO L158 Benchmark]: Toolchain (without parser) took 848.29ms. Allocated memory is still 151.0MB. Free memory was 116.1MB in the beginning and 88.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,834 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:08,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.37ms. Allocated memory is still 151.0MB. Free memory was 116.1MB in the beginning and 105.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.95ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,837 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,838 INFO L158 Benchmark]: RCFGBuilder took 486.65ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 89.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:31:08,839 INFO L158 Benchmark]: CodeCheck took 17.70ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 88.8MB in the end (delta: 689.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:08,843 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 0.34ms. Allocated memory is still 102.8MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.37ms. Allocated memory is still 151.0MB. Free memory was 116.1MB in the beginning and 105.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.95ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 103.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 102.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.65ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 89.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 17.70ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 88.8MB in the end (delta: 689.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:31:08,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2 --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 de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:11,642 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:11,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:31:11,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:11,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:11,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:11,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:11,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:11,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:11,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:11,838 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:11,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:11,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:11,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:11,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:11,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:11,842 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:31:11,843 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:31:11,844 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:11,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:31:11,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:11,846 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:11,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:11,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:11,848 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:11,848 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:11,849 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:11,849 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:11,849 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:11,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:11,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:11,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:11,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:11,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:11,853 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:31:11,853 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:11,854 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:11,854 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:31:11,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:11,855 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_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 [2023-11-21 18:31:12,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:12,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:12,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:12,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:12,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:12,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-11-21 18:31:15,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:15,935 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:15,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/sv-benchmarks/c/weaver/mult-comm.wvr.c [2023-11-21 18:31:15,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data/ee28d7024/ea57de2e01304d38b3b39720f5094360/FLAG8f70e2ea5 [2023-11-21 18:31:15,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/data/ee28d7024/ea57de2e01304d38b3b39720f5094360 [2023-11-21 18:31:15,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:15,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:15,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:15,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:15,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:15,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:15,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74334701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:15, skipping insertion in model container [2023-11-21 18:31:15,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:15" (1/1) ... [2023-11-21 18:31:15,995 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:16,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:16,222 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:16,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:16,275 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:16,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16 WrapperNode [2023-11-21 18:31:16,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:16,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:16,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:16,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:16,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,323 INFO L138 Inliner]: procedures = 23, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-21 18:31:16,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:16,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:16,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:16,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:16,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:16,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:16,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:16,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:16,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:16,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:16,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:16,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:31:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:31:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:31:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:31:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:31:16,483 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:31:16,629 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:16,632 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:16,808 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:16,819 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:16,820 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:31:16,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:16 BoogieIcfgContainer [2023-11-21 18:31:16,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:16,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:16,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:16,834 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:16,834 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:16" (1/1) ... [2023-11-21 18:31:16,835 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) [2023-11-21 18:31:16,840 INFO L158 Benchmark]: Toolchain (without parser) took 875.14ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.6MB in the beginning and 56.2MB in the end (delta: -8.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-21 18:31:16,840 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:16,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.52ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 36.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:31:16,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.16ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 34.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:16,843 INFO L158 Benchmark]: Boogie Preprocessor took 74.94ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.6MB in the beginning and 70.1MB in the end (delta: -35.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-21 18:31:16,844 INFO L158 Benchmark]: RCFGBuilder took 421.44ms. Allocated memory is still 90.2MB. Free memory was 69.7MB in the beginning and 57.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:31:16,844 INFO L158 Benchmark]: CodeCheck took 15.18ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 56.2MB in the end (delta: 919.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:16,848 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 0.37ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.52ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 36.2MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.16ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 34.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.94ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.6MB in the beginning and 70.1MB in the end (delta: -35.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 421.44ms. Allocated memory is still 90.2MB. Free memory was 69.7MB in the beginning and 57.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15.18ms. Allocated memory is still 90.2MB. Free memory was 57.1MB in the beginning and 56.2MB in the end (delta: 919.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:31:16,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd888369-f132-434a-a4f1-8b49181889ff/bin/ukojak-verify-i0I2FZA1j2/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