./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL --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 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:44,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:44,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:59:44,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:44,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:44,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:44,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:44,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:44,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:44,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:44,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:44,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:44,993 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:44,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:44,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:44,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:44,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:44,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:44,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:44,998 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:59:44,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:59:44,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:45,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:45,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:45,001 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:45,002 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:45,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:45,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:45,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:45,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:45,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:45,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:45,006 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:45,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:45,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:45,008 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_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 [2023-11-19 02:59:45,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:45,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:45,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:45,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:45,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:45,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:59:48,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:48,663 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:48,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:59:48,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data/47cb2b982/e389f0e8582c4819bfbe809f5b274a05/FLAGd04a8d85d [2023-11-19 02:59:48,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data/47cb2b982/e389f0e8582c4819bfbe809f5b274a05 [2023-11-19 02:59:48,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:48,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:48,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:48,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:48,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:48,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:48" (1/1) ... [2023-11-19 02:59:48,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7e4a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:48, skipping insertion in model container [2023-11-19 02:59:48,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:48" (1/1) ... [2023-11-19 02:59:48,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:48,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:48,969 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:48,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:49,016 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:49,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49 WrapperNode [2023-11-19 02:59:49,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:49,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:49,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:49,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:49,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,062 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-19 02:59:49,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:49,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:49,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:49,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:49,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,088 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:49,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:49,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:49,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:49,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:49,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:49,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 02:59:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 02:59:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:59:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:59:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:59:49,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:59:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:59:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:59:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:59:49,215 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:59:49,367 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:49,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:49,782 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:49,797 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:49,800 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:59:49,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:49 BoogieIcfgContainer [2023-11-19 02:59:49,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:49,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:49,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:49,822 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:49,822 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:49" (1/1) ... [2023-11-19 02:59:49,823 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) [2023-11-19 02:59:49,828 INFO L158 Benchmark]: Toolchain (without parser) took 1122.11ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 108.1MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 02:59:49,829 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:49,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.14ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 129.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:59:49,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.13ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 127.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:49,832 INFO L158 Benchmark]: Boogie Preprocessor took 29.52ms. Allocated memory is still 176.2MB. Free memory was 127.1MB in the beginning and 126.2MB in the end (delta: 956.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:49,833 INFO L158 Benchmark]: RCFGBuilder took 716.04ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 109.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:59:49,833 INFO L158 Benchmark]: CodeCheck took 15.45ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 108.1MB in the end (delta: 521.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:49,837 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 127.9MB. Free memory was 91.7MB in the beginning and 91.7MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.14ms. Allocated memory is still 176.2MB. Free memory was 140.9MB in the beginning and 129.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.13ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 127.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.52ms. Allocated memory is still 176.2MB. Free memory was 127.1MB in the beginning and 126.2MB in the end (delta: 956.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 716.04ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 109.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.45ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 108.1MB in the end (delta: 521.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:59:49,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL --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 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:52,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:52,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:59:52,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:52,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:52,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:52,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:52,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:52,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:52,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:52,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:52,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:52,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:52,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:52,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:52,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:52,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:59:52,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:59:52,758 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:59:52,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:59:52,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:59:52,760 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:52,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:52,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:52,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:52,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:52,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:52,764 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:52,765 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:52,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:52,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:52,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:52,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:52,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:52,768 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:59:52,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:59:52,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:52,770 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:59:52,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:59:52,771 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_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 [2023-11-19 02:59:53,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:53,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:53,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:53,234 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:53,234 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:53,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:59:56,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:56,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:56,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:59:56,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data/822448171/6ded94e69cba4ff68e27dba8a5364a26/FLAG234841534 [2023-11-19 02:59:56,881 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/data/822448171/6ded94e69cba4ff68e27dba8a5364a26 [2023-11-19 02:59:56,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:56,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:56,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:56,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:56,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:56,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:56" (1/1) ... [2023-11-19 02:59:56,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b48ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:56, skipping insertion in model container [2023-11-19 02:59:56,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:56" (1/1) ... [2023-11-19 02:59:56,934 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:57,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:57,195 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:57,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:57,253 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:57,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57 WrapperNode [2023-11-19 02:59:57,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:57,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:57,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:57,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:57,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,318 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2023-11-19 02:59:57,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:57,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:57,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:57,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:57,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:57,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:57,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:57,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:57,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:57" (1/1) ... [2023-11-19 02:59:57,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:57,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:57,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:57,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 02:59:57,445 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 02:59:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:59:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:59:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:59:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:59:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:59:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:59:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:59:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:59:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:59:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:57,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:59:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:59:57,451 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 02:59:57,638 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:57,640 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:58,010 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:58,021 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:58,022 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:59:58,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:58 BoogieIcfgContainer [2023-11-19 02:59:58,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:58,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:58,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:58,046 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:58,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:58" (1/1) ... [2023-11-19 02:59:58,047 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) [2023-11-19 02:59:58,051 INFO L158 Benchmark]: Toolchain (without parser) took 1157.20ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 55.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:59:58,052 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:58,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.47ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 52.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:59:58,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.19ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:59:58,054 INFO L158 Benchmark]: Boogie Preprocessor took 39.27ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:58,055 INFO L158 Benchmark]: RCFGBuilder took 667.68ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 56.4MB in the end (delta: -7.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:59:58,055 INFO L158 Benchmark]: CodeCheck took 22.07ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 55.3MB in the end (delta: 799.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:59:58,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.47ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 52.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.19ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 50.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.27ms. Allocated memory is still 88.1MB. Free memory was 50.3MB in the beginning and 48.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.68ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 56.4MB in the end (delta: -7.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 22.07ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 55.3MB in the end (delta: 799.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:59:58,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_545c232a-1971-4d4a-abad-858566b35040/bin/ukojak-verify-G8NBE6pJGL/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