./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/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_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/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_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:49,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:49,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:44:49,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:49,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:49,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:49,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:49,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:49,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:49,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:49,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:49,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:49,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:49,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:49,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:49,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:49,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:49,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:49,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:49,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:49,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:49,948 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:49,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:49,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:49,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:49,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:49,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:49,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:49,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:49,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:49,952 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:49,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:49,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:49,953 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_6e8ed474-2351-455b-bd60-3e90731323eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 [2023-11-19 02:44:50,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:50,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:50,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:50,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:50,291 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:50,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:44:53,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:53,692 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:53,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:44:53,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data/4fc14dfa0/9441ca20641a442ca65f63c86595d667/FLAG6fe30b0ef [2023-11-19 02:44:53,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data/4fc14dfa0/9441ca20641a442ca65f63c86595d667 [2023-11-19 02:44:53,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:53,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:53,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:53,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:53,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:53,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:53" (1/1) ... [2023-11-19 02:44:53,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ef3e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:53, skipping insertion in model container [2023-11-19 02:44:53,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:53" (1/1) ... [2023-11-19 02:44:53,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:54,024 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2521,2534] [2023-11-19 02:44:54,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:54,055 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:54,106 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2521,2534] [2023-11-19 02:44:54,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:54,129 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:54,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54 WrapperNode [2023-11-19 02:44:54,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:54,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:54,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:54,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:54,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,184 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2023-11-19 02:44:54,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:54,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:54,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:54,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:54,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:54,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:54,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:54,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:54,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:54,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:54,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:54,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 02:44:54,325 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 02:44:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:44:54,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:44:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:44:54,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:44:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:44:54,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:44:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:44:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:44:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:44:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:44:54,333 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 02:44:54,431 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:54,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:54,780 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:54,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:54,803 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:44:54,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:54 BoogieIcfgContainer [2023-11-19 02:44:54,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:54,811 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:54,812 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:54,822 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:54,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:54" (1/1) ... [2023-11-19 02:44:54,824 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 02:44:54,829 INFO L158 Benchmark]: Toolchain (without parser) took 1089.75ms. Allocated memory is still 153.1MB. Free memory was 110.0MB in the beginning and 119.8MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:54,830 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 78.7MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:54,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.21ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 98.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:44:54,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.23ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:54,833 INFO L158 Benchmark]: Boogie Preprocessor took 39.48ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:54,834 INFO L158 Benchmark]: RCFGBuilder took 575.31ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 120.6MB in the end (delta: -25.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-19 02:44:54,835 INFO L158 Benchmark]: CodeCheck took 15.32ms. Allocated memory is still 153.1MB. Free memory was 120.6MB in the beginning and 119.8MB in the end (delta: 824.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:54,848 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 0.34ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 78.7MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.21ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 98.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.23ms. Allocated memory is still 153.1MB. Free memory was 98.2MB in the beginning and 96.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.48ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.31ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 120.6MB in the end (delta: -25.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 15.32ms. Allocated memory is still 153.1MB. Free memory was 120.6MB in the beginning and 119.8MB in the end (delta: 824.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:44:54,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/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_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/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_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:57,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:57,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:44:57,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:57,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:57,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:57,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:57,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:57,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:57,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:57,673 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:57,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:57,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:57,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:57,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:57,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:57,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:44:57,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:44:57,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:44:57,678 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:57,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:57,679 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:57,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:57,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:57,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:57,680 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:57,681 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:44:57,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:57,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:57,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:57,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:57,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:57,684 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:44:57,684 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:57,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:57,685 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:44:57,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:44:57,685 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_6e8ed474-2351-455b-bd60-3e90731323eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc77f08e5fdc1758b216096ce0b18debc22015dafe53c78389dc7da36650394 [2023-11-19 02:44:58,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:58,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:58,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:58,090 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:58,090 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:58,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:45:01,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:01,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:01,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2023-11-19 02:45:01,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data/94a9a31b9/a3d74c7849cf46fabb7686d27a9dba39/FLAGccefa4b35 [2023-11-19 02:45:01,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/data/94a9a31b9/a3d74c7849cf46fabb7686d27a9dba39 [2023-11-19 02:45:01,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:01,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:01,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:01,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:01,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:01,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2a93fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01, skipping insertion in model container [2023-11-19 02:45:01,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:01,781 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2521,2534] [2023-11-19 02:45:01,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:01,812 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:01,866 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2521,2534] [2023-11-19 02:45:01,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:01,888 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:01,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01 WrapperNode [2023-11-19 02:45:01,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:01,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:01,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:01,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:01,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,909 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,929 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-11-19 02:45:01,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:01,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:01,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:01,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:01,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:01,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:01,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:01,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:01,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:01" (1/1) ... [2023-11-19 02:45:01,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:02,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:02,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:02,057 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 02:45:02,058 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 02:45:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:45:02,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:45:02,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:45:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:45:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:45:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:45:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:45:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:45:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:45:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:45:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:45:02,064 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 02:45:02,236 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:02,238 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:02,616 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:02,635 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:02,635 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:45:02,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:02 BoogieIcfgContainer [2023-11-19 02:45:02,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:02,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:02,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:02,680 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:02,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:02" (1/1) ... [2023-11-19 02:45:02,682 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 02:45:02,686 INFO L158 Benchmark]: Toolchain (without parser) took 1200.58ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 44.2MB in the beginning and 80.6MB in the end (delta: -36.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:02,687 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:02,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.53ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 52.1MB in the end (delta: -8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.81ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 50.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,689 INFO L158 Benchmark]: Boogie Preprocessor took 33.93ms. Allocated memory is still 73.4MB. Free memory was 50.4MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,689 INFO L158 Benchmark]: RCFGBuilder took 677.45ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 33.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:45:02,690 INFO L158 Benchmark]: CodeCheck took 14.88ms. Allocated memory is still 102.8MB. Free memory was 81.5MB in the beginning and 80.6MB in the end (delta: 897.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:02,694 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 0.30ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.53ms. Allocated memory is still 73.4MB. Free memory was 44.0MB in the beginning and 52.1MB in the end (delta: -8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.81ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 50.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.93ms. Allocated memory is still 73.4MB. Free memory was 50.4MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.45ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 33.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.88ms. Allocated memory is still 102.8MB. Free memory was 81.5MB in the beginning and 80.6MB in the end (delta: 897.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:45:02,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8ed474-2351-455b-bd60-3e90731323eb/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