./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/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_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/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_560d55d4-30f3-42c9-a68d-346bf45771cb/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 7be9b237ca4111a24c77c67cce26f31a788af03984af96dee7353f79c789c2c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:03,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:03,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:15:03,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:03,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:03,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:03,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:03,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:03,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:03,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:03,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:03,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:03,944 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:03,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:03,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:03,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:03,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:03,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:03,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:03,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:03,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:03,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:03,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:03,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:03,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:03,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:03,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:03,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:03,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:03,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:03,954 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:03,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:03,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:03,955 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_560d55d4-30f3-42c9-a68d-346bf45771cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be9b237ca4111a24c77c67cce26f31a788af03984af96dee7353f79c789c2c1 [2023-11-19 03:15:04,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:04,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:04,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:04,316 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:04,317 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:04,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-19 03:15:07,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:07,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:07,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-19 03:15:07,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data/dfdbc6cf5/eb25227366d244d292250383db5b6ee5/FLAG894e439df [2023-11-19 03:15:07,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data/dfdbc6cf5/eb25227366d244d292250383db5b6ee5 [2023-11-19 03:15:07,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:07,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:07,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:07,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:07,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:07,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:07" (1/1) ... [2023-11-19 03:15:07,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263e09fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:07, skipping insertion in model container [2023-11-19 03:15:07,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:07" (1/1) ... [2023-11-19 03:15:07,923 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:08,553 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_560d55d4-30f3-42c9-a68d-346bf45771cb/sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-11-19 03:15:08,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:08,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:08,752 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_560d55d4-30f3-42c9-a68d-346bf45771cb/sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-11-19 03:15:08,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:08,847 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:08,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08 WrapperNode [2023-11-19 03:15:08,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:08,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:08,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:08,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:08,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:08,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:08,957 INFO L138 Inliner]: procedures = 278, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 228 [2023-11-19 03:15:08,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:08,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:08,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:08,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:08,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:08,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:08,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:08,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:09,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:09,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:09,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:09,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:08" (1/1) ... [2023-11-19 03:15:09,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:09,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:09,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:09,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:15:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:15:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:15:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-19 03:15:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-19 03:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:15:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-19 03:15:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-19 03:15:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-11-19 03:15:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-11-19 03:15:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:15:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:15:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:15:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:09,154 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 03:15:09,435 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:09,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:09,947 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:09,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:09,959 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 03:15:09,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:09 BoogieIcfgContainer [2023-11-19 03:15:09,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:09,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:09,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:09,975 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:09,975 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:09" (1/1) ... [2023-11-19 03:15:09,976 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:15:09,980 INFO L158 Benchmark]: Toolchain (without parser) took 2132.34ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 117.9MB in the end (delta: 7.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-19 03:15:09,980 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 159.4MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:09,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1000.14ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 88.8MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:15:09,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.90ms. Allocated memory is still 159.4MB. Free memory was 88.8MB in the beginning and 85.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:09,982 INFO L158 Benchmark]: Boogie Preprocessor took 95.59ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:09,983 INFO L158 Benchmark]: RCFGBuilder took 909.80ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 118.7MB in the end (delta: -35.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-19 03:15:09,983 INFO L158 Benchmark]: CodeCheck took 12.62ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 117.9MB in the end (delta: 750.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:09,987 INFO L338 ainManager$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 0.24ms. Allocated memory is still 159.4MB. Free memory is still 113.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1000.14ms. Allocated memory is still 159.4MB. Free memory was 125.0MB in the beginning and 88.8MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.90ms. Allocated memory is still 159.4MB. Free memory was 88.8MB in the beginning and 85.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.59ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 83.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 909.80ms. Allocated memory is still 159.4MB. Free memory was 83.3MB in the beginning and 118.7MB in the end (delta: -35.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * CodeCheck took 12.62ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 117.9MB in the end (delta: 750.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:15:10,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/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_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/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_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/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_560d55d4-30f3-42c9-a68d-346bf45771cb/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 7be9b237ca4111a24c77c67cce26f31a788af03984af96dee7353f79c789c2c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:12,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:12,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:15:12,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:12,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:12,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:12,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:12,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:12,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:12,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:12,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:12,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:12,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:12,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:12,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:12,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:12,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:15:12,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:15:12,926 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:15:12,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:12,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:12,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:12,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:12,929 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:12,930 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:12,930 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:12,930 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:15:12,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:12,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:12,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:12,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:12,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:12,934 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:15:12,934 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:12,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:12,934 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:15:12,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:15:12,935 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_560d55d4-30f3-42c9-a68d-346bf45771cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7be9b237ca4111a24c77c67cce26f31a788af03984af96dee7353f79c789c2c1 [2023-11-19 03:15:13,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:13,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:13,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:13,405 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:13,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:13,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-19 03:15:16,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:17,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:17,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i [2023-11-19 03:15:17,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data/640d8f9d7/d3195c2389134d9aa6afa3e631f07865/FLAGad1d9c0c2 [2023-11-19 03:15:17,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/data/640d8f9d7/d3195c2389134d9aa6afa3e631f07865 [2023-11-19 03:15:17,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:17,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:17,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:17,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:17,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:17,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:17" (1/1) ... [2023-11-19 03:15:17,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39de723d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:17, skipping insertion in model container [2023-11-19 03:15:17,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:17" (1/1) ... [2023-11-19 03:15:17,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:17,917 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_560d55d4-30f3-42c9-a68d-346bf45771cb/sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-11-19 03:15:17,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:18,139 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:18,195 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_560d55d4-30f3-42c9-a68d-346bf45771cb/sv-benchmarks/c/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-11-19 03:15:18,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:18,341 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:18,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18 WrapperNode [2023-11-19 03:15:18,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:18,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:18,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:18,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:18,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,454 INFO L138 Inliner]: procedures = 282, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 225 [2023-11-19 03:15:18,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:18,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:18,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:18,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:18,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:18,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:18,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:18,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:18,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:18" (1/1) ... [2023-11-19 03:15:18,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:18,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:18,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:15:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:15:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:15:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:15:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:15:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-19 03:15:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-19 03:15:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:15:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:15:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:15:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:15:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-19 03:15:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-19 03:15:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-11-19 03:15:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-11-19 03:15:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:15:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:15:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:15:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:18,663 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 03:15:18,872 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:18,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:19,411 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:19,426 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:19,426 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 03:15:19,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:19 BoogieIcfgContainer [2023-11-19 03:15:19,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:19,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:19,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:19,444 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:19,445 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:19" (1/1) ... [2023-11-19 03:15:19,446 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 03:15:19,450 INFO L158 Benchmark]: Toolchain (without parser) took 2214.47ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 66.1MB in the beginning and 94.2MB in the end (delta: -28.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-19 03:15:19,451 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:19,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1105.71ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 65.9MB in the beginning and 92.9MB in the end (delta: -27.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-19 03:15:19,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.27ms. Allocated memory is still 134.2MB. Free memory was 92.4MB in the beginning and 89.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:19,454 INFO L158 Benchmark]: Boogie Preprocessor took 93.45ms. Allocated memory is still 134.2MB. Free memory was 89.8MB in the beginning and 86.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:19,454 INFO L158 Benchmark]: RCFGBuilder took 881.90ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 95.0MB in the end (delta: -8.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-11-19 03:15:19,455 INFO L158 Benchmark]: CodeCheck took 15.53ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 94.2MB in the end (delta: 707.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:19,459 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 0.41ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1105.71ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 65.9MB in the beginning and 92.9MB in the end (delta: -27.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.27ms. Allocated memory is still 134.2MB. Free memory was 92.4MB in the beginning and 89.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.45ms. Allocated memory is still 134.2MB. Free memory was 89.8MB in the beginning and 86.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 881.90ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 95.0MB in the end (delta: -8.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * CodeCheck took 15.53ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 94.2MB in the end (delta: 707.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:15:19,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560d55d4-30f3-42c9-a68d-346bf45771cb/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