./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:43:25,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:43:25,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:43:25,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:43:25,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:43:25,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:43:25,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:43:25,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:43:25,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:43:25,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:43:25,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:43:25,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:43:25,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:43:25,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:43:25,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:43:25,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:43:25,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:43:25,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:43:25,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:43:25,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:43:25,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:43:25,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:43:25,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:43:25,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:43:25,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:43:25,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:43:25,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:43:25,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:43:25,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:43:25,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:43:25,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:43:25,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:43:25,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:43:25,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:43:25,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:43:25,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:43:25,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:43:25,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:43:25,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:43:25,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:43:25,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:43:25,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:43:25,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:43:25,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:43:25,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:43:25,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:43:25,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:43:25,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:43:25,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:43:25,934 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:43:25,934 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:43:25,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:43:25,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:43:25,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:43:25,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:43:25,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:43:25,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:43:25,937 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:43:25,937 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:43:25,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:43:25,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:43:25,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:43:25,938 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:43:25,939 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:43:25,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:43:25,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:25,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:43:25,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:43:25,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:43:25,940 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:43:25,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:43:25,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:43:25,942 INFO L138 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a [2022-11-20 17:43:26,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:43:26,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:43:26,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:43:26,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:43:26,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:43:26,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-20 17:43:29,223 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:43:29,508 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:43:29,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-20 17:43:29,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data/671216d9d/36ecce1227df4ba89af5c27b89a9a048/FLAG6928dcf0b [2022-11-20 17:43:29,533 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data/671216d9d/36ecce1227df4ba89af5c27b89a9a048 [2022-11-20 17:43:29,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:43:29,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:43:29,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:29,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:43:29,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:43:29,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f00b2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29, skipping insertion in model container [2022-11-20 17:43:29,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:43:29,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:43:29,775 WARN L237 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-20 17:43:29,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:29,801 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:43:29,831 WARN L237 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-20 17:43:29,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:29,853 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:43:29,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29 WrapperNode [2022-11-20 17:43:29,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:29,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:29,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:43:29,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:43:29,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,894 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-20 17:43:29,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:29,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:43:29,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:43:29,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:43:29,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:43:29,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:43:29,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:43:29,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:43:29,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:29" (1/1) ... [2022-11-20 17:43:29,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:29,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:43:29,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:43:29,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:43:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:43:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:43:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:43:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 17:43:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 17:43:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:43:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:43:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:43:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:43:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:43:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 17:43:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 17:43:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 17:43:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 17:43:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:43:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:43:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:43:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 17:43:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 17:43:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:43:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:43:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:43:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:43:30,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:43:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:43:30,026 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:43:30,192 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:43:30,212 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:43:30,756 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:43:30,944 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:43:30,944 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 17:43:30,945 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 17:43:30,946 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 17:43:30,950 INFO L158 Benchmark]: Toolchain (without parser) took 1411.86ms. Allocated memory is still 190.8MB. Free memory was 157.9MB in the beginning and 98.1MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 17:43:30,950 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:30,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.86ms. Allocated memory is still 190.8MB. Free memory was 157.6MB in the beginning and 145.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:43:30,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.30ms. Allocated memory is still 190.8MB. Free memory was 145.0MB in the beginning and 143.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:30,952 INFO L158 Benchmark]: Boogie Preprocessor took 44.42ms. Allocated memory is still 190.8MB. Free memory was 143.4MB in the beginning and 141.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:30,953 INFO L158 Benchmark]: RCFGBuilder took 1007.78ms. Allocated memory is still 190.8MB. Free memory was 141.4MB in the beginning and 98.1MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 17:43:30,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.86ms. Allocated memory is still 190.8MB. Free memory was 157.6MB in the beginning and 145.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.30ms. Allocated memory is still 190.8MB. Free memory was 145.0MB in the beginning and 143.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.42ms. Allocated memory is still 190.8MB. Free memory was 143.4MB in the beginning and 141.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.78ms. Allocated memory is still 190.8MB. Free memory was 141.4MB in the beginning and 98.1MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:43:30,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:43:33,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:43:33,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:43:33,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:43:33,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:43:33,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:43:33,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:43:33,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:43:33,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:43:33,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:43:33,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:43:33,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:43:33,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:43:33,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:43:33,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:43:33,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:43:33,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:43:33,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:43:33,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:43:33,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:43:33,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:43:33,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:43:33,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:43:33,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:43:33,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:43:33,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:43:33,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:43:33,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:43:33,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:43:33,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:43:33,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:43:33,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:43:33,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:43:33,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:43:33,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:43:33,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:43:33,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:43:33,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:43:33,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:43:33,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:43:33,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:43:33,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:43:33,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:43:33,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:43:33,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:43:33,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:43:33,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:43:33,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:43:33,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:43:33,693 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:43:33,694 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:43:33,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:43:33,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:43:33,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:43:33,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:43:33,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:43:33,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:43:33,696 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:43:33,696 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:43:33,696 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:43:33,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:43:33,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:43:33,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:43:33,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:43:33,697 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:43:33,698 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:43:33,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:43:33,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:33,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:43:33,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:43:33,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:43:33,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:43:33,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:43:33,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:43:33,700 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:43:33,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:43:33,700 INFO L138 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a [2022-11-20 17:43:34,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:43:34,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:43:34,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:43:34,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:43:34,128 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:43:34,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-20 17:43:37,155 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:43:37,387 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:43:37,389 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-20 17:43:37,402 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data/23357b4a6/e7842ccea84846908466fdda1fa5cf27/FLAG3c08debc9 [2022-11-20 17:43:37,417 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/data/23357b4a6/e7842ccea84846908466fdda1fa5cf27 [2022-11-20 17:43:37,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:43:37,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:43:37,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:37,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:43:37,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:43:37,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b182899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37, skipping insertion in model container [2022-11-20 17:43:37,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:43:37,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:43:37,750 WARN L237 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-20 17:43:37,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:37,790 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 17:43:37,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:43:37,834 WARN L237 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-20 17:43:37,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:37,864 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:43:37,913 WARN L237 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_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-20 17:43:37,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:37,952 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:43:37,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37 WrapperNode [2022-11-20 17:43:37,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:37,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:37,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:43:37,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:43:37,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,022 INFO L138 Inliner]: procedures = 29, calls = 76, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2022-11-20 17:43:38,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:38,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:43:38,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:43:38,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:43:38,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,074 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:43:38,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:43:38,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:43:38,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:43:38,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:38,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:38,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:43:38,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:43:38,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:43:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:43:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:43:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:43:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 17:43:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 17:43:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:43:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:43:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:43:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:43:38,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:43:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 17:43:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 17:43:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 17:43:38,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 17:43:38,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:43:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:43:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 17:43:38,176 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 17:43:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:43:38,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:43:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:43:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:43:38,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:43:38,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:43:38,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:43:38,180 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:43:38,318 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:43:38,319 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:43:39,028 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:43:39,342 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:43:39,343 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 17:43:39,344 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 17:43:39,344 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 17:43:39,351 INFO L158 Benchmark]: Toolchain (without parser) took 1928.88ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 36.7MB in the beginning and 53.9MB in the end (delta: -17.2MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-11-20 17:43:39,352 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:39,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.48ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 36.5MB in the beginning and 63.5MB in the end (delta: -27.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-20 17:43:39,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.12ms. Allocated memory is still 90.2MB. Free memory was 63.5MB in the beginning and 61.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:39,355 INFO L158 Benchmark]: Boogie Preprocessor took 58.08ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:39,355 INFO L158 Benchmark]: RCFGBuilder took 1266.03ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 53.9MB in the end (delta: 5.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-20 17:43:39,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.48ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 36.5MB in the beginning and 63.5MB in the end (delta: -27.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.12ms. Allocated memory is still 90.2MB. Free memory was 63.5MB in the beginning and 61.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.08ms. Allocated memory is still 90.2MB. Free memory was 61.6MB in the beginning and 59.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1266.03ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 53.9MB in the end (delta: 5.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:43:39,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91818377-4bf4-47f7-b8cb-68d6d2c2bc36/bin/ukojak-pZX7IvK2PQ/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?