./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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 422a1b4addf42b15afc18c6b3ff87ab94cf45a5af46627fa0165a3dbe9c138e8 --- 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 18:21:28,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:28,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:28,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:28,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:28,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:28,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:28,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:28,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:28,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:28,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:28,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:28,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:28,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:28,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:28,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:28,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:28,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:28,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:28,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:28,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:28,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:28,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:28,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:28,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:28,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:28,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:28,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:28,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:28,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:28,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:28,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:28,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:28,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:28,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:28,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:28,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:28,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:28,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:28,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:28,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:28,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:21:29,012 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:29,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:29,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:29,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:29,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:29,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:29,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:29,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:21:29,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:29,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:21:29,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:21:29,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:29,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:29,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:29,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:29,016 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:29,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:21:29,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:29,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:29,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:29,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:29,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:29,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:29,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:29,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:29,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:29,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:29,019 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:21:29,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:21:29,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:29,020 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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422a1b4addf42b15afc18c6b3ff87ab94cf45a5af46627fa0165a3dbe9c138e8 [2022-11-20 18:21:29,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:29,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:29,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:29,371 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:29,372 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:29,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2022-11-20 18:21:32,367 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:32,671 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:32,672 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2022-11-20 18:21:32,697 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data/a1cfc60d5/42c26615d84e43fbae74664e169b96c4/FLAG2f8cca109 [2022-11-20 18:21:32,715 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data/a1cfc60d5/42c26615d84e43fbae74664e169b96c4 [2022-11-20 18:21:32,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:32,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:32,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:32,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:32,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:32,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac2ce88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:32, skipping insertion in model container [2022-11-20 18:21:32,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:32" (1/1) ... [2022-11-20 18:21:32,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:32,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:32,949 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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-11-20 18:21:32,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:32,981 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:33,019 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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-11-20 18:21:33,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:33,043 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:33,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33 WrapperNode [2022-11-20 18:21:33,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:33,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:33,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:33,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:33,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,084 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-20 18:21:33,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:33,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:33,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:33,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:33,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:33,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:33,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:33,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:33,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:33" (1/1) ... [2022-11-20 18:21:33,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:33,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:33,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:33,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:21:33,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 18:21:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 18:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:21:33,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:21:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:21:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:21:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:21:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:21:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:21:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 18:21:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 18:21:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:21:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:21:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:21:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 18:21:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 18:21:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:21:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:21:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:21:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:21:33,217 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 18:21:33,363 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:33,366 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:33,872 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:34,118 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:34,119 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 18:21:34,120 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 18:21:34,120 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 18:21:34,129 INFO L158 Benchmark]: Toolchain (without parser) took 1408.26ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 103.0MB in the end (delta: 10.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,129 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:34,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.03ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 100.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.41ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,132 INFO L158 Benchmark]: Boogie Preprocessor took 35.26ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,133 INFO L158 Benchmark]: RCFGBuilder took 1005.99ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 103.0MB in the end (delta: -6.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 18:21:34,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.03ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 100.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.41ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.26ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1005.99ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 103.0MB in the end (delta: -6.4MB). Peak memory consumption was 33.6MB. 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 18:21:34,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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 422a1b4addf42b15afc18c6b3ff87ab94cf45a5af46627fa0165a3dbe9c138e8 --- 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 18:21:36,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:36,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:36,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:36,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:36,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:36,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:36,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:36,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:36,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:36,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:36,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:36,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:36,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:36,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:36,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:36,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:36,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:36,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:36,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:36,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:36,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:36,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:36,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:36,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:36,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:36,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:36,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:36,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:36,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:36,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:36,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:36,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:36,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:36,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:36,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:36,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:36,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:36,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:36,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:36,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:36,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 18:21:36,820 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:36,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:36,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:36,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:36,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:36,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:36,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:36,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:21:36,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:36,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:21:36,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:36,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:36,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:36,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:36,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:21:36,827 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:21:36,827 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:36,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:21:36,828 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:21:36,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:36,828 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:36,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:36,829 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:36,829 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:36,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:36,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:36,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:36,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:36,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:36,830 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:21:36,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:21:36,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:36,831 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:21:36,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:21:36,832 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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 422a1b4addf42b15afc18c6b3ff87ab94cf45a5af46627fa0165a3dbe9c138e8 [2022-11-20 18:21:37,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:37,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:37,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:37,264 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:37,266 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:37,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2022-11-20 18:21:40,541 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:40,753 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:40,754 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c [2022-11-20 18:21:40,761 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data/4c9f1821f/99e46af53af943feb1b0e302b6cfab2f/FLAGb89327f22 [2022-11-20 18:21:40,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/data/4c9f1821f/99e46af53af943feb1b0e302b6cfab2f [2022-11-20 18:21:40,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:40,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:40,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:40,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:40,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:40,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:40" (1/1) ... [2022-11-20 18:21:40,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c81534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:40, skipping insertion in model container [2022-11-20 18:21:40,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:40" (1/1) ... [2022-11-20 18:21:40,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:40,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:41,025 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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-11-20 18:21:41,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:41,054 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 18:21:41,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:41,104 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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-11-20 18:21:41,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:41,115 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:41,144 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_3872e9fa-a5f0-4a60-8083-aa5535b8d067/sv-benchmarks/c/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-11-20 18:21:41,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:41,167 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:41,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41 WrapperNode [2022-11-20 18:21:41,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:41,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:41,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:41,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:41,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,212 INFO L138 Inliner]: procedures = 29, calls = 80, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2022-11-20 18:21:41,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:41,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:41,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:41,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:41,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:41,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:41,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:41,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:41,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:41" (1/1) ... [2022-11-20 18:21:41,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:41,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:41,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:41,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:21:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:21:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:21:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 18:21:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 18:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:21:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:21:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:21:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:21:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:21:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:21:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 18:21:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 18:21:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:21:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:21:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 18:21:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 18:21:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:21:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:21:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:21:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:21:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:21:41,362 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 18:21:41,592 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:41,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:42,166 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:42,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:42,381 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 18:21:42,382 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 18:21:42,383 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 18:21:42,390 INFO L158 Benchmark]: Toolchain (without parser) took 1608.26ms. Allocated memory is still 79.7MB. Free memory was 53.9MB in the beginning and 48.6MB in the end (delta: 5.3MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-11-20 18:21:42,390 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:42,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.56ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 37.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:42,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.58ms. Allocated memory is still 79.7MB. Free memory was 37.8MB in the beginning and 36.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:42,393 INFO L158 Benchmark]: Boogie Preprocessor took 55.34ms. Allocated memory is still 79.7MB. Free memory was 36.0MB in the beginning and 33.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:42,394 INFO L158 Benchmark]: RCFGBuilder took 1118.75ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 48.6MB in the end (delta: -15.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-11-20 18:21:42,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.56ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 37.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.58ms. Allocated memory is still 79.7MB. Free memory was 37.8MB in the beginning and 36.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.34ms. Allocated memory is still 79.7MB. Free memory was 36.0MB in the beginning and 33.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1118.75ms. Allocated memory is still 79.7MB. Free memory was 33.7MB in the beginning and 48.6MB in the end (delta: -15.0MB). Peak memory consumption was 13.3MB. 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 18:21:42,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3872e9fa-a5f0-4a60-8083-aa5535b8d067/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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?