./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/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_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 22:30:06,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:30:06,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:30:06,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:30:06,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:30:06,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:30:06,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:30:06,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:30:06,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:30:06,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:30:06,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:30:06,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:30:06,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:30:06,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:30:06,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:30:06,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:30:06,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:30:06,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:30:06,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:30:06,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:30:06,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:30:06,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:30:06,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:30:06,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:30:06,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:30:06,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:30:06,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:30:06,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:30:06,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:30:06,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:30:06,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:30:06,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:30:06,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:30:06,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:30:06,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:30:06,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:30:06,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:30:06,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:30:06,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:30:06,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:30:06,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:30:06,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:30:06,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:30:06,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:30:06,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:30:06,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:30:06,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:30:06,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:30:06,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:30:06,436 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:30:06,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:30:06,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:30:06,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:30:06,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:30:06,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:30:06,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:30:06,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:30:06,439 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:30:06,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:30:06,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:30:06,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:30:06,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:30:06,440 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:30:06,441 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:30:06,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:30:06,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:06,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:30:06,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:30:06,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:30:06,442 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:30:06,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:30:06,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:30:06,444 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_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a [2022-11-21 22:30:06,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:30:06,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:30:06,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:30:06,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:30:06,808 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:30:06,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-21 22:30:09,875 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:30:10,093 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:30:10,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-21 22:30:10,101 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data/af330787b/99d54ce8009d477f80520cd302fbdb68/FLAGd2092ad33 [2022-11-21 22:30:10,115 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data/af330787b/99d54ce8009d477f80520cd302fbdb68 [2022-11-21 22:30:10,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:30:10,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:30:10,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:10,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:30:10,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:30:10,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466aedb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10, skipping insertion in model container [2022-11-21 22:30:10,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:30:10,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:30:10,369 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_9279b81d-a822-4b63-9938-19cd7d557f64/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-21 22:30:10,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:10,390 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:30:10,433 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_9279b81d-a822-4b63-9938-19cd7d557f64/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-21 22:30:10,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:10,454 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:30:10,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10 WrapperNode [2022-11-21 22:30:10,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:10,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:10,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:30:10,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:30:10,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,497 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-21 22:30:10,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:10,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:30:10,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:30:10,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:30:10,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,529 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:30:10,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:30:10,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:30:10,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:30:10,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:10" (1/1) ... [2022-11-21 22:30:10,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:10,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:30:10,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:30:10,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:30:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:30:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:30:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:30:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 22:30:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 22:30:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:30:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 22:30:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 22:30:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 22:30:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 22:30:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 22:30:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 22:30:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 22:30:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 22:30:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:30:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:30:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:30:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 22:30:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 22:30:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:30:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:30:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 22:30:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:30:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:30:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:30:10,632 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:30:10,753 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:30:10,756 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:30:11,228 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:30:11,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:30:11,555 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 22:30:11,556 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-21 22:30:11,556 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) [2022-11-21 22:30:11,582 INFO L158 Benchmark]: Toolchain (without parser) took 1461.46ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 122.5MB in the beginning and 179.2MB in the end (delta: -56.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-11-21 22:30:11,583 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:30:11,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.01ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 109.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:30:11,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.52ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:30:11,586 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:30:11,588 INFO L158 Benchmark]: RCFGBuilder took 1045.13ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 105.7MB in the beginning and 179.2MB in the end (delta: -73.5MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-11-21 22:30:11,591 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 113.2MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.01ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 109.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.52ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 105.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1045.13ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 105.7MB in the beginning and 179.2MB in the end (delta: -73.5MB). Peak memory consumption was 51.9MB. 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. [2022-11-21 22:30:11,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/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_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg --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-b5237d8 [2022-11-21 22:30:14,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:30:14,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:30:14,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:30:14,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:30:14,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:30:14,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:30:14,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:30:14,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:30:14,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:30:14,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:30:14,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:30:14,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:30:14,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:30:14,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:30:14,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:30:14,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:30:14,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:30:14,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:30:14,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:30:14,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:30:14,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:30:14,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:30:14,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:30:14,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:30:14,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:30:14,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:30:14,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:30:14,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:30:14,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:30:14,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:30:14,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:30:14,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:30:14,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:30:14,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:30:14,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:30:14,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:30:14,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:30:14,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:30:14,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:30:14,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:30:14,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:30:14,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:30:14,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:30:14,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:30:14,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:30:14,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:30:14,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:30:14,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:30:14,310 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:30:14,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:30:14,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:30:14,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:30:14,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:30:14,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:30:14,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:30:14,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:30:14,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:30:14,313 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:30:14,314 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:30:14,315 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:30:14,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:30:14,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:30:14,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:30:14,316 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:30:14,317 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:30:14,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:30:14,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:14,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:30:14,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:30:14,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:30:14,319 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:30:14,319 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:30:14,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:30:14,320 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:30:14,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:30:14,321 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_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a [2022-11-21 22:30:14,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:30:14,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:30:14,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:30:14,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:30:14,725 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:30:14,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-21 22:30:18,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:30:18,426 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:30:18,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-11-21 22:30:18,434 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data/0be26f210/a1ee0550870247af9a97ae90bb66e456/FLAG46a21f8ec [2022-11-21 22:30:18,449 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/data/0be26f210/a1ee0550870247af9a97ae90bb66e456 [2022-11-21 22:30:18,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:30:18,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:30:18,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:18,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:30:18,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:30:18,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7216a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18, skipping insertion in model container [2022-11-21 22:30:18,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:30:18,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:30:18,704 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_9279b81d-a822-4b63-9938-19cd7d557f64/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-21 22:30:18,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:18,728 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 22:30:18,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:30:18,758 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_9279b81d-a822-4b63-9938-19cd7d557f64/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-21 22:30:18,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:18,774 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:30:18,815 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_9279b81d-a822-4b63-9938-19cd7d557f64/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-11-21 22:30:18,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:18,844 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:30:18,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18 WrapperNode [2022-11-21 22:30:18,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:18,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:18,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:30:18,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:30:18,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,895 INFO L138 Inliner]: procedures = 29, calls = 76, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2022-11-21 22:30:18,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:18,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:30:18,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:30:18,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:30:18,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:30:18,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:30:18,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:30:18,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:30:18,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:18" (1/1) ... [2022-11-21 22:30:18,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:18,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:30:18,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:30:18,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:30:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:30:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:30:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:30:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 22:30:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 22:30:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:30:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 22:30:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 22:30:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 22:30:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 22:30:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 22:30:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 22:30:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 22:30:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 22:30:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:30:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:30:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 22:30:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 22:30:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:30:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:30:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 22:30:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:30:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:30:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:30:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:30:19,040 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:30:19,195 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:30:19,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:30:19,790 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:30:20,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:30:20,111 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 22:30:20,114 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-21 22:30:20,114 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) [2022-11-21 22:30:20,121 INFO L158 Benchmark]: Toolchain (without parser) took 1666.39ms. Allocated memory was 58.7MB in the beginning and 90.2MB in the end (delta: 31.5MB). Free memory was 25.2MB in the beginning and 53.7MB in the end (delta: -28.4MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2022-11-21 22:30:20,121 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:30:20,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.33ms. Allocated memory was 58.7MB in the beginning and 90.2MB in the end (delta: 31.5MB). Free memory was 25.1MB in the beginning and 56.6MB in the end (delta: -31.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2022-11-21 22:30:20,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.47ms. Allocated memory is still 90.2MB. Free memory was 56.6MB in the beginning and 54.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:30:20,124 INFO L158 Benchmark]: Boogie Preprocessor took 43.38ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 52.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:30:20,125 INFO L158 Benchmark]: RCFGBuilder took 1178.80ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 53.7MB in the end (delta: -1.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-11-21 22:30:20,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.33ms. Allocated memory was 58.7MB in the beginning and 90.2MB in the end (delta: 31.5MB). Free memory was 25.1MB in the beginning and 56.6MB in the end (delta: -31.5MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.47ms. Allocated memory is still 90.2MB. Free memory was 56.6MB in the beginning and 54.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.38ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 52.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.80ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 53.7MB in the end (delta: -1.1MB). Peak memory consumption was 20.9MB. 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. [2022-11-21 22:30:20,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9279b81d-a822-4b63-9938-19cd7d557f64/bin/ukojak-jW3SillKbg/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?