./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4 --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 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- 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-2329fc7 [2022-12-15 02:08:00,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:08:00,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:08:00,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:08:00,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:08:00,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:08:00,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:08:00,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:08:00,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:08:00,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:08:00,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:08:00,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:08:00,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:08:00,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:08:00,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:08:00,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:08:00,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:08:00,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:08:00,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:08:00,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:08:00,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:08:00,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:08:00,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:08:00,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:08:00,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:08:00,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:08:00,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:08:00,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:08:00,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:08:00,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:08:00,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:08:00,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:08:00,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:08:00,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:08:00,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:08:00,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:08:00,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:08:00,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:08:00,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:08:00,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:08:00,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:08:00,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 02:08:00,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:08:00,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:08:00,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:08:00,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:08:00,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:08:00,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:08:00,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:08:00,602 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:08:00,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:08:00,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:08:00,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:08:00,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:08:00,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:08:00,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:08:00,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:08:00,603 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:08:00,603 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:08:00,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:08:00,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:08:00,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:08:00,604 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:08:00,604 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:08:00,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:08:00,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:08:00,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:08:00,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:08:00,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:08:00,605 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:08:00,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:08:00,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:08:00,605 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2022-12-15 02:08:00,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:08:00,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:08:00,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:08:00,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:08:00,835 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:08:00,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2022-12-15 02:08:03,457 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:08:03,610 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:08:03,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2022-12-15 02:08:03,616 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data/9423bc668/2f8e4ea80d0f4f72bebb77d4cfe2f076/FLAGff61131d5 [2022-12-15 02:08:04,029 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data/9423bc668/2f8e4ea80d0f4f72bebb77d4cfe2f076 [2022-12-15 02:08:04,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:08:04,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:08:04,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:08:04,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:08:04,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:08:04,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee8668c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04, skipping insertion in model container [2022-12-15 02:08:04,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:08:04,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:08:04,197 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:04,199 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:04,202 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:04,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:04,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:04,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:04,213 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2022-12-15 02:08:04,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:08:04,228 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:08:04,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:04,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:04,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:04,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:04,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:04,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:04,249 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2022-12-15 02:08:04,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:08:04,267 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:08:04,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04 WrapperNode [2022-12-15 02:08:04,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:08:04,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:08:04,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:08:04,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:08:04,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,302 INFO L138 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2022-12-15 02:08:04,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:08:04,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:08:04,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:08:04,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:08:04,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,324 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:08:04,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:08:04,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:08:04,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:08:04,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:04" (1/1) ... [2022-12-15 02:08:04,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:08:04,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:08:04,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:08:04,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 02:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 02:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-15 02:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-15 02:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:08:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:08:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:08:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:08:04,391 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:08:04,471 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:08:04,472 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:08:04,703 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:08:04,795 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:08:04,796 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 02:08:04,796 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-12-15 02:08:04,797 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) [2022-12-15 02:08:04,800 INFO L158 Benchmark]: Toolchain (without parser) took 766.68ms. Allocated memory is still 144.7MB. Free memory was 117.5MB in the beginning and 69.8MB in the end (delta: 47.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-15 02:08:04,801 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:08:04,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.16ms. Allocated memory is still 144.7MB. Free memory was 117.5MB in the beginning and 104.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 02:08:04,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.08ms. Allocated memory is still 144.7MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:08:04,803 INFO L158 Benchmark]: Boogie Preprocessor took 26.26ms. Allocated memory is still 144.7MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:08:04,804 INFO L158 Benchmark]: RCFGBuilder took 469.12ms. Allocated memory is still 144.7MB. Free memory was 101.8MB in the beginning and 69.8MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-15 02:08:04,806 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.16ms. Allocated memory is still 144.7MB. Free memory was 117.5MB in the beginning and 104.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.08ms. Allocated memory is still 144.7MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.26ms. Allocated memory is still 144.7MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 469.12ms. Allocated memory is still 144.7MB. Free memory was 101.8MB in the beginning and 69.8MB in the end (delta: 32.0MB). 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. [2022-12-15 02:08:04,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4 --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 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- 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-2329fc7 [2022-12-15 02:08:06,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:08:06,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:08:06,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:08:06,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:08:06,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:08:06,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:08:06,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:08:06,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:08:06,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:08:06,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:08:06,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:08:06,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:08:06,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:08:06,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:08:06,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:08:06,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:08:06,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:08:06,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:08:06,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:08:06,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:08:06,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:08:06,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:08:06,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:08:06,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:08:06,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:08:06,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:08:06,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:08:06,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:08:06,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:08:06,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:08:06,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:08:06,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:08:06,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:08:06,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:08:06,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:08:06,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:08:06,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:08:06,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:08:06,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:08:06,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:08:06,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 02:08:06,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:08:06,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:08:06,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:08:06,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:08:06,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:08:06,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:08:06,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:08:06,767 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:08:06,767 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:08:06,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:08:06,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:08:06,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:08:06,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:08:06,768 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:08:06,768 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:08:06,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:08:06,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:08:06,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:08:06,770 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2022-12-15 02:08:06,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:08:06,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:08:07,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:08:07,002 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:08:07,003 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:08:07,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2022-12-15 02:08:09,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:08:09,742 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:08:09,743 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2022-12-15 02:08:09,750 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data/f9e8c743e/5e64e00de4d744649a70071e8dc36c07/FLAGddb3e1d6d [2022-12-15 02:08:09,764 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/data/f9e8c743e/5e64e00de4d744649a70071e8dc36c07 [2022-12-15 02:08:09,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:08:09,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:08:09,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:08:09,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:08:09,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:08:09,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:08:09" (1/1) ... [2022-12-15 02:08:09,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a92370a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:09, skipping insertion in model container [2022-12-15 02:08:09,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:08:09" (1/1) ... [2022-12-15 02:08:09,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:08:09,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:08:09,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:09,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:09,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:09,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:09,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:09,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:09,962 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2022-12-15 02:08:09,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:08:09,985 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-15 02:08:09,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:08:09,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:09,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:09,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:09,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:09,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:09,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:09,998 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2022-12-15 02:08:10,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:08:10,006 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:08:10,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:10,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:10,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:10,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:10,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:08:10,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:08:10,024 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_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2022-12-15 02:08:10,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:08:10,046 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:08:10,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10 WrapperNode [2022-12-15 02:08:10,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:08:10,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:08:10,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:08:10,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:08:10,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,085 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2022-12-15 02:08:10,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:08:10,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:08:10,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:08:10,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:08:10,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:08:10,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:08:10,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:08:10,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:08:10,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:08:10" (1/1) ... [2022-12-15 02:08:10,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:08:10,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:08:10,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:08:10,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:08:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:08:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:08:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:08:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 02:08:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 02:08:10,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 02:08:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 02:08:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 02:08:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-15 02:08:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-15 02:08:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:08:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:08:10,184 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-15 02:08:10,184 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-15 02:08:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:08:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:08:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:08:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:08:10,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:08:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:08:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 02:08:10,187 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 02:08:10,278 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:08:10,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:08:10,604 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:08:10,740 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:08:10,741 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 02:08:10,741 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-12-15 02:08:10,742 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) [2022-12-15 02:08:10,746 INFO L158 Benchmark]: Toolchain (without parser) took 977.35ms. Allocated memory is still 79.7MB. Free memory was 50.5MB in the beginning and 42.2MB in the end (delta: 8.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-12-15 02:08:10,746 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:08:10,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.02ms. Allocated memory is still 79.7MB. Free memory was 50.4MB in the beginning and 60.4MB in the end (delta: -10.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-12-15 02:08:10,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.31ms. Allocated memory is still 79.7MB. Free memory was 60.4MB in the beginning and 58.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:08:10,748 INFO L158 Benchmark]: Boogie Preprocessor took 32.61ms. Allocated memory is still 79.7MB. Free memory was 58.7MB in the beginning and 56.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:08:10,749 INFO L158 Benchmark]: RCFGBuilder took 625.28ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 42.2MB in the end (delta: 14.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-12-15 02:08:10,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.02ms. Allocated memory is still 79.7MB. Free memory was 50.4MB in the beginning and 60.4MB in the end (delta: -10.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.31ms. Allocated memory is still 79.7MB. Free memory was 60.4MB in the beginning and 58.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.61ms. Allocated memory is still 79.7MB. Free memory was 58.7MB in the beginning and 56.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.28ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 42.2MB in the end (delta: 14.6MB). Peak memory consumption was 26.6MB. 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. [2022-12-15 02:08:10,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c9265f-39b3-4fa0-88cf-1d617fc48ef4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?