./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:02:56,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:02:56,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:02:56,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:02:56,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:02:56,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:02:56,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:02:56,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:02:56,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:02:56,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:02:56,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:02:56,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:02:56,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:02:56,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:02:56,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:02:56,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:02:56,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:02:56,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:02:56,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:02:56,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:02:56,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:02:56,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:02:56,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:02:56,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:02:56,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:02:56,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:02:56,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:02:56,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:02:56,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:02:56,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:02:56,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:02:56,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:02:56,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:02:56,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:02:56,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:02:56,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:02:56,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:02:56,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:02:56,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:02:56,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:02:56,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:02:56,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:02:56,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:02:56,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:02:56,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:02:56,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:02:56,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:02:56,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:02:56,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:02:56,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:02:56,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:02:56,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:02:56,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:02:56,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:02:56,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:02:56,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:02:56,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:02:56,565 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:02:56,565 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:02:56,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:02:56,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:02:56,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:02:56,566 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:02:56,566 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:02:56,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:02:56,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:56,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:02:56,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:02:56,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:02:56,568 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:02:56,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:02:56,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:02:56,569 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 [2022-11-20 18:02:56,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:02:56,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:02:56,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:02:56,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:02:56,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:02:56,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-20 18:02:59,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:03:00,291 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:03:00,292 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-20 18:03:00,299 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data/6e97d4163/6ceb90f770ce41da9db2136f312f1f64/FLAGc9ba4a8ce [2022-11-20 18:03:00,313 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data/6e97d4163/6ceb90f770ce41da9db2136f312f1f64 [2022-11-20 18:03:00,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:03:00,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:03:00,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:03:00,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:03:00,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:03:00,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ba3dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00, skipping insertion in model container [2022-11-20 18:03:00,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:03:00,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:03:00,565 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-20 18:03:00,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:03:00,583 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:03:00,615 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-20 18:03:00,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:03:00,637 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:03:00,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00 WrapperNode [2022-11-20 18:03:00,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:03:00,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:03:00,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:03:00,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:03:00,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,702 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2022-11-20 18:03:00,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:03:00,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:03:00,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:03:00,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:03:00,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:03:00,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:03:00,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:03:00,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:03:00,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:00" (1/1) ... [2022-11-20 18:03:00,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:03:00,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:03:00,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:03:00,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:03:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:03:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:03:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:03:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 18:03:00,879 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 18:03:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:03:00,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:03:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:03:00,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:03:00,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:03:00,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:03:00,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:03:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 18:03:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 18:03:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:03:00,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:03:00,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:03:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 18:03:00,883 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 18:03:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:03:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:03:00,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:03:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:03:00,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:03:00,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:03:00,886 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:03:01,054 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:03:01,056 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:03:01,505 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:03:01,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:03:01,784 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 18:03:01,784 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-11-20 18:03:01,785 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:03:01,793 INFO L158 Benchmark]: Toolchain (without parser) took 1475.85ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 117.4MB in the end (delta: -1.1MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2022-11-20 18:03:01,794 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:03:01,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.79ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 102.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:03:01,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.96ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 100.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:03:01,796 INFO L158 Benchmark]: Boogie Preprocessor took 75.08ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:03:01,796 INFO L158 Benchmark]: RCFGBuilder took 1008.80ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 117.4MB in the end (delta: -18.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-20 18:03:01,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.79ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 102.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.96ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 100.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.08ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1008.80ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 117.4MB in the end (delta: -18.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:03:01,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:03:04,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:03:04,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:03:04,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:03:04,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:03:04,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:03:04,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:03:04,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:03:04,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:03:04,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:03:04,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:03:04,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:03:04,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:03:04,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:03:04,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:03:04,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:03:04,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:03:04,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:03:04,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:03:04,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:03:04,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:03:04,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:03:04,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:03:04,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:03:04,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:03:04,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:03:04,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:03:04,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:03:04,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:03:04,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:03:04,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:03:04,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:03:04,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:03:04,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:03:04,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:03:04,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:03:04,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:03:04,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:03:04,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:03:04,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:03:04,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:03:04,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 18:03:04,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:03:04,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:03:04,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:03:04,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:03:04,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:03:04,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:03:04,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:03:04,519 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:03:04,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:03:04,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:03:04,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:03:04,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:03:04,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:03:04,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:03:04,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:03:04,522 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:03:04,522 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:03:04,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:03:04,523 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:03:04,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:03:04,523 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:03:04,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:03:04,523 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:03:04,524 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:03:04,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:03:04,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:03:04,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:03:04,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:03:04,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:03:04,525 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:03:04,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:03:04,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:03:04,526 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:03:04,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:03:04,526 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 [2022-11-20 18:03:04,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:03:04,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:03:04,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:03:04,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:03:04,979 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:03:04,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-20 18:03:08,225 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:03:08,483 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:03:08,484 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-20 18:03:08,497 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data/e4c5309d8/726f8dfe4ec44ffda1c0813e0465f7bb/FLAG30c3bc8c2 [2022-11-20 18:03:08,514 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/data/e4c5309d8/726f8dfe4ec44ffda1c0813e0465f7bb [2022-11-20 18:03:08,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:03:08,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:03:08,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:03:08,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:03:08,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:03:08,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:08" (1/1) ... [2022-11-20 18:03:08,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46eb7c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:08, skipping insertion in model container [2022-11-20 18:03:08,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:08" (1/1) ... [2022-11-20 18:03:08,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:03:08,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:03:08,808 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-20 18:03:08,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:03:08,843 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 18:03:08,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:03:08,915 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-20 18:03:08,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:03:08,930 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:03:08,984 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_639accbd-361b-40f5-8f0b-8fb39f738fa9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-20 18:03:09,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:03:09,022 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:03:09,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09 WrapperNode [2022-11-20 18:03:09,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:03:09,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:03:09,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:03:09,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:03:09,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,091 INFO L138 Inliner]: procedures = 28, calls = 79, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-20 18:03:09,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:03:09,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:03:09,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:03:09,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:03:09,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:03:09,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:03:09,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:03:09,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:03:09,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:09" (1/1) ... [2022-11-20 18:03:09,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:03:09,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:03:09,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:03:09,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:03:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:03:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 18:03:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:03:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 18:03:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 18:03:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 18:03:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 18:03:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 18:03:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 18:03:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 18:03:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 18:03:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 18:03:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 18:03:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 18:03:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:03:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:03:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 18:03:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 18:03:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 18:03:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 18:03:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:03:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:03:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:03:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:03:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 18:03:09,258 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 18:03:09,376 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:03:09,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:03:10,019 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:03:10,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:03:10,270 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 18:03:10,270 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-11-20 18:03:10,271 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:03:10,276 INFO L158 Benchmark]: Toolchain (without parser) took 1756.70ms. Allocated memory is still 81.8MB. Free memory was 62.6MB in the beginning and 33.5MB in the end (delta: 29.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-20 18:03:10,276 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:03:10,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.41ms. Allocated memory is still 81.8MB. Free memory was 62.4MB in the beginning and 46.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:03:10,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.82ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 44.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:03:10,278 INFO L158 Benchmark]: Boogie Preprocessor took 78.76ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 62.1MB in the end (delta: -17.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-11-20 18:03:10,279 INFO L158 Benchmark]: RCFGBuilder took 1101.48ms. Allocated memory is still 81.8MB. Free memory was 62.1MB in the beginning and 33.5MB in the end (delta: 28.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-11-20 18:03:10,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.41ms. Allocated memory is still 81.8MB. Free memory was 62.4MB in the beginning and 46.5MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.82ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 44.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.76ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 62.1MB in the end (delta: -17.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1101.48ms. Allocated memory is still 81.8MB. Free memory was 62.1MB in the beginning and 33.5MB in the end (delta: 28.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:03:10,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639accbd-361b-40f5-8f0b-8fb39f738fa9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?