./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/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_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 23:30:27,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:30:27,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:30:27,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:30:27,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:30:27,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:30:27,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:30:27,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:30:27,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:30:27,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:30:27,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:30:27,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:30:27,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:30:27,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:30:27,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:30:27,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:30:27,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:30:27,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:30:27,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:30:27,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:30:27,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:30:27,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:30:27,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:30:27,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:30:27,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:30:27,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:30:27,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:30:27,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:30:27,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:30:27,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:30:27,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:30:27,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:30:27,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:30:27,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:30:27,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:30:27,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:30:27,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:30:27,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:30:27,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:30:27,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:30:27,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:30:27,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:30:27,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:30:27,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:30:27,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:30:27,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:30:27,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:30:27,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:30:27,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:30:27,346 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:30:27,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:30:27,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:30:27,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:30:27,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:30:27,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:30:27,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:30:27,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:30:27,349 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:30:27,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:30:27,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:30:27,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:30:27,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:30:27,350 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:30:27,350 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:30:27,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:30:27,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:27,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:30:27,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:30:27,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:30:27,352 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:30:27,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:30:27,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:30:27,353 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_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 [2022-11-21 23:30:27,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:30:27,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:30:27,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:30:27,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:30:27,705 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:30:27,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-21 23:30:30,757 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:30:31,028 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:30:31,029 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-21 23:30:31,036 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data/016db4f66/bf6fb26c7b4e4e91a27d69b4111c7fdd/FLAGa79d0cce4 [2022-11-21 23:30:31,055 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data/016db4f66/bf6fb26c7b4e4e91a27d69b4111c7fdd [2022-11-21 23:30:31,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:30:31,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:30:31,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:31,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:30:31,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:30:31,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b447ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31, skipping insertion in model container [2022-11-21 23:30:31,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:30:31,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:30:31,410 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_1fa5d38d-ff72-46e1-8337-d5404123de5f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-21 23:30:31,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:31,444 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:30:31,502 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_1fa5d38d-ff72-46e1-8337-d5404123de5f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-21 23:30:31,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:31,536 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:30:31,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31 WrapperNode [2022-11-21 23:30:31,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:31,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:31,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:30:31,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:30:31,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,606 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2022-11-21 23:30:31,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:31,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:30:31,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:30:31,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:30:31,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:30:31,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:30:31,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:30:31,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:30:31,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:31" (1/1) ... [2022-11-21 23:30:31,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:31,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:30:31,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:30:31,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:30:31,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:30:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:30:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:30:31,745 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:30:31,745 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:30:31,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:30:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:30:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:30:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:30:31,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:30:31,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:30:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:30:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:30:31,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:30:31,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:30:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:30:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:30:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:30:31,749 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:30:31,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:30:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:30:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:30:31,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:30:31,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:30:31,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:30:31,752 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:30:31,959 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:30:31,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:30:32,492 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:30:32,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:30:32,673 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:30:32,674 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-11-21 23:30:32,675 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:30:32,679 INFO L158 Benchmark]: Toolchain (without parser) took 1615.18ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 84.8MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-21 23:30:32,679 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:30:32,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.55ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 131.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:30:32,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.06ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:30:32,681 INFO L158 Benchmark]: Boogie Preprocessor took 44.26ms. Allocated memory is still 176.2MB. Free memory was 129.8MB in the beginning and 128.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:30:32,682 INFO L158 Benchmark]: RCFGBuilder took 1024.71ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 84.8MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-21 23:30:32,685 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 134.2MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.55ms. Allocated memory is still 176.2MB. Free memory was 144.6MB in the beginning and 131.8MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.06ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.26ms. Allocated memory is still 176.2MB. Free memory was 129.8MB in the beginning and 128.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1024.71ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 84.8MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:30:32,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/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_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-b5237d8 [2022-11-21 23:30:35,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:30:35,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:30:35,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:30:35,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:30:35,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:30:35,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:30:35,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:30:35,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:30:35,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:30:35,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:30:35,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:30:35,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:30:35,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:30:35,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:30:35,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:30:35,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:30:35,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:30:35,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:30:35,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:30:35,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:30:35,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:30:35,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:30:35,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:30:35,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:30:35,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:30:35,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:30:35,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:30:35,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:30:35,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:30:35,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:30:35,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:30:35,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:30:35,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:30:35,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:30:35,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:30:35,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:30:35,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:30:35,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:30:35,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:30:35,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:30:35,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:30:35,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:30:35,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:30:35,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:30:35,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:30:35,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:30:35,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:30:35,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:30:35,375 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:30:35,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:30:35,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:30:35,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:30:35,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:30:35,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:30:35,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:30:35,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:30:35,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:30:35,377 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:30:35,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:30:35,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:30:35,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:30:35,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:30:35,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:30:35,378 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:30:35,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:30:35,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:30:35,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:35,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:30:35,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:30:35,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:30:35,379 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:30:35,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:30:35,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:30:35,380 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:30:35,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:30:35,380 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_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 [2022-11-21 23:30:35,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:30:35,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:30:35,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:30:35,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:30:35,828 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:30:35,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-21 23:30:39,042 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:30:39,309 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:30:39,310 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-11-21 23:30:39,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data/ae9e9cf88/b7a5aa6a22eb4536ac28d64173e2fc01/FLAG51b095738 [2022-11-21 23:30:39,335 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/data/ae9e9cf88/b7a5aa6a22eb4536ac28d64173e2fc01 [2022-11-21 23:30:39,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:30:39,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:30:39,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:39,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:30:39,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:30:39,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64bfdaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39, skipping insertion in model container [2022-11-21 23:30:39,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:30:39,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:30:39,584 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_1fa5d38d-ff72-46e1-8337-d5404123de5f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-21 23:30:39,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:39,607 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 23:30:39,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:30:39,635 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_1fa5d38d-ff72-46e1-8337-d5404123de5f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-21 23:30:39,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:39,649 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:30:39,679 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_1fa5d38d-ff72-46e1-8337-d5404123de5f/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2022-11-21 23:30:39,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:30:39,700 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:30:39,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39 WrapperNode [2022-11-21 23:30:39,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:30:39,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:39,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:30:39,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:30:39,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,766 INFO L138 Inliner]: procedures = 28, calls = 79, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-21 23:30:39,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:30:39,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:30:39,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:30:39,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:30:39,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:30:39,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:30:39,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:30:39,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:30:39,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:39" (1/1) ... [2022-11-21 23:30:39,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:30:39,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:30:39,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:30:39,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:30:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:30:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:30:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:30:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:30:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:30:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:30:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:30:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:30:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:30:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:30:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:30:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:30:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:30:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:30:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:30:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:30:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:30:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:30:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:30:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:30:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:30:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:30:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:30:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:30:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:30:39,992 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:30:40,204 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:30:40,206 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:30:40,740 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:30:41,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:30:41,008 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:30:41,009 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-11-21 23:30:41,010 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:30:41,017 INFO L158 Benchmark]: Toolchain (without parser) took 1676.54ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 35.8MB in the end (delta: 23.8MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-21 23:30:41,018 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:30:41,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.61ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 43.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:30:41,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.60ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 61.1MB in the end (delta: -17.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-21 23:30:41,020 INFO L158 Benchmark]: Boogie Preprocessor took 115.51ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:30:41,021 INFO L158 Benchmark]: RCFGBuilder took 1132.06ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 35.8MB in the end (delta: 23.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-21 23:30:41,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.1MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.61ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 43.3MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.60ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 61.1MB in the end (delta: -17.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.51ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 59.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1132.06ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 35.8MB in the end (delta: 23.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:30:41,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa5d38d-ff72-46e1-8337-d5404123de5f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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?