./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.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_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/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_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/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_e97410ad-9107-4189-a995-f8119eb4560d/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 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --- 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 17:51:20,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:51:20,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:51:20,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:51:20,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:51:20,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:51:20,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:51:20,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:51:20,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:51:20,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:51:20,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:51:20,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:51:20,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:51:20,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:51:20,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:51:20,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:51:20,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:51:20,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:51:20,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:51:20,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:51:20,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:51:20,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:51:20,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:51:20,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:51:20,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:51:20,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:51:20,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:51:20,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:51:20,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:51:20,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:51:20,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:51:20,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:51:20,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:51:20,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:51:20,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:51:20,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:51:20,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:51:20,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:51:20,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:51:20,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:51:20,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:51:20,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:51:20,193 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:51:20,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:51:20,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:51:20,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:51:20,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:51:20,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:51:20,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:51:20,199 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:51:20,199 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:51:20,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:51:20,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:51:20,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:51:20,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:51:20,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:51:20,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:51:20,202 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:51:20,202 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:51:20,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:51:20,203 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:51:20,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:51:20,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:51:20,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:51:20,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:51:20,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:51:20,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:51:20,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:51:20,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:51:20,206 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:51:20,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:51:20,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:51:20,207 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_e97410ad-9107-4189-a995-f8119eb4560d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2022-11-20 17:51:20,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:51:20,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:51:20,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:51:20,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:51:20,577 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:51:20,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-20 17:51:23,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:51:23,999 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:51:24,000 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-20 17:51:24,008 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data/cbe488639/6bb1bc996aab447ebdefa6c3207bca17/FLAG0e213f3a9 [2022-11-20 17:51:24,031 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data/cbe488639/6bb1bc996aab447ebdefa6c3207bca17 [2022-11-20 17:51:24,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:51:24,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:51:24,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:51:24,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:51:24,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:51:24,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dd83e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24, skipping insertion in model container [2022-11-20 17:51:24,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:51:24,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:51:24,283 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_e97410ad-9107-4189-a995-f8119eb4560d/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-20 17:51:24,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:51:24,302 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:51:24,346 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_e97410ad-9107-4189-a995-f8119eb4560d/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-20 17:51:24,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:51:24,381 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:51:24,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24 WrapperNode [2022-11-20 17:51:24,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:51:24,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:51:24,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:51:24,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:51:24,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,422 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-20 17:51:24,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:51:24,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:51:24,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:51:24,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:51:24,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:51:24,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:51:24,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:51:24,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:51:24,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:24" (1/1) ... [2022-11-20 17:51:24,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:51:24,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:51:24,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:51:24,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:51:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 17:51:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 17:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:51:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:51:24,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:51:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 17:51:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 17:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 17:51:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 17:51:24,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:51:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 17:51:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 17:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:51:24,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:51:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:51:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:51:24,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:51:24,571 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 17:51:24,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:51:24,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:51:25,323 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:51:25,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:51:25,605 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 17:51:25,606 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 17:51:25,607 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 17:51:25,617 INFO L158 Benchmark]: Toolchain (without parser) took 1575.48ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 110.5MB in the beginning and 142.8MB in the end (delta: -32.3MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-11-20 17:51:25,617 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:51:25,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.36ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 97.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:51:25,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.26ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:51:25,620 INFO L158 Benchmark]: Boogie Preprocessor took 38.76ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:51:25,620 INFO L158 Benchmark]: RCFGBuilder took 1151.62ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 93.3MB in the beginning and 142.8MB in the end (delta: -49.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-11-20 17:51:25,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.36ms. Allocated memory is still 146.8MB. Free memory was 110.1MB in the beginning and 97.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.26ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.76ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.62ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 93.3MB in the beginning and 142.8MB in the end (delta: -49.5MB). Peak memory consumption was 29.0MB. 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. [2022-11-20 17:51:25,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/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_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/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_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/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_e97410ad-9107-4189-a995-f8119eb4560d/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 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --- 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 17:51:28,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:51:28,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:51:28,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:51:28,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:51:28,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:51:28,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:51:28,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:51:28,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:51:28,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:51:28,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:51:28,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:51:28,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:51:28,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:51:28,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:51:28,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:51:28,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:51:28,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:51:28,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:51:28,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:51:28,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:51:28,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:51:28,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:51:28,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:51:28,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:51:28,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:51:28,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:51:28,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:51:28,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:51:28,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:51:28,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:51:28,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:51:28,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:51:28,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:51:28,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:51:28,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:51:28,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:51:28,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:51:28,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:51:28,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:51:28,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:51:28,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:51:28,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:51:28,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:51:28,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:51:28,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:51:28,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:51:28,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:51:28,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:51:28,414 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:51:28,415 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:51:28,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:51:28,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:51:28,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:51:28,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:51:28,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:51:28,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:51:28,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:51:28,417 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:51:28,418 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:51:28,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:51:28,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:51:28,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:51:28,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:51:28,419 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:51:28,419 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:51:28,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:51:28,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:51:28,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:51:28,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:51:28,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:51:28,421 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:51:28,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:51:28,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:51:28,422 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:51:28,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:51:28,422 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_e97410ad-9107-4189-a995-f8119eb4560d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2022-11-20 17:51:28,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:51:28,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:51:28,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:51:28,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:51:28,895 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:51:28,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-20 17:51:32,117 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:51:32,333 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:51:32,333 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-20 17:51:32,346 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data/bc86ba4db/717232a231a1465bbbbc57712b48c8e7/FLAG48b98a693 [2022-11-20 17:51:32,365 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/data/bc86ba4db/717232a231a1465bbbbc57712b48c8e7 [2022-11-20 17:51:32,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:51:32,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:51:32,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:51:32,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:51:32,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:51:32,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502d9504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32, skipping insertion in model container [2022-11-20 17:51:32,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:51:32,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:51:32,705 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_e97410ad-9107-4189-a995-f8119eb4560d/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-20 17:51:32,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:51:32,748 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 17:51:32,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:51:32,803 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_e97410ad-9107-4189-a995-f8119eb4560d/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-20 17:51:32,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:51:32,820 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:51:32,846 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_e97410ad-9107-4189-a995-f8119eb4560d/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-20 17:51:32,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:51:32,865 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:51:32,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32 WrapperNode [2022-11-20 17:51:32,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:51:32,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:51:32,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:51:32,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:51:32,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,935 INFO L138 Inliner]: procedures = 29, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2022-11-20 17:51:32,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:51:32,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:51:32,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:51:32,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:51:32,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:32,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:33,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:33,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:33,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:33,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:51:33,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:51:33,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:51:33,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:51:33,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:32" (1/1) ... [2022-11-20 17:51:33,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:51:33,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:51:33,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:51:33,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:51:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:51:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:51:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:51:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 17:51:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 17:51:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:51:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 17:51:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 17:51:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 17:51:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 17:51:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 17:51:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 17:51:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 17:51:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 17:51:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:51:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:51:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 17:51:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 17:51:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:51:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:51:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:51:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:51:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:51:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:51:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:51:33,115 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 17:51:33,328 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:51:33,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:51:33,958 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:51:34,275 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:51:34,276 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 17:51:34,277 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 17:51:34,278 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 17:51:34,285 INFO L158 Benchmark]: Toolchain (without parser) took 1914.81ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 36.6MB in the beginning and 55.5MB in the end (delta: -18.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-11-20 17:51:34,285 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:51:34,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.98ms. Allocated memory is still 67.1MB. Free memory was 36.4MB in the beginning and 40.1MB in the end (delta: -3.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-20 17:51:34,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.29ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:51:34,288 INFO L158 Benchmark]: Boogie Preprocessor took 86.85ms. Allocated memory is still 67.1MB. Free memory was 38.1MB in the beginning and 36.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:51:34,289 INFO L158 Benchmark]: RCFGBuilder took 1258.13ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 35.7MB in the beginning and 55.5MB in the end (delta: -19.8MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-11-20 17:51:34,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.98ms. Allocated memory is still 67.1MB. Free memory was 36.4MB in the beginning and 40.1MB in the end (delta: -3.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.29ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 38.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.85ms. Allocated memory is still 67.1MB. Free memory was 38.1MB in the beginning and 36.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1258.13ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 35.7MB in the beginning and 55.5MB in the end (delta: -19.8MB). Peak memory consumption was 23.0MB. 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. [2022-11-20 17:51:34,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97410ad-9107-4189-a995-f8119eb4560d/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?