./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/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_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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-dbf71c6-m [2022-10-17 16:56:17,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:17,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:17,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:17,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:17,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:17,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:17,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:17,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:17,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:17,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:17,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:17,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:17,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:17,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:17,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:17,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:17,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:17,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:17,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:17,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:17,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:17,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:17,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:17,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:17,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:17,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:17,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:17,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:17,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:17,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:17,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:17,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:17,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:17,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:17,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:17,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:17,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:17,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:17,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:17,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:17,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:56:17,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:17,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:17,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:17,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:17,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:17,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:17,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:17,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:17,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:17,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:17,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:17,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:17,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:17,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:17,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:17,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:17,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:17,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:17,307 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:17,307 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:17,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:17,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:17,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:17,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:17,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:17,309 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:17,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:17,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:17,309 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_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2022-10-17 16:56:17,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:17,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:17,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:17,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:17,678 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:17,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-10-17 16:56:17,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/76d92fa82/172aee7d798f43a89c3c8be86787ab65/FLAG1b08d577b [2022-10-17 16:56:18,398 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:18,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-10-17 16:56:18,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/76d92fa82/172aee7d798f43a89c3c8be86787ab65/FLAG1b08d577b [2022-10-17 16:56:18,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/76d92fa82/172aee7d798f43a89c3c8be86787ab65 [2022-10-17 16:56:18,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:18,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:18,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:18,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:18,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:18,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:18" (1/1) ... [2022-10-17 16:56:18,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b939839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:18, skipping insertion in model container [2022-10-17 16:56:18,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:18" (1/1) ... [2022-10-17 16:56:18,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:18,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:19,060 WARN L230 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_97cf1907-71a3-4ce7-ae56-251d964577f1/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-10-17 16:56:19,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:19,078 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:19,108 WARN L230 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_97cf1907-71a3-4ce7-ae56-251d964577f1/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-10-17 16:56:19,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:19,128 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:19,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19 WrapperNode [2022-10-17 16:56:19,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:19,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:19,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:19,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:19,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,185 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-10-17 16:56:19,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:19,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:19,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:19,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:19,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:19,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:19,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:19,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:19,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:19" (1/1) ... [2022-10-17 16:56:19,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:19,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:19,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:19,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:56:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:56:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:56:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:56:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:56:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:56:19,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:56:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:56:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:56:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:56:19,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:56:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 16:56:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 16:56:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:56:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:56:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-10-17 16:56:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-10-17 16:56:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:56:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:56:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:56:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:56:19,331 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:56:19,445 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:19,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:20,060 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:20,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:20,171 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:56:20,172 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:56:20,177 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) [2022-10-17 16:56:20,183 INFO L158 Benchmark]: Toolchain (without parser) took 1456.64ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 59.4MB in the beginning and 66.6MB in the end (delta: -7.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-10-17 16:56:20,183 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:20,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.15ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 55.4MB in the end (delta: 3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:56:20,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.51ms. Allocated memory is still 81.8MB. Free memory was 55.4MB in the beginning and 53.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:20,186 INFO L158 Benchmark]: Boogie Preprocessor took 45.79ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 51.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:20,188 INFO L158 Benchmark]: RCFGBuilder took 947.93ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 51.6MB in the beginning and 66.6MB in the end (delta: -15.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-10-17 16:56:20,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.15ms. Allocated memory is still 81.8MB. Free memory was 59.0MB in the beginning and 55.4MB in the end (delta: 3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.51ms. Allocated memory is still 81.8MB. Free memory was 55.4MB in the beginning and 53.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.79ms. Allocated memory is still 81.8MB. Free memory was 53.5MB in the beginning and 51.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 947.93ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 51.6MB in the beginning and 66.6MB in the end (delta: -15.1MB). Peak memory consumption was 15.0MB. 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. [2022-10-17 16:56:20,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/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_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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-dbf71c6-m [2022-10-17 16:56:22,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:22,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:22,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:22,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:22,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:22,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:22,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:22,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:22,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:22,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:22,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:22,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:22,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:22,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:22,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:22,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:22,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:22,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:22,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:22,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:22,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:22,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:22,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:22,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:22,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:22,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:22,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:22,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:22,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:22,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:22,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:22,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:22,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:22,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:22,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:22,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:23,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:23,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:23,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:23,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:23,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:56:23,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:23,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:23,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:56:23,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:56:23,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:23,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:23,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:23,054 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:23,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:23,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:23,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:56:23,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:23,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:56:23,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:56:23,057 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:56:23,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:56:23,057 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:23,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:56:23,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:23,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:56:23,058 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:23,058 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:23,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:23,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:23,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:23,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:23,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:56:23,060 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:56:23,060 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:56:23,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:56:23,061 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:56:23,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:56:23,061 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_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2022-10-17 16:56:23,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:23,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:23,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:23,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:23,481 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:23,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-10-17 16:56:23,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/c97156280/91fa0fddada44b5d82ef02c274485dca/FLAG1de16dacd [2022-10-17 16:56:24,052 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:24,053 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-10-17 16:56:24,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/c97156280/91fa0fddada44b5d82ef02c274485dca/FLAG1de16dacd [2022-10-17 16:56:24,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/data/c97156280/91fa0fddada44b5d82ef02c274485dca [2022-10-17 16:56:24,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:24,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:24,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:24,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:24,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:24,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:24" (1/1) ... [2022-10-17 16:56:24,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5847faf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:24, skipping insertion in model container [2022-10-17 16:56:24,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:24" (1/1) ... [2022-10-17 16:56:24,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:24,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:24,836 WARN L230 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_97cf1907-71a3-4ce7-ae56-251d964577f1/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-10-17 16:56:24,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:24,877 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:56:24,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:24,933 WARN L230 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_97cf1907-71a3-4ce7-ae56-251d964577f1/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-10-17 16:56:24,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:24,959 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:25,001 WARN L230 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_97cf1907-71a3-4ce7-ae56-251d964577f1/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-10-17 16:56:25,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:25,024 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:25,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25 WrapperNode [2022-10-17 16:56:25,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:25,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:25,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:25,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:25,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,075 INFO L138 Inliner]: procedures = 29, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2022-10-17 16:56:25,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:25,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:25,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:25,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:25,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:25,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:25,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:25,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:25,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:25" (1/1) ... [2022-10-17 16:56:25,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:25,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:25,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:25,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:56:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:56:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:56:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:56:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:56:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:56:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:56:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:56:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:56:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:56:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:56:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 16:56:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 16:56:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:56:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:56:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-10-17 16:56:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-10-17 16:56:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:56:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:56:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:56:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:56:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:56:25,252 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:56:25,381 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:25,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:25,960 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:26,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:26,155 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:56:26,156 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:56:26,157 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) [2022-10-17 16:56:26,165 INFO L158 Benchmark]: Toolchain (without parser) took 1751.27ms. Allocated memory is still 77.6MB. Free memory was 60.2MB in the beginning and 36.7MB in the end (delta: 23.6MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-10-17 16:56:26,166 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:56:26,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.62ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 53.8MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:56:26,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 52.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:26,169 INFO L158 Benchmark]: Boogie Preprocessor took 85.13ms. Allocated memory is still 77.6MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:56:26,171 INFO L158 Benchmark]: RCFGBuilder took 999.78ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 36.7MB in the end (delta: 13.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-10-17 16:56:26,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.62ms. Allocated memory is still 77.6MB. Free memory was 60.1MB in the beginning and 53.8MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 52.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.13ms. Allocated memory is still 77.6MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 999.78ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 36.7MB in the end (delta: 13.2MB). Peak memory consumption was 21.4MB. 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. [2022-10-17 16:56:26,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97cf1907-71a3-4ce7-ae56-251d964577f1/bin/ukojak-92XMlrwhuB/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?