./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --- 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 16:29:33,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:33,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:33,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:33,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:33,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:33,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:33,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:33,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:33,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:33,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:33,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:33,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:33,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:33,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:33,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:33,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:33,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:33,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:33,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:33,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:33,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:33,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:33,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:33,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:33,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:33,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:33,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:33,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:33,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:33,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:33,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:33,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:33,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:33,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:33,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:33,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:33,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:33,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:33,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:33,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:33,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:33,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:33,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:33,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:33,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:33,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:33,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:33,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:33,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:33,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:33,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:33,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:33,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:33,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:33,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:33,322 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:33,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:33,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:33,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:33,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:33,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:33,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:33,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:33,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:33,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:33,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:33,325 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:33,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:33,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:33,325 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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a [2022-10-17 16:29:33,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:33,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:33,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:33,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:33,670 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:33,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-10-17 16:29:33,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/959289fd1/af5447159b004de0b8ed8b111adc1513/FLAG4bf637c65 [2022-10-17 16:29:34,339 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:34,340 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-10-17 16:29:34,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/959289fd1/af5447159b004de0b8ed8b111adc1513/FLAG4bf637c65 [2022-10-17 16:29:34,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/959289fd1/af5447159b004de0b8ed8b111adc1513 [2022-10-17 16:29:34,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:34,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:34,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:34,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:34,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:34,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:34" (1/1) ... [2022-10-17 16:29:34,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1695dfe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:34, skipping insertion in model container [2022-10-17 16:29:34,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:34" (1/1) ... [2022-10-17 16:29:34,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:34,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:35,016 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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-10-17 16:29:35,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:35,056 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:35,101 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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-10-17 16:29:35,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:35,132 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:35,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35 WrapperNode [2022-10-17 16:29:35,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:35,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:35,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:35,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:35,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,197 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2022-10-17 16:29:35,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:35,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:35,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:35,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:35,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,266 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:35,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:35,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:35,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:35,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:35" (1/1) ... [2022-10-17 16:29:35,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:35,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:35,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:35,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:29:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:29:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:29:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:29:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:29:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:29:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:29:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:29:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:29:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:29:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:29:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:29:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:29:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:29:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:35,371 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 16:29:35,501 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:35,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:35,879 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:36,020 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:36,020 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:29:36,021 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-10-17 16:29:36,022 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 16:29:36,033 INFO L158 Benchmark]: Toolchain (without parser) took 1358.54ms. Allocated memory is still 136.3MB. Free memory was 97.6MB in the beginning and 82.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:36,034 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:36,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.54ms. Allocated memory is still 136.3MB. Free memory was 97.3MB in the beginning and 107.9MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:29:36,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.92ms. Allocated memory is still 136.3MB. Free memory was 107.9MB in the beginning and 106.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:36,037 INFO L158 Benchmark]: Boogie Preprocessor took 70.94ms. Allocated memory is still 136.3MB. Free memory was 106.2MB in the beginning and 104.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:36,038 INFO L158 Benchmark]: RCFGBuilder took 753.84ms. Allocated memory is still 136.3MB. Free memory was 104.4MB in the beginning and 82.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:36,043 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 136.3MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.54ms. Allocated memory is still 136.3MB. Free memory was 97.3MB in the beginning and 107.9MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.92ms. Allocated memory is still 136.3MB. Free memory was 107.9MB in the beginning and 106.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.94ms. Allocated memory is still 136.3MB. Free memory was 106.2MB in the beginning and 104.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 753.84ms. Allocated memory is still 136.3MB. Free memory was 104.4MB in the beginning and 82.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. 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 16:29:36,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --- 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 16:29:38,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:38,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:38,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:38,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:38,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:38,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:38,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:38,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:38,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:38,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:38,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:38,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:38,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:38,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:38,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:38,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:38,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:38,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:38,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:38,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:38,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:38,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:38,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:38,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:38,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:38,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:38,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:38,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:38,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:38,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:38,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:38,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:38,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:38,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:38,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:38,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:38,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:38,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:38,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:38,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:38,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:29:38,697 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:38,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:38,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:38,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:38,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:38,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:38,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:38,703 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:38,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:38,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:38,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:38,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:38,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:38,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:29:38,705 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:29:38,706 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:29:38,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:38,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:38,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:38,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:38,707 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:38,707 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:38,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:38,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:38,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:38,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:38,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:38,708 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:29:38,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:29:38,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:38,709 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:29:38,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:29:38,710 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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a [2022-10-17 16:29:39,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:39,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:39,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:39,093 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:39,094 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:39,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-10-17 16:29:39,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/142c8eb2e/1d5c188198884e2c88ca96a29081e202/FLAGfec795440 [2022-10-17 16:29:39,773 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:39,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-10-17 16:29:39,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/142c8eb2e/1d5c188198884e2c88ca96a29081e202/FLAGfec795440 [2022-10-17 16:29:40,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/data/142c8eb2e/1d5c188198884e2c88ca96a29081e202 [2022-10-17 16:29:40,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:40,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:40,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:40,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:40,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:40,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad62374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40, skipping insertion in model container [2022-10-17 16:29:40,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:40,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:40,374 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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-10-17 16:29:40,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:40,411 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:29:40,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:40,447 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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-10-17 16:29:40,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:40,467 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:40,517 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_350fe319-1d32-47b2-9ddb-60ddcc46be9b/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-10-17 16:29:40,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:40,538 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:40,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40 WrapperNode [2022-10-17 16:29:40,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:40,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:40,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:40,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:40,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,580 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2022-10-17 16:29:40,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:40,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:40,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:40,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:40,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,615 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:40,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:40,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:40,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:40,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:40" (1/1) ... [2022-10-17 16:29:40,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:40,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:40,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:40,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:29:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:29:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:29:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:29:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:29:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:29:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:29:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:29:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:29:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:29:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:29:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:29:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:29:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:29:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:29:40,716 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 16:29:40,832 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:40,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:41,419 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:41,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:41,589 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:29:41,590 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-10-17 16:29:41,591 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 16:29:41,598 INFO L158 Benchmark]: Toolchain (without parser) took 1482.77ms. Allocated memory is still 73.4MB. Free memory was 50.3MB in the beginning and 43.6MB in the end (delta: 6.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-10-17 16:29:41,599 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:41,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.17ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 53.0MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:29:41,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.09ms. Allocated memory is still 73.4MB. Free memory was 53.0MB in the beginning and 51.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:41,603 INFO L158 Benchmark]: Boogie Preprocessor took 39.37ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 49.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:41,604 INFO L158 Benchmark]: RCFGBuilder took 973.18ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 43.6MB in the end (delta: 6.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:41,609 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 52.4MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.17ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 53.0MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.09ms. Allocated memory is still 73.4MB. Free memory was 53.0MB in the beginning and 51.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.37ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 49.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 973.18ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 43.6MB in the end (delta: 6.0MB). Peak memory consumption was 25.1MB. 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 16:29:41,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_350fe319-1d32-47b2-9ddb-60ddcc46be9b/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?