./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ --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 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:25:52,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:25:52,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:25:52,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:25:52,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:25:52,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:25:52,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:25:52,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:25:52,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:25:52,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:25:52,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:25:52,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:25:52,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:25:52,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:25:52,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:25:52,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:25:52,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:25:52,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:25:52,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:25:52,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:25:52,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:25:52,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:25:52,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:25:52,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:25:52,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:25:52,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:25:52,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:25:52,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:25:52,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:25:52,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:25:52,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:25:52,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:25:52,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:25:52,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:25:52,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:25:52,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:25:52,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:25:52,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:25:52,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:25:52,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:25:52,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:25:52,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:25:52,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:25:52,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:25:52,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:25:52,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:25:52,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:25:52,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:25:52,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:25:52,357 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:25:52,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:25:52,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:25:52,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:25:52,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:25:52,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:25:52,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:25:52,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:25:52,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:25:52,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:25:52,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:25:52,359 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:25:52,359 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:25:52,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:25:52,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:52,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:25:52,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:25:52,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:25:52,376 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:25:52,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:25:52,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:25:52,376 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_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 [2021-11-23 00:25:52,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:25:52,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:25:52,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:25:52,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:25:52,667 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:25:52,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 00:25:52,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/7b6bc227b/c05039a7222a45fba3e00634668ff6ea/FLAGb02a95d78 [2021-11-23 00:25:53,218 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:25:53,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 00:25:53,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/7b6bc227b/c05039a7222a45fba3e00634668ff6ea/FLAGb02a95d78 [2021-11-23 00:25:53,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/7b6bc227b/c05039a7222a45fba3e00634668ff6ea [2021-11-23 00:25:53,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:25:53,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:25:53,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:53,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:25:53,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:25:53,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d69f463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53, skipping insertion in model container [2021-11-23 00:25:53,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:25:53,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:25:53,854 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_e0ccaa41-b384-4717-a2fd-293f67e04c87/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 00:25:53,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:53,869 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:25:53,895 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_e0ccaa41-b384-4717-a2fd-293f67e04c87/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 00:25:53,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:53,915 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:25:53,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53 WrapperNode [2021-11-23 00:25:53,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:53,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:53,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:25:53,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:25:53,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,958 INFO L137 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2021-11-23 00:25:53,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:53,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:25:53,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:25:53,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:25:53,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:53,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:54,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:25:54,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:25:54,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:25:54,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:25:54,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:53" (1/1) ... [2021-11-23 00:25:54,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:25:54,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:25:54,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:25:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:25:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:25:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:25:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:25:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:25:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:25:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:25:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:25:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 00:25:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 00:25:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 00:25:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 00:25:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:25:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:25:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:25:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:25:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:25:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:25:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:25:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:25:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:25:54,098 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:25:54,215 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:25:54,217 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:25:54,577 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:25:54,713 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:25:54,713 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:25:54,714 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2021-11-23 00:25:54,715 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:304) 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) [2021-11-23 00:25:54,719 INFO L158 Benchmark]: Toolchain (without parser) took 1097.29ms. Allocated memory is still 102.8MB. Free memory was 60.6MB in the beginning and 50.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 00:25:54,720 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:25:54,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.16ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 76.5MB in the end (delta: -16.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 00:25:54,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.78ms. Allocated memory is still 102.8MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:25:54,722 INFO L158 Benchmark]: Boogie Preprocessor took 43.14ms. Allocated memory is still 102.8MB. Free memory was 74.5MB in the beginning and 73.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:25:54,723 INFO L158 Benchmark]: RCFGBuilder took 707.89ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 50.5MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 00:25:54,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.16ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 76.5MB in the end (delta: -16.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.78ms. Allocated memory is still 102.8MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.14ms. Allocated memory is still 102.8MB. Free memory was 74.5MB in the beginning and 73.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 707.89ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 50.5MB in the end (delta: 22.7MB). 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:25:54,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/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_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ --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 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:25:57,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:25:57,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:25:57,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:25:57,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:25:57,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:25:57,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:25:57,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:25:57,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:25:57,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:25:57,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:25:57,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:25:57,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:25:57,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:25:57,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:25:57,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:25:57,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:25:57,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:25:57,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:25:57,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:25:57,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:25:57,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:25:57,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:25:57,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:25:57,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:25:57,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:25:57,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:25:57,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:25:57,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:25:57,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:25:57,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:25:57,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:25:57,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:25:57,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:25:57,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:25:57,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:25:57,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:25:57,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:25:57,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:25:57,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:25:57,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:25:57,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:25:57,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:25:57,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:25:57,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:25:57,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:25:57,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:25:57,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:25:57,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:25:57,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:25:57,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:25:57,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:25:57,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:25:57,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:25:57,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:25:57,480 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:25:57,480 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:25:57,480 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:25:57,480 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:25:57,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:25:57,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:25:57,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:25:57,481 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:25:57,481 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:25:57,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:25:57,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:57,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:25:57,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:25:57,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:25:57,483 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:25:57,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:25:57,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:25:57,483 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:25:57,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:25:57,484 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_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 [2021-11-23 00:25:57,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:25:57,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:25:57,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:25:57,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:25:57,941 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:25:57,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 00:25:58,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/bdda8ab1c/44f7790dbdc64891bd482a96cb930207/FLAG96018c778 [2021-11-23 00:25:58,637 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:25:58,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c [2021-11-23 00:25:58,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/bdda8ab1c/44f7790dbdc64891bd482a96cb930207/FLAG96018c778 [2021-11-23 00:25:58,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/data/bdda8ab1c/44f7790dbdc64891bd482a96cb930207 [2021-11-23 00:25:58,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:25:58,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:25:58,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:58,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:25:58,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:25:58,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:58" (1/1) ... [2021-11-23 00:25:58,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf756da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:58, skipping insertion in model container [2021-11-23 00:25:58,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:25:58" (1/1) ... [2021-11-23 00:25:59,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:25:59,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:25:59,276 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_e0ccaa41-b384-4717-a2fd-293f67e04c87/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 00:25:59,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:59,310 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:25:59,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:25:59,340 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_e0ccaa41-b384-4717-a2fd-293f67e04c87/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 00:25:59,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:59,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:25:59,428 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_e0ccaa41-b384-4717-a2fd-293f67e04c87/sv-benchmarks/c/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2021-11-23 00:25:59,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:25:59,457 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:25:59,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59 WrapperNode [2021-11-23 00:25:59,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:25:59,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:59,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:25:59,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:25:59,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,527 INFO L137 Inliner]: procedures = 28, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2021-11-23 00:25:59,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:25:59,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:25:59,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:25:59,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:25:59,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:25:59,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:25:59,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:25:59,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:25:59,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:25:59" (1/1) ... [2021-11-23 00:25:59,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:25:59,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:25:59,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:25:59,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:25:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:25:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:25:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:25:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:25:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:25:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:25:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:25:59,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:25:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 00:25:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 00:25:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 00:25:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 00:25:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:25:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:25:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:25:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:25:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:25:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:25:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:25:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:25:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:25:59,705 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:25:59,886 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:25:59,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:26:00,351 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:26:00,489 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:26:00,489 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:26:00,490 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2021-11-23 00:26:00,491 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:304) 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) [2021-11-23 00:26:00,495 INFO L158 Benchmark]: Toolchain (without parser) took 1513.34ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 32.6MB in the beginning and 43.5MB in the end (delta: -10.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-11-23 00:26:00,495 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:26:00,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.01ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 54.2MB in the end (delta: -21.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 00:26:00,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.16ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 52.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:26:00,498 INFO L158 Benchmark]: Boogie Preprocessor took 74.00ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 50.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:26:00,499 INFO L158 Benchmark]: RCFGBuilder took 888.95ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 43.5MB in the end (delta: 7.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-11-23 00:26:00,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.01ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 54.2MB in the end (delta: -21.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.16ms. Allocated memory is still 75.5MB. Free memory was 54.2MB in the beginning and 52.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.00ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 50.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 888.95ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 43.5MB in the end (delta: 7.0MB). Peak memory consumption was 19.0MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:26:00,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0ccaa41-b384-4717-a2fd-293f67e04c87/bin/ukojak-LBtLqBUTdQ/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?