./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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 c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:39:40,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:40,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:40,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:40,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:40,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:40,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:40,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:40,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:40,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:40,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:40,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:40,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:40,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:40,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:40,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:40,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:40,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:40,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:40,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:40,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:40,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:40,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:40,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:40,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:40,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:40,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:40,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:40,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:40,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:40,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:40,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:40,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:40,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:40,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:40,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:40,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:40,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:40,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:40,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:40,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:40,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:39:40,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:40,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:40,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:39:40,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:39:40,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:40,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:40,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:40,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:40,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:39:40,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:40,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:40,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:39:40,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:40,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:39:40,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:40,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:39:40,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:40,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:39:40,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:40,367 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:40,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:40,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:40,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:40,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:40,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:39:40,369 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:39:40,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:39:40,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:39:40,370 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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c [2021-11-23 00:39:40,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:40,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:40,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:40,736 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:40,737 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:40,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-11-23 00:39:40,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/651e72511/0f91ae701f2546f9ba37ac710375d0e5/FLAG7a24878fc [2021-11-23 00:39:41,411 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:41,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-11-23 00:39:41,424 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/651e72511/0f91ae701f2546f9ba37ac710375d0e5/FLAG7a24878fc [2021-11-23 00:39:41,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/651e72511/0f91ae701f2546f9ba37ac710375d0e5 [2021-11-23 00:39:41,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:41,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:41,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:41,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:41,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:41,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:41" (1/1) ... [2021-11-23 00:39:41,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591c77ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:41, skipping insertion in model container [2021-11-23 00:39:41,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:41" (1/1) ... [2021-11-23 00:39:41,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:41,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:41,981 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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-11-23 00:39:41,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:42,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:42,027 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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-11-23 00:39:42,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:42,050 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:42,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42 WrapperNode [2021-11-23 00:39:42,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:42,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:42,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:42,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:42,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,099 INFO L137 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-11-23 00:39:42,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:42,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:42,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:42,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:42,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:42,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:42,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:42,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:42,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:42" (1/1) ... [2021-11-23 00:39:42,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:42,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:42,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:42,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:39:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:39:42,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:39:42,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:39:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:39:42,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:39:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:39:42,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:39:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:39:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:39:42,256 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 00:39:42,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:42,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:42,635 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:42,741 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:42,741 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:39:42,742 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L78 is neither atomic block end nor a sink node. [2021-11-23 00:39:42,743 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 00:39:42,749 INFO L158 Benchmark]: Toolchain (without parser) took 1039.82ms. Allocated memory is still 94.4MB. Free memory was 71.7MB in the beginning and 47.9MB in the end (delta: 23.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:42,750 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:42,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.68ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:39:42,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.43ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 66.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:42,754 INFO L158 Benchmark]: Boogie Preprocessor took 35.53ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:42,755 INFO L158 Benchmark]: RCFGBuilder took 609.03ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 47.9MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:39:42,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 67.2MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.68ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.43ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 66.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.53ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 65.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 609.03ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 47.9MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. 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 00:39:42,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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 c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:39:45,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:45,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:45,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:45,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:45,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:45,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:45,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:45,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:45,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:45,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:45,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:45,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:45,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:45,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:45,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:45,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:45,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:45,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:45,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:45,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:45,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:45,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:45,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:45,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:45,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:45,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:45,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:45,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:45,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:45,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:45,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:45,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:45,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:45,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:45,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:45,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:45,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:45,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:45,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:45,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:45,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:39:45,978 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:45,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:45,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:39:45,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:39:45,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:45,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:45,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:45,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:45,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:45,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:45,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:39:45,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:45,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:39:45,987 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:39:45,987 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:39:45,987 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:39:45,988 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:45,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:39:45,988 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:45,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:39:45,989 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:45,989 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:45,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:45,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:45,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:45,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:45,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:39:45,991 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:39:45,991 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:39:45,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:39:45,992 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:39:45,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:39:45,992 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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c [2021-11-23 00:39:46,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:46,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:46,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:46,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:46,525 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:46,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-11-23 00:39:46,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/f10aec7b2/10dfc45b98b844259f2f8cecd3b49a51/FLAGcb79eaba9 [2021-11-23 00:39:47,326 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:47,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-11-23 00:39:47,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/f10aec7b2/10dfc45b98b844259f2f8cecd3b49a51/FLAGcb79eaba9 [2021-11-23 00:39:47,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/data/f10aec7b2/10dfc45b98b844259f2f8cecd3b49a51 [2021-11-23 00:39:47,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:47,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:47,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:47,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:47,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:47,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:47" (1/1) ... [2021-11-23 00:39:47,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687818c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:47, skipping insertion in model container [2021-11-23 00:39:47,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:47" (1/1) ... [2021-11-23 00:39:47,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:47,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:47,942 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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-11-23 00:39:47,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:47,981 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:39:47,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:48,037 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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-11-23 00:39:48,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:48,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:48,120 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_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-11-23 00:39:48,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:48,164 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:48,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48 WrapperNode [2021-11-23 00:39:48,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:48,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:48,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:48,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:48,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,215 INFO L137 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2021-11-23 00:39:48,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:48,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:48,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:48,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:48,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:48,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:48,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:48,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:48,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:48" (1/1) ... [2021-11-23 00:39:48,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:48,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:48,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:48,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:39:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:39:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:39:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:39:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:39:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:39:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:39:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:39:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:39:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:39:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:39:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:39:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:39:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:39:48,396 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 00:39:48,504 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:48,506 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:48,923 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:49,157 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:49,157 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:39:49,158 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L78 is neither atomic block end nor a sink node. [2021-11-23 00:39:49,159 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 00:39:49,164 INFO L158 Benchmark]: Toolchain (without parser) took 1494.07ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.7MB in the beginning and 32.7MB in the end (delta: -6.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:49,171 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:49,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.76ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.5MB in the beginning and 43.0MB in the end (delta: -16.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 00:39:49,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.59ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:49,177 INFO L158 Benchmark]: Boogie Preprocessor took 53.72ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 39.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:49,178 INFO L158 Benchmark]: RCFGBuilder took 890.01ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 32.7MB in the end (delta: 7.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:49,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.76ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 26.5MB in the beginning and 43.0MB in the end (delta: -16.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.59ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 41.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.72ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 39.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 890.01ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 32.7MB in the end (delta: 7.0MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:39:49,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f674fff0-21c2-4eb1-9d0c-af6bafe2557b/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?