./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c503be2a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1970040d75e8a23bfd12381ec777fc53527d9188 .............................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1970040d75e8a23bfd12381ec777fc53527d9188 ................................................................................................................................................................................................................ 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? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 17:44:11,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 17:44:11,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 17:44:11,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 17:44:11,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 17:44:11,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 17:44:11,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 17:44:11,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 17:44:11,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 17:44:11,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 17:44:11,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 17:44:11,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 17:44:11,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 17:44:11,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 17:44:11,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 17:44:11,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 17:44:11,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 17:44:11,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 17:44:11,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 17:44:11,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 17:44:11,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 17:44:11,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 17:44:11,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 17:44:11,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 17:44:11,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 17:44:11,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 17:44:11,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 17:44:11,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 17:44:11,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 17:44:11,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 17:44:11,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 17:44:11,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 17:44:11,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 17:44:11,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 17:44:11,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 17:44:11,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 17:44:11,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 17:44:11,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 17:44:11,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 17:44:11,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 17:44:11,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 17:44:11,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 17:44:11,537 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 17:44:11,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 17:44:11,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 17:44:11,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 17:44:11,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 17:44:11,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 17:44:11,551 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 17:44:11,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 17:44:11,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 17:44:11,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 17:44:11,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 17:44:11,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 17:44:11,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 17:44:11,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 17:44:11,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 17:44:11,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 17:44:11,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 17:44:11,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 17:44:11,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 17:44:11,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 17:44:11,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 17:44:11,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 17:44:11,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 17:44:11,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 17:44:11,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 17:44:11,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 17:44:11,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 17:44:11,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 17:44:11,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 17:44:11,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 17:44:11,591 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-13 17:44:12,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 17:44:12,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 17:44:12,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 17:44:12,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 17:44:12,255 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 17:44:12,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-13 17:44:12,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daa0ad71b/0195e465966746c9adb81f032c038854/FLAG824de96df [2021-10-13 17:44:13,141 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 17:44:13,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-13 17:44:13,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daa0ad71b/0195e465966746c9adb81f032c038854/FLAG824de96df [2021-10-13 17:44:13,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daa0ad71b/0195e465966746c9adb81f032c038854 [2021-10-13 17:44:13,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 17:44:13,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 17:44:13,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 17:44:13,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 17:44:13,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 17:44:13,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:13,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb4fea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13, skipping insertion in model container [2021-10-13 17:44:13,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:13,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 17:44:13,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 17:44:13,741 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-13 17:44:13,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 17:44:13,781 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 17:44:13,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-13 17:44:13,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 17:44:13,913 INFO L208 MainTranslator]: Completed translation [2021-10-13 17:44:13,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13 WrapperNode [2021-10-13 17:44:13,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 17:44:13,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 17:44:13,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 17:44:13,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 17:44:13,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:13,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 17:44:14,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 17:44:14,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 17:44:14,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 17:44:14,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 17:44:14,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 17:44:14,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 17:44:14,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 17:44:14,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:13" (1/1) ... [2021-10-13 17:44:14,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 17:44:14,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 17:44:14,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 17:44:14,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 17:44:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 17:44:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 17:44:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 17:44:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 17:44:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 17:44:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 17:44:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 17:44:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 17:44:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 17:44:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-13 17:44:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-13 17:44:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 17:44:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-13 17:44:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-13 17:44:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 17:44:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 17:44:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 17:44:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 17:44:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 17:44:14,253 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 17:44:14,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 17:44:14,936 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-13 17:44:14,937 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-13 17:44:14,938 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-13 17:44:14,939 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:302) 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) [2021-10-13 17:44:14,945 INFO L168 Benchmark]: Toolchain (without parser) took 1473.54 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 48.9 MB in the end (delta: -16.0 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:14,946 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 17:44:14,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.10 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 34.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:14,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.40 ms. Allocated memory is still 56.6 MB. Free memory was 34.0 MB in the beginning and 31.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:14,950 INFO L168 Benchmark]: Boogie Preprocessor took 95.44 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 29.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:14,951 INFO L168 Benchmark]: RCFGBuilder took 812.37 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 48.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:14,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 56.6 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.10 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 34.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.40 ms. Allocated memory is still 56.6 MB. Free memory was 34.0 MB in the beginning and 31.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.44 ms. Allocated memory is still 56.6 MB. Free memory was 31.7 MB in the beginning and 29.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 812.37 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 48.9 MB in the end (delta: -19.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 17:44:15,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 17:44:17,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 17:44:17,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 17:44:17,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 17:44:17,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 17:44:17,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 17:44:17,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 17:44:17,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 17:44:17,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 17:44:17,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 17:44:17,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 17:44:17,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 17:44:17,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 17:44:17,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 17:44:17,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 17:44:17,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 17:44:17,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 17:44:17,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 17:44:17,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 17:44:17,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 17:44:17,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 17:44:17,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 17:44:17,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 17:44:17,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 17:44:17,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 17:44:17,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 17:44:17,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 17:44:17,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 17:44:17,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 17:44:17,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 17:44:17,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 17:44:17,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 17:44:17,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 17:44:17,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 17:44:17,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 17:44:17,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 17:44:17,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 17:44:17,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 17:44:17,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 17:44:17,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 17:44:17,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 17:44:17,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-13 17:44:17,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 17:44:17,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 17:44:17,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 17:44:17,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 17:44:17,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 17:44:17,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 17:44:17,812 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 17:44:17,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 17:44:17,813 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 17:44:17,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 17:44:17,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 17:44:17,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 17:44:17,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 17:44:17,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 17:44:17,816 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 17:44:17,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 17:44:17,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 17:44:17,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 17:44:17,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 17:44:17,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 17:44:17,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 17:44:17,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 17:44:17,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 17:44:17,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 17:44:17,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 17:44:17,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 17:44:17,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 17:44:17,820 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 17:44:17,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 17:44:17,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 17:44:17,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 17:44:17,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 17:44:17,821 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-13 17:44:18,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 17:44:18,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 17:44:18,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 17:44:18,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 17:44:18,296 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 17:44:18,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-13 17:44:18,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9216c9753/720a4ed370334f9ca292ac662e3cc1da/FLAG0d79a0a61 [2021-10-13 17:44:19,067 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 17:44:19,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-13 17:44:19,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9216c9753/720a4ed370334f9ca292ac662e3cc1da/FLAG0d79a0a61 [2021-10-13 17:44:19,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9216c9753/720a4ed370334f9ca292ac662e3cc1da [2021-10-13 17:44:19,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 17:44:19,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 17:44:19,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 17:44:19,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 17:44:19,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 17:44:19,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f43cf23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19, skipping insertion in model container [2021-10-13 17:44:19,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 17:44:19,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 17:44:19,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-13 17:44:19,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 17:44:19,715 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 17:44:19,750 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-13 17:44:19,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 17:44:19,774 INFO L208 MainTranslator]: Completed translation [2021-10-13 17:44:19,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19 WrapperNode [2021-10-13 17:44:19,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 17:44:19,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 17:44:19,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 17:44:19,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 17:44:19,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 17:44:19,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 17:44:19,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 17:44:19,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 17:44:19,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 17:44:19,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 17:44:19,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 17:44:19,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 17:44:19,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:44:19" (1/1) ... [2021-10-13 17:44:19,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 17:44:19,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 17:44:20,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 17:44:20,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 17:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 17:44:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 17:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 17:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 17:44:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 17:44:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 17:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 17:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 17:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 17:44:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-13 17:44:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-13 17:44:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-13 17:44:20,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-13 17:44:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 17:44:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 17:44:20,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 17:44:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 17:44:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 17:44:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 17:44:20,084 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 17:44:20,693 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 17:44:20,693 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-13 17:44:20,694 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-13 17:44:20,695 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-13 17:44:20,696 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:302) 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) [2021-10-13 17:44:20,701 INFO L168 Benchmark]: Toolchain (without parser) took 1281.61 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 28.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:20,702 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory was 18.9 MB in the beginning and 18.9 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 17:44:20,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.89 ms. Allocated memory is still 46.1 MB. Free memory was 22.6 MB in the beginning and 21.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:20,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 46.1 MB. Free memory was 21.2 MB in the beginning and 30.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:20,706 INFO L168 Benchmark]: Boogie Preprocessor took 96.61 ms. Allocated memory is still 46.1 MB. Free memory was 30.6 MB in the beginning and 28.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:20,707 INFO L168 Benchmark]: RCFGBuilder took 750.78 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 28.4 MB in the end (delta: 28.3 kB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 17:44:20,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory was 18.9 MB in the beginning and 18.9 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 345.89 ms. Allocated memory is still 46.1 MB. Free memory was 22.6 MB in the beginning and 21.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 46.1 MB. Free memory was 21.2 MB in the beginning and 30.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.61 ms. Allocated memory is still 46.1 MB. Free memory was 30.6 MB in the beginning and 28.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 750.78 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.5 MB in the beginning and 28.4 MB in the end (delta: 28.3 kB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-13 17:44:20,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...