./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3 --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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3 --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-5709675 [2021-10-15 20:02:25,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:02:25,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:02:25,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:02:25,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:02:25,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:02:25,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:02:25,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:02:25,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:02:25,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:02:25,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:02:25,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:02:25,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:02:25,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:02:25,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:02:25,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:02:25,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:02:25,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:02:25,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:02:25,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:02:25,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:02:25,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:02:25,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:02:25,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:02:25,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:02:25,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:02:25,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:02:25,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:02:25,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:02:25,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:02:25,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:02:25,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:02:25,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:02:25,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:02:25,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:02:25,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:02:25,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:02:25,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:02:25,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:02:25,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:02:25,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:02:25,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-15 20:02:25,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:02:25,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:02:25,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:02:25,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:02:25,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:02:25,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:02:25,240 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:02:25,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:02:25,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:02:25,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:02:25,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:02:25,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:02:25,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:02:25,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:02:25,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:02:25,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:02:25,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:02:25,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:02:25,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:02:25,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:02:25,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:02:25,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:02:25,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:02:25,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:02:25,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:02:25,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:02:25,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:02:25,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 20:02:25,247 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:02:25,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:02:25,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:02:25,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:02:25,249 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_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-15 20:02:25,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:02:25,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:02:25,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:02:25,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:02:25,575 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:02:25,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-15 20:02:25,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/f23be32e6/f85016e09a4242f78e8956fec295dacb/FLAGfaf2670b8 [2021-10-15 20:02:26,268 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:02:26,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-15 20:02:26,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/f23be32e6/f85016e09a4242f78e8956fec295dacb/FLAGfaf2670b8 [2021-10-15 20:02:26,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/f23be32e6/f85016e09a4242f78e8956fec295dacb [2021-10-15 20:02:26,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:02:26,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:02:26,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:02:26,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:02:26,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:02:26,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:02:26" (1/1) ... [2021-10-15 20:02:26,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fef55fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:26, skipping insertion in model container [2021-10-15 20:02:26,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:02:26" (1/1) ... [2021-10-15 20:02:26,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:02:26,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:02:26,914 WARN L228 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_b887031c-b07c-412d-b4d9-28ea4a1993b5/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-15 20:02:26,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:02:26,936 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:02:26,975 WARN L228 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_b887031c-b07c-412d-b4d9-28ea4a1993b5/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-15 20:02:26,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:02:26,999 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:02:27,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27 WrapperNode [2021-10-15 20:02:27,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:02:27,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:02:27,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:02:27,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:02:27,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:02:27,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:02:27,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:02:27,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:02:27,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:02:27,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:02:27,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:02:27,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:02:27,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:27" (1/1) ... [2021-10-15 20:02:27,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:02:27,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:02:27,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:02:27,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:02:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:02:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 20:02:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 20:02:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-15 20:02:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-15 20:02:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-15 20:02:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-15 20:02:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-15 20:02:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-15 20:02:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-15 20:02:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-15 20:02:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:02:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-15 20:02:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-15 20:02:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-15 20:02:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 20:02:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:02:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:02:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:02:27,229 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-15 20:02:27,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:02:27,948 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-15 20:02:27,950 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-15 20:02:27,951 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-15 20:02:27,952 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) [2021-10-15 20:02:27,957 INFO L168 Benchmark]: Toolchain (without parser) took 1348.28 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 61.1 MB in the beginning and 74.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:27,973 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:02:27,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.32 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.9 MB in the beginning and 97.7 MB in the end (delta: -36.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:27,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.79 ms. Allocated memory is still 123.7 MB. Free memory was 97.7 MB in the beginning and 95.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:27,977 INFO L168 Benchmark]: Boogie Preprocessor took 60.45 ms. Allocated memory is still 123.7 MB. Free memory was 95.6 MB in the beginning and 93.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:27,978 INFO L168 Benchmark]: RCFGBuilder took 829.81 ms. Allocated memory is still 123.7 MB. Free memory was 93.5 MB in the beginning and 74.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:27,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 94.4 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 391.32 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.9 MB in the beginning and 97.7 MB in the end (delta: -36.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.79 ms. Allocated memory is still 123.7 MB. Free memory was 97.7 MB in the beginning and 95.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.45 ms. Allocated memory is still 123.7 MB. Free memory was 95.6 MB in the beginning and 93.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 829.81 ms. Allocated memory is still 123.7 MB. Free memory was 93.5 MB in the beginning and 74.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 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. [2021-10-15 20:02:28,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/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-5709675 [2021-10-15 20:02:30,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:02:30,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:02:30,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:02:30,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:02:30,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:02:30,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:02:30,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:02:30,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:02:30,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:02:30,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:02:30,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:02:30,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:02:30,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:02:30,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:02:31,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:02:31,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:02:31,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:02:31,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:02:31,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:02:31,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:02:31,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:02:31,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:02:31,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:02:31,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:02:31,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:02:31,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:02:31,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:02:31,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:02:31,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:02:31,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:02:31,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:02:31,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:02:31,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:02:31,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:02:31,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:02:31,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:02:31,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:02:31,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:02:31,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:02:31,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:02:31,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-15 20:02:31,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:02:31,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:02:31,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:02:31,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:02:31,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:02:31,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:02:31,151 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:02:31,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:02:31,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:02:31,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:02:31,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:02:31,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 20:02:31,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 20:02:31,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 20:02:31,155 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 20:02:31,155 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 20:02:31,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:02:31,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:02:31,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:02:31,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 20:02:31,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:02:31,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:02:31,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 20:02:31,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:02:31,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:02:31,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 20:02:31,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 20:02:31,159 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 20:02:31,159 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 20:02:31,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 20:02:31,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 20:02:31,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 20:02:31,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:02:31,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 20:02:31,161 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_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970040d75e8a23bfd12381ec777fc53527d9188 [2021-10-15 20:02:31,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:02:31,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:02:31,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:02:31,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:02:31,686 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:02:31,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-15 20:02:31,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/e27355889/c5b5e7ca9a114c18b12f071c3713b179/FLAGe11c740dc [2021-10-15 20:02:32,398 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:02:32,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c [2021-10-15 20:02:32,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/e27355889/c5b5e7ca9a114c18b12f071c3713b179/FLAGe11c740dc [2021-10-15 20:02:32,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/data/e27355889/c5b5e7ca9a114c18b12f071c3713b179 [2021-10-15 20:02:32,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:02:32,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:02:32,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:02:32,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:02:32,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:02:32,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:02:32" (1/1) ... [2021-10-15 20:02:32,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dd05e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:32, skipping insertion in model container [2021-10-15 20:02:32,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:02:32" (1/1) ... [2021-10-15 20:02:32,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:02:32,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:02:33,077 WARN L228 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_b887031c-b07c-412d-b4d9-28ea4a1993b5/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-15 20:02:33,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:02:33,161 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:02:33,236 WARN L228 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_b887031c-b07c-412d-b4d9-28ea4a1993b5/sv-benchmarks/c/weaver/parallel-min-max-2.wvr.c[3381,3394] [2021-10-15 20:02:33,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:02:33,278 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:02:33,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33 WrapperNode [2021-10-15 20:02:33,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:02:33,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:02:33,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:02:33,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:02:33,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:02:33,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:02:33,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:02:33,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:02:33,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:02:33,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:02:33,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:02:33,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:02:33,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:02:33" (1/1) ... [2021-10-15 20:02:33,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 20:02:33,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:02:33,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 20:02:33,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 20:02:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 20:02:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:02:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 20:02:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-15 20:02:33,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-15 20:02:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-15 20:02:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-15 20:02:33,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-15 20:02:33,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-15 20:02:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-15 20:02:33,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-15 20:02:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-15 20:02:33,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-15 20:02:33,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-15 20:02:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 20:02:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:02:33,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:02:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 20:02:33,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 20:02:33,495 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-15 20:02:34,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:02:34,207 INFO L299 CfgBuilder]: Removed 27 assume(true) statements. [2021-10-15 20:02:34,208 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-10-15 20:02:34,209 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L93 is neither atomic block end nor a sink node. [2021-10-15 20:02:34,210 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) [2021-10-15 20:02:34,219 INFO L168 Benchmark]: Toolchain (without parser) took 1496.19 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 36.2 MB in the beginning and 51.4 MB in the end (delta: -15.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:34,220 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:02:34,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.83 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 39.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:34,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.84 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 37.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:34,225 INFO L168 Benchmark]: Boogie Preprocessor took 51.04 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 35.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:34,226 INFO L168 Benchmark]: RCFGBuilder took 819.30 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.3 MB in the beginning and 51.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:02:34,237 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 58.7 MB. Free memory is still 38.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.83 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 39.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.84 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 37.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.04 ms. Allocated memory is still 58.7 MB. Free memory was 37.3 MB in the beginning and 35.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 819.30 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.3 MB in the beginning and 51.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 12.6 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. [2021-10-15 20:02:34,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b887031c-b07c-412d-b4d9-28ea4a1993b5/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...