./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3889e54006dd3539905cc8d2fd19fff782281de ......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3889e54006dd3539905cc8d2fd19fff782281de ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:03:10,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:03:10,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:03:10,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:03:10,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:03:10,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:03:10,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:03:10,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:03:10,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:03:10,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:03:10,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:03:10,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:03:10,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:03:10,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:03:10,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:03:10,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:03:10,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:03:10,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:03:10,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:03:10,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:03:10,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:03:10,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:03:10,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:03:10,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:03:10,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:03:10,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:03:10,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:03:10,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:03:10,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:03:10,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:03:10,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:03:10,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:03:10,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:03:10,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:03:10,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:03:10,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:03:10,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:03:10,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:03:10,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:03:10,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:03:10,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:03:10,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:03:10,179 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:03:10,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:03:10,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:03:10,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:03:10,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:03:10,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:03:10,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:03:10,182 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:03:10,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:03:10,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:03:10,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:03:10,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:03:10,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:03:10,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:03:10,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:03:10,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:03:10,184 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:03:10,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:03:10,185 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:03:10,185 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:03:10,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:03:10,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:03:10,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:03:10,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:03:10,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:03:10,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:03:10,187 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:03:10,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:03:10,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:03:10,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3889e54006dd3539905cc8d2fd19fff782281de [2019-11-20 06:03:10,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:03:10,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:03:10,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:03:10,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:03:10,378 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:03:10,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-20 06:03:10,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/544123863/575aa2436e94490cb2ad3a29e4880420/FLAG75693a7e2 [2019-11-20 06:03:11,076 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:03:11,077 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-20 06:03:11,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/544123863/575aa2436e94490cb2ad3a29e4880420/FLAG75693a7e2 [2019-11-20 06:03:11,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/544123863/575aa2436e94490cb2ad3a29e4880420 [2019-11-20 06:03:11,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:03:11,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:03:11,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:03:11,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:03:11,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:03:11,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:11" (1/1) ... [2019-11-20 06:03:11,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48417b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:11, skipping insertion in model container [2019-11-20 06:03:11,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:11" (1/1) ... [2019-11-20 06:03:11,368 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:03:11,442 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:03:11,804 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-20 06:03:12,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:03:12,242 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:03:12,271 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-20 06:03:12,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:03:12,530 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:03:12,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12 WrapperNode [2019-11-20 06:03:12,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:03:12,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:03:12,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:03:12,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:03:12,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:03:12,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:03:12,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:03:12,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:03:12,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... [2019-11-20 06:03:12,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:03:12,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:03:12,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:03:12,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:03:12,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:03:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_node_init [2019-11-20 06:03:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_node_init [2019-11-20 06:03:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2019-11-20 06:03:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2019-11-20 06:03:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:03:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 06:03:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_empty [2019-11-20 06:03:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_empty [2019-11-20 06:03:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:03:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:03:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:03:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:03:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 06:03:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_drop_head [2019-11-20 06:03:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_drop_head [2019-11-20 06:03:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:03:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:03:12,828 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 06:03:13,788 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:03:13,788 INFO L285 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-20 06:03:13,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:13 BoogieIcfgContainer [2019-11-20 06:03:13,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:03:13,791 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:03:13,791 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:03:13,803 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:03:13,803 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:13" (1/1) ... [2019-11-20 06:03:13,804 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 06:03:13,810 INFO L168 Benchmark]: Toolchain (without parser) took 2469.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -57.5 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:13,810 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:03:13,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1188.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:13,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:13,813 INFO L168 Benchmark]: Boogie Preprocessor took 96.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:03:13,814 INFO L168 Benchmark]: RCFGBuilder took 1044.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:13,814 INFO L168 Benchmark]: CodeCheck took 16.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:03:13,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1188.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1044.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 11.5 GB. * CodeCheck took 16.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 06:03:16,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:03:16,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:03:16,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:03:16,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:03:16,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:03:16,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:03:16,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:03:16,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:03:16,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:03:16,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:03:16,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:03:16,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:03:16,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:03:16,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:03:16,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:03:16,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:03:16,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:03:16,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:03:16,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:03:16,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:03:16,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:03:16,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:03:16,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:03:16,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:03:16,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:03:16,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:03:16,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:03:16,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:03:16,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:03:16,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:03:16,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:03:16,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:03:16,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:03:16,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:03:16,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:03:16,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:03:16,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:03:16,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:03:16,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:03:16,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:03:16,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-20 06:03:16,178 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:03:16,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:03:16,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:03:16,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:03:16,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:03:16,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:03:16,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:03:16,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:03:16,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:03:16,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:03:16,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:03:16,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:03:16,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:03:16,183 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:03:16,183 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:03:16,183 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:03:16,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:03:16,184 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:03:16,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:03:16,184 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:03:16,184 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:03:16,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:03:16,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:03:16,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:03:16,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:03:16,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:03:16,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:03:16,186 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 06:03:16,187 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:03:16,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:03:16,187 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 06:03:16,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:03:16,188 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3889e54006dd3539905cc8d2fd19fff782281de [2019-11-20 06:03:16,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:03:16,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:03:16,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:03:16,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:03:16,532 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:03:16,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-20 06:03:16,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/5b898ce8f/d522b15de17a4eeb90925d80a99c890f/FLAG03c58a5ec [2019-11-20 06:03:17,208 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:03:17,209 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2019-11-20 06:03:17,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/5b898ce8f/d522b15de17a4eeb90925d80a99c890f/FLAG03c58a5ec [2019-11-20 06:03:17,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/data/5b898ce8f/d522b15de17a4eeb90925d80a99c890f [2019-11-20 06:03:17,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:03:17,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:03:17,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:03:17,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:03:17,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:03:17,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:17" (1/1) ... [2019-11-20 06:03:17,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d63c699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:17, skipping insertion in model container [2019-11-20 06:03:17,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:03:17" (1/1) ... [2019-11-20 06:03:17,465 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:03:17,522 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:03:17,731 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-20 06:03:18,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:03:18,245 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:03:18,263 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2019-11-20 06:03:18,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:03:18,485 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:03:18,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18 WrapperNode [2019-11-20 06:03:18,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:03:18,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:03:18,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:03:18,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:03:18,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:03:18,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:03:18,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:03:18,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:03:18,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... [2019-11-20 06:03:18,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:03:18,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:03:18,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:03:18,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:03:18,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:03:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f29fcdf9-1371-48ee-b63b-a42ff1f8edd4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:03:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 06:03:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_node_init [2019-11-20 06:03:18,746 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_node_init [2019-11-20 06:03:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2019-11-20 06:03:18,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2019-11-20 06:03:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:03:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 06:03:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_empty [2019-11-20 06:03:18,748 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_empty [2019-11-20 06:03:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 06:03:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:03:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:03:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 06:03:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_drop_head [2019-11-20 06:03:18,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_drop_head [2019-11-20 06:03:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:03:18,757 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 06:03:19,932 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:03:19,933 INFO L285 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-20 06:03:19,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:19 BoogieIcfgContainer [2019-11-20 06:03:19,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:03:19,935 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:03:19,935 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:03:19,947 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:03:19,948 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:19" (1/1) ... [2019-11-20 06:03:19,949 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:364) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 06:03:19,957 INFO L168 Benchmark]: Toolchain (without parser) took 2510.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -78.8 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:19,958 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:03:19,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:19,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:19,961 INFO L168 Benchmark]: Boogie Preprocessor took 82.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:03:19,962 INFO L168 Benchmark]: RCFGBuilder took 1287.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:03:19,963 INFO L168 Benchmark]: CodeCheck took 19.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:03:19,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:175) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1039.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1287.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. * CodeCheck took 19.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...