./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_1_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_1_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/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 375e158327910cae8c3594f7d2ad0376509a1ecb ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 13:15:48,064 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:15:48,065 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:15:48,073 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:15:48,074 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:15:48,074 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:15:48,075 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:15:48,077 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:15:48,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:15:48,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:15:48,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:15:48,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:15:48,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:15:48,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:15:48,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:15:48,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:15:48,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:15:48,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:15:48,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:15:48,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:15:48,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:15:48,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:15:48,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:15:48,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:15:48,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:15:48,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:15:48,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:15:48,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:15:48,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:15:48,095 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:15:48,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:15:48,096 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:15:48,096 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:15:48,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:15:48,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:15:48,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:15:48,097 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 13:15:48,107 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:15:48,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:15:48,108 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:15:48,108 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 13:15:48,109 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:15:48,109 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:15:48,109 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:15:48,109 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 13:15:48,109 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:15:48,110 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:15:48,111 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 13:15:48,111 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 13:15:48,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:15:48,111 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:15:48,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 13:15:48,111 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:15:48,111 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:15:48,112 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:15:48,112 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 13:15:48,112 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:15:48,112 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:15:48,112 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/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 -> 375e158327910cae8c3594f7d2ad0376509a1ecb [2018-11-10 13:15:48,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:15:48,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:15:48,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:15:48,149 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:15:48,149 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:15:48,150 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/../../sv-benchmarks/c/systemc/pc_sfifo_1_false-unreach-call_false-termination.cil.c [2018-11-10 13:15:48,188 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/data/d6b4af40b/8a1c7e59e3294e76a5c2b8f3156673dc/FLAG67ddd46a6 [2018-11-10 13:15:48,496 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:15:48,496 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/sv-benchmarks/c/systemc/pc_sfifo_1_false-unreach-call_false-termination.cil.c [2018-11-10 13:15:48,501 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/data/d6b4af40b/8a1c7e59e3294e76a5c2b8f3156673dc/FLAG67ddd46a6 [2018-11-10 13:15:48,511 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/data/d6b4af40b/8a1c7e59e3294e76a5c2b8f3156673dc [2018-11-10 13:15:48,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:15:48,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:15:48,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:15:48,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:15:48,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:15:48,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d87dfb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48, skipping insertion in model container [2018-11-10 13:15:48,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:15:48,546 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:15:48,654 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:15:48,657 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:15:48,680 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:15:48,690 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:15:48,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48 WrapperNode [2018-11-10 13:15:48,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:15:48,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:15:48,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:15:48,691 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:15:48,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:15:48,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:15:48,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:15:48,717 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:15:48,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... [2018-11-10 13:15:48,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:15:48,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:15:48,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:15:48,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:15:48,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:15:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/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 [2018-11-10 13:15:48,815 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2018-11-10 13:15:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2018-11-10 13:15:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure error [2018-11-10 13:15:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2018-11-10 13:15:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2018-11-10 13:15:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2018-11-10 13:15:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:15:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:15:49,209 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:15:49,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:49 BoogieIcfgContainer [2018-11-10 13:15:49,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:15:49,210 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 13:15:49,210 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 13:15:49,219 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 13:15:49,220 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:49" (1/1) ... [2018-11-10 13:15:49,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:15:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 13:15:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2018-11-10 13:15:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2018-11-10 13:15:49,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 13:15:49,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 13:15:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:15:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:15:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:15:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:15:49,405 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2018-11-10 13:15:49,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:15:49 ImpRootNode [2018-11-10 13:15:49,434 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 13:15:49,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:15:49,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:15:49,434 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:15:49,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:15:49" (3/4) ... [2018-11-10 13:15:49,437 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 13:15:49,477 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b0d7123-b5a8-46b9-95f3-9492a8df4e76/bin-2019/ukojak/witness.graphml [2018-11-10 13:15:49,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:15:49,478 INFO L168 Benchmark]: Toolchain (without parser) took 965.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 963.4 MB in the beginning and 1.1 GB in the end (delta: -120.1 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:49,479 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:15:49,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.01 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 946.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:49,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.69 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:15:49,480 INFO L168 Benchmark]: Boogie Preprocessor took 17.57 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:15:49,480 INFO L168 Benchmark]: RCFGBuilder took 474.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:49,481 INFO L168 Benchmark]: CodeCheck took 224.25 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:15:49,481 INFO L168 Benchmark]: Witness Printer took 43.31 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. [2018-11-10 13:15:49,483 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 79 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int q_buf_0 ; [L15] int q_free ; [L16] int q_read_ev ; [L17] int q_write_ev ; [L18] int p_num_write ; [L19] int p_last_write ; [L20] int p_dw_st ; [L21] int p_dw_pc ; [L22] int p_dw_i ; [L23] int c_num_read ; [L24] int c_last_read ; [L25] int c_dr_st ; [L26] int c_dr_pc ; [L27] int c_dr_i ; [L134] static int a_t ; [L350] int __retres1 ; [L354] CALL init_model() [L336] q_free = 1 [L337] q_write_ev = 2 [L338] q_read_ev = q_write_ev [L339] p_num_write = 0 [L340] p_dw_pc = 0 [L341] p_dw_i = 1 [L342] c_num_read = 0 [L343] c_dr_pc = 0 [L344] RET c_dr_i = 1 [L354] init_model() [L355] CALL start_simulation() [L304] int kernel_st ; [L305] int tmp ; [L309] kernel_st = 0 [L310] CALL init_threads() [L196] COND TRUE (int )p_dw_i == 1 [L197] p_dw_st = 0 [L201] COND TRUE (int )c_dr_i == 1 [L202] RET c_dr_st = 0 [L310] init_threads() [L313] COND TRUE 1 [L316] kernel_st = 1 [L317] CALL eval() [L231] int tmp ; [L232] int tmp___0 ; [L233] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L237] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L240] CALL, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L211] int __retres1 ; [L214] COND TRUE (int )p_dw_st == 0 [L215] __retres1 = 1 [L227] RET return (__retres1); [L240] EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L240] tmp___1 = exists_runnable_thread() [L242] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L247] COND TRUE (int )p_dw_st == 0 [L249] tmp = __VERIFIER_nondet_int() [L251] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L257] CALL error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] [L9] __VERIFIER_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.01 ms. Allocated memory is still 1.0 GB. Free memory was 963.4 MB in the beginning and 946.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.69 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.57 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 474.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * CodeCheck took 224.25 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.31 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...