./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/safestack_relacy_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/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 bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b ................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/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 bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:05:08,125 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:05:08,127 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:05:08,134 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:05:08,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:05:08,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:05:08,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:05:08,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:05:08,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:05:08,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:05:08,140 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:05:08,140 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:05:08,141 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:05:08,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:05:08,142 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:05:08,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:05:08,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:05:08,145 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:05:08,146 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:05:08,147 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:05:08,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:05:08,149 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:05:08,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:05:08,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:05:08,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:05:08,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:05:08,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:05:08,153 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:05:08,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:05:08,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:05:08,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:05:08,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:05:08,156 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:05:08,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:05:08,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:05:08,158 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:05:08,158 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:05:08,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:05:08,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:05:08,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:05:08,170 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:05:08,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:05:08,171 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:05:08,171 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:05:08,171 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:05:08,171 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:05:08,171 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:05:08,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:05:08,174 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:05:08,174 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:05:08,174 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:05:08,174 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:05:08,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:05:08,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:05:08,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:05:08,175 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:05:08,175 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:05:08,175 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:05:08,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:05:08,175 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_4d309dc8-54e1-458b-a8fc-566a49502ff0/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 -> bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b [2018-11-23 04:05:08,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:05:08,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:05:08,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:05:08,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:05:08,217 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:05:08,218 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/../../sv-benchmarks/c/pthread-complex/safestack_relacy_false-unreach-call.i [2018-11-23 04:05:08,264 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/6e2dbb8b0/1b406c3432e74574aa3b7a6762631731/FLAG2f7fde52a [2018-11-23 04:05:08,713 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:05:08,714 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/sv-benchmarks/c/pthread-complex/safestack_relacy_false-unreach-call.i [2018-11-23 04:05:08,730 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/6e2dbb8b0/1b406c3432e74574aa3b7a6762631731/FLAG2f7fde52a [2018-11-23 04:05:09,047 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/6e2dbb8b0/1b406c3432e74574aa3b7a6762631731 [2018-11-23 04:05:09,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:05:09,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:05:09,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:05:09,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:05:09,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:05:09,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:09" (1/1) ... [2018-11-23 04:05:09,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad3c541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:09, skipping insertion in model container [2018-11-23 04:05:09,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:09" (1/1) ... [2018-11-23 04:05:09,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:05:09,108 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:05:09,660 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:05:09,736 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:05:09,786 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:05:10,037 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:05:10,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10 WrapperNode [2018-11-23 04:05:10,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:05:10,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:05:10,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:05:10,038 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:05:10,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:05:10,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:05:10,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:05:10,093 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:05:10,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:05:10,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:05:10,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:05:10,131 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:05:10,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/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 [2018-11-23 04:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 04:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 04:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 04:05:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-11-23 04:05:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-11-23 04:05:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:05:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:05:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_exchange [2018-11-23 04:05:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_exchange [2018-11-23 04:05:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_store [2018-11-23 04:05:10,174 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_store [2018-11-23 04:05:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_load [2018-11-23 04:05:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_load [2018-11-23 04:05:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 04:05:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_compare_and_exchange [2018-11-23 04:05:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_compare_and_exchange [2018-11-23 04:05:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 04:05:10,176 WARN L198 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 04:05:10,776 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:05:10,777 INFO L280 CfgBuilder]: Removed 21 assue(true) statements. [2018-11-23 04:05:10,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:10 BoogieIcfgContainer [2018-11-23 04:05:10,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:05:10,777 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:05:10,778 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:05:10,786 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:05:10,786 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:10" (1/1) ... [2018-11-23 04:05:10,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:05:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:05:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 55 states and 63 transitions. [2018-11-23 04:05:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-11-23 04:05:10,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:05:10,838 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2018-11-23 04:05:10,846 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:05:10,944 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,948 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,948 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,948 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,948 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,949 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,949 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,949 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,950 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,950 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,950 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:10,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:05:10 ImpRootNode [2018-11-23 04:05:10,950 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:05:10,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:05:10,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:05:10,951 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:05:10,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:10" (3/4) ... [2018-11-23 04:05:10,956 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:05:10,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_compare_and_exchange [2018-11-23 04:05:10,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_store [2018-11-23 04:05:10,964 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread [2018-11-23 04:05:10,964 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_load [2018-11-23 04:05:10,964 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_exchange [2018-11-23 04:05:10,969 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 04:05:10,970 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 04:05:11,031 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:59) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:153) at de.uni_freiburg.informatik.ultimate.witnessprinter.CorrectnessWitnessGenerator.lambda$2(CorrectnessWitnessGenerator.java:95) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.CorrectnessWitnessGenerator.makeGraphMLString(CorrectnessWitnessGenerator.java:116) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:165) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2018-11-23 04:05:11,033 INFO L168 Benchmark]: Toolchain (without parser) took 1983.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 912.8 MB in the end (delta: 43.8 MB). Peak memory consumption was 183.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:11,035 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:05:11,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 986.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -51.5 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:11,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:11,036 INFO L168 Benchmark]: Boogie Preprocessor took 37.95 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. [2018-11-23 04:05:11,036 INFO L168 Benchmark]: RCFGBuilder took 646.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 951.1 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:11,036 INFO L168 Benchmark]: CodeCheck took 173.14 ms. Allocated memory is still 1.2 GB. Free memory was 951.1 MB in the beginning and 918.1 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:11,037 INFO L168 Benchmark]: Witness Printer took 81.77 ms. Allocated memory is still 1.2 GB. Free memory was 918.1 MB in the beginning and 912.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:11,039 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 6 procedures, 165 locations, 1 error locations. SAFE Result, 0.0s 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: No data available, 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 - PositiveResult [Line: 1892]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1901]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 986.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -51.5 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.95 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. * RCFGBuilder took 646.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 951.1 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * CodeCheck took 173.14 ms. Allocated memory is still 1.2 GB. Free memory was 951.1 MB in the beginning and 918.1 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Witness Printer took 81.77 ms. Allocated memory is still 1.2 GB. Free memory was 918.1 MB in the beginning and 912.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 04:05:12,564 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:05:12,565 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:05:12,574 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:05:12,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:05:12,575 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:05:12,576 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:05:12,578 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:05:12,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:05:12,579 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:05:12,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:05:12,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:05:12,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:05:12,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:05:12,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:05:12,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:05:12,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:05:12,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:05:12,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:05:12,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:05:12,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:05:12,590 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:05:12,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:05:12,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:05:12,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:05:12,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:05:12,593 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:05:12,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:05:12,594 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:05:12,595 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:05:12,595 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:05:12,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:05:12,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:05:12,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:05:12,596 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:05:12,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:05:12,598 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 04:05:12,609 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:05:12,609 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:05:12,609 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:05:12,610 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:05:12,610 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:05:12,610 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:05:12,610 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 04:05:12,611 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 04:05:12,612 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:05:12,612 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:05:12,612 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:05:12,612 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:05:12,612 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:05:12,612 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:05:12,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:05:12,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:05:12,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:05:12,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:05:12,615 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:05:12,615 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:05:12,615 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 04:05:12,615 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 04:05:12,615 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:05:12,615 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 04:05:12,616 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 04:05:12,616 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_4d309dc8-54e1-458b-a8fc-566a49502ff0/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 -> bf12ec65a8c1a33c85aaf5d77bffaedefd70b93b [2018-11-23 04:05:12,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:05:12,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:05:12,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:05:12,659 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:05:12,659 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:05:12,659 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/../../sv-benchmarks/c/pthread-complex/safestack_relacy_false-unreach-call.i [2018-11-23 04:05:12,707 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/66b342d12/0045e9ab638a4ad19324b45c2cdf2a4a/FLAG14092a39f [2018-11-23 04:05:13,105 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:05:13,105 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/sv-benchmarks/c/pthread-complex/safestack_relacy_false-unreach-call.i [2018-11-23 04:05:13,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/66b342d12/0045e9ab638a4ad19324b45c2cdf2a4a/FLAG14092a39f [2018-11-23 04:05:13,132 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/bin-2019/ukojak/data/66b342d12/0045e9ab638a4ad19324b45c2cdf2a4a [2018-11-23 04:05:13,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:05:13,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:05:13,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:05:13,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:05:13,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:05:13,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:13" (1/1) ... [2018-11-23 04:05:13,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3e9d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:13, skipping insertion in model container [2018-11-23 04:05:13,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:13" (1/1) ... [2018-11-23 04:05:13,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:05:13,186 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:05:13,771 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:05:13,784 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:05:13,918 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:05:14,109 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:05:14,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14 WrapperNode [2018-11-23 04:05:14,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:05:14,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:05:14,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:05:14,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:05:14,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:05:14,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:05:14,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:05:14,160 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:05:14,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:05:14,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:05:14,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:05:14,207 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:05:14,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d309dc8-54e1-458b-a8fc-566a49502ff0/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 [2018-11-23 04:05:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 04:05:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:05:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-23 04:05:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 04:05:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:05:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2018-11-23 04:05:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2018-11-23 04:05:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:05:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:05:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_exchange [2018-11-23 04:05:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_exchange [2018-11-23 04:05:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 04:05:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_store [2018-11-23 04:05:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_store [2018-11-23 04:05:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 04:05:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_load [2018-11-23 04:05:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_load [2018-11-23 04:05:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_compare_and_exchange [2018-11-23 04:05:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_compare_and_exchange [2018-11-23 04:05:14,254 WARN L198 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 04:05:14,864 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:05:14,864 INFO L280 CfgBuilder]: Removed 21 assue(true) statements. [2018-11-23 04:05:14,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:14 BoogieIcfgContainer [2018-11-23 04:05:14,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:05:14,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:05:14,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:05:14,875 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:05:14,875 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:14" (1/1) ... [2018-11-23 04:05:14,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:05:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:05:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 55 states and 63 transitions. [2018-11-23 04:05:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-11-23 04:05:14,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:05:14,915 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2018-11-23 04:05:14,921 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:05:14,999 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,002 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,002 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,002 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,002 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,003 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,003 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,003 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,003 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,003 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,003 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:05:15,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:05:15 ImpRootNode [2018-11-23 04:05:15,004 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:05:15,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:05:15,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:05:15,005 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:05:15,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:14" (3/4) ... [2018-11-23 04:05:15,008 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:05:15,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_compare_and_exchange [2018-11-23 04:05:15,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_store [2018-11-23 04:05:15,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread [2018-11-23 04:05:15,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_load [2018-11-23 04:05:15,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_exchange [2018-11-23 04:05:15,022 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 04:05:15,022 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 04:05:15,072 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:59) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:153) at de.uni_freiburg.informatik.ultimate.witnessprinter.CorrectnessWitnessGenerator.lambda$2(CorrectnessWitnessGenerator.java:95) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.CorrectnessWitnessGenerator.makeGraphMLString(CorrectnessWitnessGenerator.java:116) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:165) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2018-11-23 04:05:15,074 INFO L168 Benchmark]: Toolchain (without parser) took 1938.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.4 MB in the beginning and 913.1 MB in the end (delta: 31.2 MB). Peak memory consumption was 188.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:15,075 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:05:15,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 974.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -68.3 MB). Peak memory consumption was 104.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:15,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:15,076 INFO L168 Benchmark]: Boogie Preprocessor took 46.76 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. [2018-11-23 04:05:15,076 INFO L168 Benchmark]: RCFGBuilder took 657.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 947.0 MB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:15,076 INFO L168 Benchmark]: CodeCheck took 138.60 ms. Allocated memory is still 1.2 GB. Free memory was 947.0 MB in the beginning and 926.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:15,076 INFO L168 Benchmark]: Witness Printer took 68.67 ms. Allocated memory is still 1.2 GB. Free memory was 926.7 MB in the beginning and 913.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:05:15,080 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 6 procedures, 157 locations, 1 error locations. SAFE Result, 0.0s 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: No data available, 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 - PositiveResult [Line: 1892]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1901]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 974.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -68.3 MB). Peak memory consumption was 104.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.76 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. * RCFGBuilder took 657.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 947.0 MB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. * CodeCheck took 138.60 ms. Allocated memory is still 1.2 GB. Free memory was 947.0 MB in the beginning and 926.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 68.67 ms. Allocated memory is still 1.2 GB. Free memory was 926.7 MB in the beginning and 913.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...