./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2034d68815c5d20d7bc6440e24d5c8889799d0be ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:48:54,045 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:48:54,046 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:48:54,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:48:54,054 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:48:54,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:48:54,055 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:48:54,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:48:54,057 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:48:54,057 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:48:54,058 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:48:54,058 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:48:54,059 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:48:54,060 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:48:54,061 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:48:54,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:48:54,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:48:54,063 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:48:54,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:48:54,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:48:54,066 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:48:54,067 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:48:54,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:48:54,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:48:54,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:48:54,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:48:54,070 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:48:54,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:48:54,071 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:48:54,072 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:48:54,072 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:48:54,072 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:48:54,072 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:48:54,072 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:48:54,073 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:48:54,074 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:48:54,074 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 10:48:54,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:48:54,084 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:48:54,084 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:48:54,084 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:48:54,085 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:48:54,085 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:48:54,085 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:48:54,085 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:48:54,085 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:48:54,085 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:48:54,085 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:48:54,085 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:48:54,086 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:48:54,086 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:48:54,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:48:54,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:48:54,087 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_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2034d68815c5d20d7bc6440e24d5c8889799d0be [2018-12-09 10:48:54,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:48:54,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:48:54,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:48:54,123 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:48:54,123 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:48:54,123 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_true-unreach-call.i [2018-12-09 10:48:54,162 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/data/000b59847/f5912fbf558b4437be3a66a09d44fccd/FLAGc1388991a [2018-12-09 10:48:54,651 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:48:54,651 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_true-unreach-call.i [2018-12-09 10:48:54,659 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/data/000b59847/f5912fbf558b4437be3a66a09d44fccd/FLAGc1388991a [2018-12-09 10:48:54,668 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/data/000b59847/f5912fbf558b4437be3a66a09d44fccd [2018-12-09 10:48:54,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:48:54,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:48:54,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:48:54,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:48:54,673 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:48:54,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115e7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54, skipping insertion in model container [2018-12-09 10:48:54,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:48:54,700 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:48:54,855 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:48:54,863 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:48:54,920 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:48:54,951 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:48:54,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54 WrapperNode [2018-12-09 10:48:54,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:48:54,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:48:54,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:48:54,952 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:48:54,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:48:54,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:48:54,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:48:54,978 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:48:54,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... [2018-12-09 10:48:54,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:48:54,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:48:54,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:48:54,992 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:48:54,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-12-09 10:48:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:48:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 10:48:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 10:48:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 10:48:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 10:48:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 10:48:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 10:48:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 10:48:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-09 10:48:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-09 10:48:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 10:48:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:48:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:48:55,025 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 10:48:55,173 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:48:55,174 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 10:48:55,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:48:55 BoogieIcfgContainer [2018-12-09 10:48:55,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:48:55,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:48:55,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:48:55,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:48:55,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:48:54" (1/3) ... [2018-12-09 10:48:55,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5c4c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:48:55, skipping insertion in model container [2018-12-09 10:48:55,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:48:54" (2/3) ... [2018-12-09 10:48:55,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5c4c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:48:55, skipping insertion in model container [2018-12-09 10:48:55,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:48:55" (3/3) ... [2018-12-09 10:48:55,178 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_true-unreach-call.i [2018-12-09 10:48:55,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,198 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,198 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,198 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,199 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,200 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,201 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 10:48:55,207 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 10:48:55,207 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:48:55,211 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:48:55,220 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:48:55,233 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:48:55,234 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:48:55,234 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:48:55,234 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:48:55,234 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:48:55,234 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:48:55,234 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:48:55,234 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:48:55,234 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:48:55,239 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56places, 53 transitions [2018-12-09 10:48:55,291 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2385 states. [2018-12-09 10:48:55,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states. [2018-12-09 10:48:55,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 10:48:55,302 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:55,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:48:55,304 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:55,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1493068601, now seen corresponding path program 1 times [2018-12-09 10:48:55,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:48:55,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:48:55,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:55,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:48:55,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:55,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 10:48:55,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 10:48:55,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 10:48:55,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 10:48:55,466 INFO L87 Difference]: Start difference. First operand 2385 states. Second operand 4 states. [2018-12-09 10:48:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:55,532 INFO L93 Difference]: Finished difference Result 2493 states and 8069 transitions. [2018-12-09 10:48:55,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 10:48:55,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-12-09 10:48:55,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:55,548 INFO L225 Difference]: With dead ends: 2493 [2018-12-09 10:48:55,548 INFO L226 Difference]: Without dead ends: 1128 [2018-12-09 10:48:55,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:48:55,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2018-12-09 10:48:55,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2018-12-09 10:48:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2018-12-09 10:48:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 3558 transitions. [2018-12-09 10:48:55,607 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 3558 transitions. Word has length 30 [2018-12-09 10:48:55,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:55,608 INFO L480 AbstractCegarLoop]: Abstraction has 1128 states and 3558 transitions. [2018-12-09 10:48:55,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 10:48:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3558 transitions. [2018-12-09 10:48:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 10:48:55,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:55,610 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:48:55,611 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:55,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:55,611 INFO L82 PathProgramCache]: Analyzing trace with hash 257798501, now seen corresponding path program 1 times [2018-12-09 10:48:55,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:48:55,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:48:55,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:55,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:48:55,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:55,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 10:48:55,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 10:48:55,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 10:48:55,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 10:48:55,663 INFO L87 Difference]: Start difference. First operand 1128 states and 3558 transitions. Second operand 5 states. [2018-12-09 10:48:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:55,709 INFO L93 Difference]: Finished difference Result 1168 states and 3552 transitions. [2018-12-09 10:48:55,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 10:48:55,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-09 10:48:55,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:55,713 INFO L225 Difference]: With dead ends: 1168 [2018-12-09 10:48:55,713 INFO L226 Difference]: Without dead ends: 1044 [2018-12-09 10:48:55,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:48:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2018-12-09 10:48:55,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2018-12-09 10:48:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2018-12-09 10:48:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 3243 transitions. [2018-12-09 10:48:55,733 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 3243 transitions. Word has length 31 [2018-12-09 10:48:55,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:55,733 INFO L480 AbstractCegarLoop]: Abstraction has 1044 states and 3243 transitions. [2018-12-09 10:48:55,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 10:48:55,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3243 transitions. [2018-12-09 10:48:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 10:48:55,735 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:55,735 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:48:55,735 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:55,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:55,736 INFO L82 PathProgramCache]: Analyzing trace with hash 490078413, now seen corresponding path program 1 times [2018-12-09 10:48:55,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:48:55,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:48:55,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:55,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:48:55,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:55,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 10:48:55,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 10:48:55,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 10:48:55,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 10:48:55,791 INFO L87 Difference]: Start difference. First operand 1044 states and 3243 transitions. Second operand 6 states. [2018-12-09 10:48:55,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:55,833 INFO L93 Difference]: Finished difference Result 820 states and 2379 transitions. [2018-12-09 10:48:55,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:48:55,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-12-09 10:48:55,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:55,836 INFO L225 Difference]: With dead ends: 820 [2018-12-09 10:48:55,836 INFO L226 Difference]: Without dead ends: 708 [2018-12-09 10:48:55,836 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-12-09 10:48:55,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-12-09 10:48:55,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2018-12-09 10:48:55,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2018-12-09 10:48:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 2067 transitions. [2018-12-09 10:48:55,848 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 2067 transitions. Word has length 32 [2018-12-09 10:48:55,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:55,848 INFO L480 AbstractCegarLoop]: Abstraction has 708 states and 2067 transitions. [2018-12-09 10:48:55,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 10:48:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2067 transitions. [2018-12-09 10:48:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 10:48:55,849 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:55,849 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:48:55,849 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:55,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:55,850 INFO L82 PathProgramCache]: Analyzing trace with hash -774622655, now seen corresponding path program 1 times [2018-12-09 10:48:55,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:48:55,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:48:55,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:55,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:48:55,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:55,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:48:55,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:48:55,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:48:55,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:48:55,912 INFO L87 Difference]: Start difference. First operand 708 states and 2067 transitions. Second operand 7 states. [2018-12-09 10:48:55,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:55,992 INFO L93 Difference]: Finished difference Result 1108 states and 3291 transitions. [2018-12-09 10:48:55,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:48:55,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-12-09 10:48:55,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:55,995 INFO L225 Difference]: With dead ends: 1108 [2018-12-09 10:48:55,995 INFO L226 Difference]: Without dead ends: 592 [2018-12-09 10:48:55,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:48:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-12-09 10:48:56,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2018-12-09 10:48:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-09 10:48:56,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1755 transitions. [2018-12-09 10:48:56,011 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1755 transitions. Word has length 33 [2018-12-09 10:48:56,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:56,012 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 1755 transitions. [2018-12-09 10:48:56,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:48:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1755 transitions. [2018-12-09 10:48:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 10:48:56,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:56,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:48:56,014 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:56,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:56,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1731473919, now seen corresponding path program 2 times [2018-12-09 10:48:56,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:48:56,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:48:56,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:56,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:48:56,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:48:56,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:56,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 10:48:56,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 10:48:56,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 10:48:56,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 10:48:56,074 INFO L87 Difference]: Start difference. First operand 592 states and 1755 transitions. Second operand 7 states. [2018-12-09 10:48:56,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:56,146 INFO L93 Difference]: Finished difference Result 976 states and 2939 transitions. [2018-12-09 10:48:56,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 10:48:56,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-12-09 10:48:56,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:56,149 INFO L225 Difference]: With dead ends: 976 [2018-12-09 10:48:56,149 INFO L226 Difference]: Without dead ends: 556 [2018-12-09 10:48:56,150 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-09 10:48:56,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-12-09 10:48:56,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 556. [2018-12-09 10:48:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-09 10:48:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 1671 transitions. [2018-12-09 10:48:56,159 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 1671 transitions. Word has length 33 [2018-12-09 10:48:56,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:56,159 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 1671 transitions. [2018-12-09 10:48:56,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 10:48:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1671 transitions. [2018-12-09 10:48:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 10:48:56,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:48:56,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:48:56,161 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:48:56,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:48:56,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1959007825, now seen corresponding path program 3 times [2018-12-09 10:48:56,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:48:56,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:48:56,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:56,163 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 10:48:56,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:48:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:48:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:48:56,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 10:48:56,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 10:48:56,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 10:48:56,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 10:48:56,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 10:48:56,240 INFO L87 Difference]: Start difference. First operand 556 states and 1671 transitions. Second operand 8 states. [2018-12-09 10:48:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 10:48:56,333 INFO L93 Difference]: Finished difference Result 428 states and 1255 transitions. [2018-12-09 10:48:56,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 10:48:56,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-12-09 10:48:56,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 10:48:56,333 INFO L225 Difference]: With dead ends: 428 [2018-12-09 10:48:56,333 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 10:48:56,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-12-09 10:48:56,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 10:48:56,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 10:48:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 10:48:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 10:48:56,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2018-12-09 10:48:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 10:48:56,334 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 10:48:56,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 10:48:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 10:48:56,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:48:56,336 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 10:48:56,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:48:56 BasicIcfg [2018-12-09 10:48:56,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:48:56,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:48:56,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:48:56,338 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:48:56,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:48:55" (3/4) ... [2018-12-09 10:48:56,341 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:48:56,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-09 10:48:56,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-09 10:48:56,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-09 10:48:56,348 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 10:48:56,348 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 10:48:56,372 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_79ad6225-efa1-4a71-a2aa-6c8761db64d4/bin-2019/uautomizer/witness.graphml [2018-12-09 10:48:56,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:48:56,372 INFO L168 Benchmark]: Toolchain (without parser) took 1702.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -109.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:48:56,373 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:48:56,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:56,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:56,374 INFO L168 Benchmark]: Boogie Preprocessor took 13.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:48:56,374 INFO L168 Benchmark]: RCFGBuilder took 182.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:56,374 INFO L168 Benchmark]: TraceAbstraction took 1163.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 319.1 kB). Peak memory consumption was 319.1 kB. Max. memory is 11.5 GB. [2018-12-09 10:48:56,375 INFO L168 Benchmark]: Witness Printer took 34.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:48:56,376 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 182.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1163.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 319.1 kB). Peak memory consumption was 319.1 kB. Max. memory is 11.5 GB. * Witness Printer took 34.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 71 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 333 SDtfs, 472 SDslu, 879 SDs, 0 SdLazy, 117 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2385occurred in iteration=0, 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 15582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...