./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe017_tso.opt_true-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_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe017_tso.opt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/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 69001bbd31af67c0515525916b00925e356b0415 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:31:19,989 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:31:19,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:31:19,999 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:31:19,999 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:31:20,000 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:31:20,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:31:20,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:31:20,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:31:20,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:31:20,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:31:20,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:31:20,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:31:20,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:31:20,005 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:31:20,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:31:20,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:31:20,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:31:20,008 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:31:20,009 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:31:20,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:31:20,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:31:20,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:31:20,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:31:20,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:31:20,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:31:20,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:31:20,013 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:31:20,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:31:20,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:31:20,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:31:20,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:31:20,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:31:20,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:31:20,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:31:20,017 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:31:20,017 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:31:20,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:31:20,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:31:20,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:31:20,028 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:31:20,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:31:20,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:31:20,028 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:31:20,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:31:20,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:31:20,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:31:20,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:31:20,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:31:20,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:31:20,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:31:20,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:31:20,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:31:20,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:31:20,030 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:31:20,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:31:20,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:31:20,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:31:20,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:31:20,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:31:20,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:31:20,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:31:20,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:31:20,031 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:31:20,031 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:31:20,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:31:20,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:31:20,032 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_ba733899-da73-4019-9ac8-1e8a12d7240a/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 -> 69001bbd31af67c0515525916b00925e356b0415 [2018-11-23 08:31:20,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:31:20,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:31:20,066 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:31:20,068 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:31:20,068 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:31:20,068 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe017_tso.opt_true-unreach-call.i [2018-11-23 08:31:20,111 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/data/91b876f46/e2b493a671154f3dbdf93427c75737ba/FLAGe918c5d76 [2018-11-23 08:31:20,559 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:31:20,559 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/sv-benchmarks/c/pthread-wmm/safe017_tso.opt_true-unreach-call.i [2018-11-23 08:31:20,566 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/data/91b876f46/e2b493a671154f3dbdf93427c75737ba/FLAGe918c5d76 [2018-11-23 08:31:20,575 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/data/91b876f46/e2b493a671154f3dbdf93427c75737ba [2018-11-23 08:31:20,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:31:20,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:31:20,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:31:20,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:31:20,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:31:20,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa062a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20, skipping insertion in model container [2018-11-23 08:31:20,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:31:20,624 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:31:20,833 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:31:20,840 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:31:20,912 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:31:20,946 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:31:20,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20 WrapperNode [2018-11-23 08:31:20,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:31:20,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:31:20,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:31:20,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:31:20,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:31:20,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:31:20,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:31:20,976 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:31:20,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... [2018-11-23 08:31:20,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:31:20,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:31:20,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:31:20,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:31:20,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/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 [2018-11-23 08:31:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:31:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:31:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-23 08:31:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:31:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-23 08:31:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-23 08:31:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-23 08:31:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-23 08:31:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-23 08:31:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-23 08:31:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-23 08:31:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:31:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:31:21,030 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 08:31:21,189 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:31:21,189 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 08:31:21,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:21 BoogieIcfgContainer [2018-11-23 08:31:21,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:31:21,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:31:21,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:31:21,192 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:31:21,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:20" (1/3) ... [2018-11-23 08:31:21,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74916624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:21, skipping insertion in model container [2018-11-23 08:31:21,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:20" (2/3) ... [2018-11-23 08:31:21,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74916624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:21, skipping insertion in model container [2018-11-23 08:31:21,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:21" (3/3) ... [2018-11-23 08:31:21,194 INFO L112 eAbstractionObserver]: Analyzing ICFG safe017_tso.opt_true-unreach-call.i [2018-11-23 08:31:21,218 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,219 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,219 WARN L317 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,219 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,220 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,220 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,220 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,220 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,220 WARN L317 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,221 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,221 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,221 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,221 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,221 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,221 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,223 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,223 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 08:31:21,242 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 08:31:21,242 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:31:21,247 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:31:21,257 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:31:21,274 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:31:21,274 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:31:21,274 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:31:21,274 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:31:21,274 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:31:21,274 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:31:21,275 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:31:21,275 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:31:21,275 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:31:21,281 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54places, 51 transitions [2018-11-23 08:31:21,350 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2383 states. [2018-11-23 08:31:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states. [2018-11-23 08:31:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 08:31:21,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:21,364 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] [2018-11-23 08:31:21,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:21,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:21,370 INFO L82 PathProgramCache]: Analyzing trace with hash -96387719, now seen corresponding path program 1 times [2018-11-23 08:31:21,371 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:31:21,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:31:21,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:21,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:21,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:31:21,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:21,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:31:21,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:31:21,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:31:21,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:31:21,573 INFO L87 Difference]: Start difference. First operand 2383 states. Second operand 4 states. [2018-11-23 08:31:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:21,668 INFO L93 Difference]: Finished difference Result 2491 states and 8067 transitions. [2018-11-23 08:31:21,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:31:21,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-11-23 08:31:21,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:21,688 INFO L225 Difference]: With dead ends: 2491 [2018-11-23 08:31:21,688 INFO L226 Difference]: Without dead ends: 1126 [2018-11-23 08:31:21,690 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 [2018-11-23 08:31:21,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2018-11-23 08:31:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1126. [2018-11-23 08:31:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2018-11-23 08:31:21,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 3556 transitions. [2018-11-23 08:31:21,767 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 3556 transitions. Word has length 28 [2018-11-23 08:31:21,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:21,768 INFO L480 AbstractCegarLoop]: Abstraction has 1126 states and 3556 transitions. [2018-11-23 08:31:21,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:31:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 3556 transitions. [2018-11-23 08:31:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 08:31:21,770 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:21,770 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] [2018-11-23 08:31:21,771 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:21,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:21,771 INFO L82 PathProgramCache]: Analyzing trace with hash -180410605, now seen corresponding path program 1 times [2018-11-23 08:31:21,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:31:21,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:31:21,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:21,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:21,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:31:21,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:21,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:31:21,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:31:21,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:31:21,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:31:21,859 INFO L87 Difference]: Start difference. First operand 1126 states and 3556 transitions. Second operand 5 states. [2018-11-23 08:31:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:21,919 INFO L93 Difference]: Finished difference Result 1166 states and 3550 transitions. [2018-11-23 08:31:21,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:31:21,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-11-23 08:31:21,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:21,924 INFO L225 Difference]: With dead ends: 1166 [2018-11-23 08:31:21,925 INFO L226 Difference]: Without dead ends: 1042 [2018-11-23 08:31:21,925 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 [2018-11-23 08:31:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2018-11-23 08:31:21,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042. [2018-11-23 08:31:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2018-11-23 08:31:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 3241 transitions. [2018-11-23 08:31:21,944 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 3241 transitions. Word has length 29 [2018-11-23 08:31:21,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:21,945 INFO L480 AbstractCegarLoop]: Abstraction has 1042 states and 3241 transitions. [2018-11-23 08:31:21,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:31:21,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 3241 transitions. [2018-11-23 08:31:21,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 08:31:21,947 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:21,947 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] [2018-11-23 08:31:21,947 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:21,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:21,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1508223209, now seen corresponding path program 1 times [2018-11-23 08:31:21,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:31:21,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:31:21,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:21,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:21,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:31:22,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:22,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:31:22,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:31:22,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:31:22,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:31:22,030 INFO L87 Difference]: Start difference. First operand 1042 states and 3241 transitions. Second operand 6 states. [2018-11-23 08:31:22,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:22,094 INFO L93 Difference]: Finished difference Result 818 states and 2377 transitions. [2018-11-23 08:31:22,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:31:22,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-11-23 08:31:22,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:22,097 INFO L225 Difference]: With dead ends: 818 [2018-11-23 08:31:22,098 INFO L226 Difference]: Without dead ends: 706 [2018-11-23 08:31:22,098 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 [2018-11-23 08:31:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-11-23 08:31:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2018-11-23 08:31:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2018-11-23 08:31:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2065 transitions. [2018-11-23 08:31:22,111 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2065 transitions. Word has length 30 [2018-11-23 08:31:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:22,111 INFO L480 AbstractCegarLoop]: Abstraction has 706 states and 2065 transitions. [2018-11-23 08:31:22,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:31:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2065 transitions. [2018-11-23 08:31:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 08:31:22,113 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:22,113 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] [2018-11-23 08:31:22,113 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:22,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:22,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1020559073, now seen corresponding path program 1 times [2018-11-23 08:31:22,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:31:22,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:31:22,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:22,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:22,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:31:22,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:22,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:31:22,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:31:22,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:31:22,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:31:22,200 INFO L87 Difference]: Start difference. First operand 706 states and 2065 transitions. Second operand 7 states. [2018-11-23 08:31:22,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:22,377 INFO L93 Difference]: Finished difference Result 1954 states and 5857 transitions. [2018-11-23 08:31:22,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 08:31:22,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-23 08:31:22,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:22,381 INFO L225 Difference]: With dead ends: 1954 [2018-11-23 08:31:22,381 INFO L226 Difference]: Without dead ends: 670 [2018-11-23 08:31:22,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2018-11-23 08:31:22,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2018-11-23 08:31:22,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2018-11-23 08:31:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2018-11-23 08:31:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1957 transitions. [2018-11-23 08:31:22,399 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1957 transitions. Word has length 31 [2018-11-23 08:31:22,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:22,400 INFO L480 AbstractCegarLoop]: Abstraction has 670 states and 1957 transitions. [2018-11-23 08:31:22,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:31:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1957 transitions. [2018-11-23 08:31:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 08:31:22,401 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:22,402 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] [2018-11-23 08:31:22,402 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:22,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:22,402 INFO L82 PathProgramCache]: Analyzing trace with hash 862008853, now seen corresponding path program 2 times [2018-11-23 08:31:22,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:31:22,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:31:22,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:22,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:31:22,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:22,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:31:22,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:22,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:31:22,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:31:22,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:31:22,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:31:22,498 INFO L87 Difference]: Start difference. First operand 670 states and 1957 transitions. Second operand 7 states. [2018-11-23 08:31:22,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:22,721 INFO L93 Difference]: Finished difference Result 1054 states and 3141 transitions. [2018-11-23 08:31:22,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:31:22,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-11-23 08:31:22,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:22,728 INFO L225 Difference]: With dead ends: 1054 [2018-11-23 08:31:22,728 INFO L226 Difference]: Without dead ends: 554 [2018-11-23 08:31:22,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:31:22,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-23 08:31:22,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-11-23 08:31:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-23 08:31:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 1669 transitions. [2018-11-23 08:31:22,743 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 1669 transitions. Word has length 31 [2018-11-23 08:31:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:22,743 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 1669 transitions. [2018-11-23 08:31:22,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:31:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1669 transitions. [2018-11-23 08:31:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 08:31:22,745 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:31:22,745 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] [2018-11-23 08:31:22,745 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:31:22,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:31:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1509348813, now seen corresponding path program 3 times [2018-11-23 08:31:22,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:31:22,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:31:22,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:22,748 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 08:31:22,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:31:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:31:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:31:22,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:31:22,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 08:31:22,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 08:31:22,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 08:31:22,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:31:22,903 INFO L87 Difference]: Start difference. First operand 554 states and 1669 transitions. Second operand 11 states. [2018-11-23 08:31:23,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:31:23,066 INFO L93 Difference]: Finished difference Result 426 states and 1253 transitions. [2018-11-23 08:31:23,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 08:31:23,066 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-11-23 08:31:23,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:31:23,069 INFO L225 Difference]: With dead ends: 426 [2018-11-23 08:31:23,069 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:31:23,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-11-23 08:31:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:31:23,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:31:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:31:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:31:23,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-11-23 08:31:23,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:31:23,070 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:31:23,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 08:31:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:31:23,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:31:23,073 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-23 08:31:23,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:31:23 BasicIcfg [2018-11-23 08:31:23,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:31:23,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:31:23,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:31:23,074 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:31:23,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:21" (3/4) ... [2018-11-23 08:31:23,077 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:31:23,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-11-23 08:31:23,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-11-23 08:31:23,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-11-23 08:31:23,084 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-23 08:31:23,085 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:31:23,112 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba733899-da73-4019-9ac8-1e8a12d7240a/bin-2019/uautomizer/witness.graphml [2018-11-23 08:31:23,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:31:23,113 INFO L168 Benchmark]: Toolchain (without parser) took 2535.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -109.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:23,114 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:31:23,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:23,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:23,115 INFO L168 Benchmark]: Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:23,115 INFO L168 Benchmark]: RCFGBuilder took 196.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:23,116 INFO L168 Benchmark]: TraceAbstraction took 1884.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:23,116 INFO L168 Benchmark]: Witness Printer took 38.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:31:23,118 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 196.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1884.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Witness Printer took 38.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 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, 69 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 351 SDtfs, 512 SDslu, 1170 SDs, 0 SdLazy, 150 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2383occurred 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, 0.5s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 15396 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...