./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe037_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe037_rmo.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/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 670b5a25645501a08fec90d42e7c353d05a2efba ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:00:41,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:00:41,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:00:41,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:00:41,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:00:41,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:00:41,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:00:41,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:00:41,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:00:41,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:00:41,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:00:41,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:00:41,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:00:41,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:00:41,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:00:41,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:00:41,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:00:41,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:00:41,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:00:41,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:00:41,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:00:41,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:00:41,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:00:41,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:00:41,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:00:41,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:00:41,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:00:41,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:00:41,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:00:41,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:00:41,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:00:41,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:00:41,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:00:41,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:00:41,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:00:41,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:00:41,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:00:41,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:00:41,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:00:41,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:00:41,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:00:41,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:00:41,345 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:00:41,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:00:41,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:00:41,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:00:41,347 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:00:41,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:00:41,347 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:00:41,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:00:41,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:00:41,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:00:41,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:00:41,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:00:41,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:00:41,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:00:41,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:00:41,349 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:00:41,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:00:41,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:00:41,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:00:41,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:00:41,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:00:41,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:00:41,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:00:41,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:00:41,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:00:41,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:00:41,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:00:41,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:00:41,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/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 -> 670b5a25645501a08fec90d42e7c353d05a2efba [2019-11-15 22:00:41,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:00:41,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:00:41,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:00:41,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:00:41,427 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:00:41,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe037_rmo.oepc.i [2019-11-15 22:00:41,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/data/bdee6e1f5/a08ead7e7165499d829e62da589c0008/FLAGcdb1c6776 [2019-11-15 22:00:42,078 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:00:42,080 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/sv-benchmarks/c/pthread-wmm/safe037_rmo.oepc.i [2019-11-15 22:00:42,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/data/bdee6e1f5/a08ead7e7165499d829e62da589c0008/FLAGcdb1c6776 [2019-11-15 22:00:42,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/data/bdee6e1f5/a08ead7e7165499d829e62da589c0008 [2019-11-15 22:00:42,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:00:42,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:00:42,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:00:42,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:00:42,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:00:42,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:00:42" (1/1) ... [2019-11-15 22:00:42,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d458b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:42, skipping insertion in model container [2019-11-15 22:00:42,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:00:42" (1/1) ... [2019-11-15 22:00:42,432 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:00:42,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:00:42,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:00:43,005 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:00:43,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:00:43,150 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:00:43,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43 WrapperNode [2019-11-15 22:00:43,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:00:43,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:00:43,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:00:43,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:00:43,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:00:43,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:00:43,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:00:43,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:00:43,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... [2019-11-15 22:00:43,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:00:43,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:00:43,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:00:43,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:00:43,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/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 [2019-11-15 22:00:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:00:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 22:00:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:00:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:00:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 22:00:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 22:00:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 22:00:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 22:00:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 22:00:43,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 22:00:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 22:00:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:00:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:00:43,295 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 22:00:43,627 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:00:43,627 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 22:00:43,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:00:43 BoogieIcfgContainer [2019-11-15 22:00:43,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:00:43,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:00:43,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:00:43,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:00:43,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:00:42" (1/3) ... [2019-11-15 22:00:43,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bea986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:00:43, skipping insertion in model container [2019-11-15 22:00:43,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:00:43" (2/3) ... [2019-11-15 22:00:43,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bea986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:00:43, skipping insertion in model container [2019-11-15 22:00:43,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:00:43" (3/3) ... [2019-11-15 22:00:43,634 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_rmo.oepc.i [2019-11-15 22:00:43,665 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,665 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,666 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,666 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,666 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,666 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,667 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,667 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,667 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,667 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,667 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,667 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,668 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,668 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,668 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,668 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,669 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,669 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 22:00:43,679 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 22:00:43,679 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:00:43,687 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:00:43,698 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:00:43,717 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:00:43,717 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:00:43,717 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:00:43,717 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:00:43,718 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:00:43,718 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:00:43,718 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:00:43,718 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:00:43,728 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions [2019-11-15 22:00:43,801 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-11-15 22:00:43,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-11-15 22:00:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 22:00:43,818 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:00:43,819 INFO L380 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] [2019-11-15 22:00:43,821 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:00:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:00:43,826 INFO L82 PathProgramCache]: Analyzing trace with hash 781262921, now seen corresponding path program 1 times [2019-11-15 22:00:43,834 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:00:43,835 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625354225] [2019-11-15 22:00:43,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:43,835 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:43,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:00:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:00:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:00:44,169 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625354225] [2019-11-15 22:00:44,170 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:00:44,170 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 22:00:44,170 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853852837] [2019-11-15 22:00:44,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:00:44,174 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:00:44,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:00:44,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:00:44,192 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-11-15 22:00:44,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:00:44,323 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-11-15 22:00:44,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:00:44,325 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-15 22:00:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:00:44,346 INFO L225 Difference]: With dead ends: 1295 [2019-11-15 22:00:44,347 INFO L226 Difference]: Without dead ends: 601 [2019-11-15 22:00:44,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:00:44,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-11-15 22:00:44,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-11-15 22:00:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-11-15 22:00:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-11-15 22:00:44,438 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-11-15 22:00:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:00:44,439 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-11-15 22:00:44,439 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:00:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-11-15 22:00:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 22:00:44,442 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:00:44,443 INFO L380 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] [2019-11-15 22:00:44,443 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:00:44,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:00:44,443 INFO L82 PathProgramCache]: Analyzing trace with hash 455159324, now seen corresponding path program 1 times [2019-11-15 22:00:44,444 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:00:44,444 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023827311] [2019-11-15 22:00:44,444 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:44,444 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:44,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:00:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:00:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:00:44,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023827311] [2019-11-15 22:00:44,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:00:44,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:00:44,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211259386] [2019-11-15 22:00:44,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 22:00:44,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:00:44,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 22:00:44,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 22:00:44,555 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-11-15 22:00:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:00:44,630 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-11-15 22:00:44,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 22:00:44,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-15 22:00:44,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:00:44,636 INFO L225 Difference]: With dead ends: 601 [2019-11-15 22:00:44,637 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 22:00:44,638 INFO L600 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 [2019-11-15 22:00:44,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 22:00:44,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 22:00:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 22:00:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-11-15 22:00:44,680 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-11-15 22:00:44,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:00:44,680 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-11-15 22:00:44,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 22:00:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-11-15 22:00:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-15 22:00:44,692 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:00:44,693 INFO L380 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] [2019-11-15 22:00:44,693 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:00:44,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:00:44,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2071413958, now seen corresponding path program 1 times [2019-11-15 22:00:44,694 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:00:44,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125654089] [2019-11-15 22:00:44,695 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:44,695 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:44,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:00:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:00:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:00:44,863 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125654089] [2019-11-15 22:00:44,863 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:00:44,863 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 22:00:44,863 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042427321] [2019-11-15 22:00:44,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 22:00:44,864 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:00:44,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:00:44,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:00:44,864 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-11-15 22:00:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:00:44,948 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-11-15 22:00:44,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:00:44,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-15 22:00:44,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:00:44,952 INFO L225 Difference]: With dead ends: 403 [2019-11-15 22:00:44,952 INFO L226 Difference]: Without dead ends: 349 [2019-11-15 22:00:44,953 INFO L600 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 [2019-11-15 22:00:44,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-11-15 22:00:44,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-11-15 22:00:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-15 22:00:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-11-15 22:00:44,967 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-11-15 22:00:44,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:00:44,967 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-11-15 22:00:44,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 22:00:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-11-15 22:00:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:00:44,969 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:00:44,969 INFO L380 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, 1] [2019-11-15 22:00:44,970 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:00:44,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:00:44,970 INFO L82 PathProgramCache]: Analyzing trace with hash 827274722, now seen corresponding path program 1 times [2019-11-15 22:00:44,970 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:00:44,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909318114] [2019-11-15 22:00:44,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:44,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:44,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:00:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:00:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:00:45,158 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909318114] [2019-11-15 22:00:45,159 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:00:45,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 22:00:45,159 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569464065] [2019-11-15 22:00:45,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 22:00:45,160 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:00:45,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 22:00:45,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-15 22:00:45,160 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 8 states. [2019-11-15 22:00:45,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:00:45,312 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-11-15 22:00:45,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:00:45,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-15 22:00:45,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:00:45,315 INFO L225 Difference]: With dead ends: 556 [2019-11-15 22:00:45,316 INFO L226 Difference]: Without dead ends: 325 [2019-11-15 22:00:45,316 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-15 22:00:45,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-15 22:00:45,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2019-11-15 22:00:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-11-15 22:00:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-11-15 22:00:45,329 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-11-15 22:00:45,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:00:45,329 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-11-15 22:00:45,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 22:00:45,329 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-11-15 22:00:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:00:45,331 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:00:45,331 INFO L380 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, 1] [2019-11-15 22:00:45,331 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:00:45,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:00:45,331 INFO L82 PathProgramCache]: Analyzing trace with hash -606700324, now seen corresponding path program 2 times [2019-11-15 22:00:45,332 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:00:45,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838436709] [2019-11-15 22:00:45,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:45,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:45,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:00:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:00:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:00:45,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838436709] [2019-11-15 22:00:45,488 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:00:45,489 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:00:45,489 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728466181] [2019-11-15 22:00:45,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:00:45,490 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:00:45,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:00:45,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:00:45,490 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 7 states. [2019-11-15 22:00:45,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:00:45,696 INFO L93 Difference]: Finished difference Result 496 states and 1326 transitions. [2019-11-15 22:00:45,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:00:45,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 22:00:45,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:00:45,702 INFO L225 Difference]: With dead ends: 496 [2019-11-15 22:00:45,702 INFO L226 Difference]: Without dead ends: 289 [2019-11-15 22:00:45,702 INFO L600 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 [2019-11-15 22:00:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2019-11-15 22:00:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 280. [2019-11-15 22:00:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-11-15 22:00:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 726 transitions. [2019-11-15 22:00:45,714 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 726 transitions. Word has length 34 [2019-11-15 22:00:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:00:45,715 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 726 transitions. [2019-11-15 22:00:45,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:00:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 726 transitions. [2019-11-15 22:00:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-15 22:00:45,720 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:00:45,720 INFO L380 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, 1] [2019-11-15 22:00:45,720 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:00:45,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:00:45,721 INFO L82 PathProgramCache]: Analyzing trace with hash -283564964, now seen corresponding path program 3 times [2019-11-15 22:00:45,721 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:00:45,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138418274] [2019-11-15 22:00:45,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:45,722 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:00:45,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:00:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:00:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:00:45,905 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138418274] [2019-11-15 22:00:45,906 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:00:45,906 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 22:00:45,906 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959720568] [2019-11-15 22:00:45,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 22:00:45,907 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:00:45,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 22:00:45,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:00:45,907 INFO L87 Difference]: Start difference. First operand 280 states and 726 transitions. Second operand 7 states. [2019-11-15 22:00:46,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:00:46,055 INFO L93 Difference]: Finished difference Result 226 states and 564 transitions. [2019-11-15 22:00:46,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 22:00:46,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-15 22:00:46,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:00:46,056 INFO L225 Difference]: With dead ends: 226 [2019-11-15 22:00:46,056 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:00:46,056 INFO L600 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 [2019-11-15 22:00:46,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:00:46,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:00:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:00:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:00:46,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-15 22:00:46,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:00:46,057 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:00:46,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 22:00:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:00:46,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:00:46,060 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 22:00:46,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:00:46 BasicIcfg [2019-11-15 22:00:46,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:00:46,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:00:46,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:00:46,062 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:00:46,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:00:43" (3/4) ... [2019-11-15 22:00:46,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:00:46,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 22:00:46,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 22:00:46,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 22:00:46,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 22:00:46,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 22:00:46,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_430539b7-3254-491b-a851-02f5a7fe5bba/bin/uautomizer/witness.graphml [2019-11-15 22:00:46,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:00:46,166 INFO L168 Benchmark]: Toolchain (without parser) took 3750.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 845.1 MB in the end (delta: 99.7 MB). Peak memory consumption was 232.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:00:46,170 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:00:46,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:00:46,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:00:46,171 INFO L168 Benchmark]: Boogie Preprocessor took 28.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:00:46,172 INFO L168 Benchmark]: RCFGBuilder took 394.22 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: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:00:46,178 INFO L168 Benchmark]: TraceAbstraction took 2433.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.1 MB in the end (delta: 219.4 MB). Peak memory consumption was 219.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:00:46,178 INFO L168 Benchmark]: Witness Printer took 101.43 ms. Allocated memory is still 1.2 GB. Free memory was 852.1 MB in the beginning and 845.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:00:46,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 736.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 394.22 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: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2433.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.1 MB in the end (delta: 219.4 MB). Peak memory consumption was 219.4 MB. Max. memory is 11.5 GB. * Witness Printer took 101.43 ms. Allocated memory is still 1.2 GB. Free memory was 852.1 MB in the beginning and 845.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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, 66 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 320 SDtfs, 364 SDslu, 919 SDs, 0 SdLazy, 120 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 17700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...