./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe017_tso.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_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/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 76149a61cc5865dda484bba829e2e62b466d8677 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:32:33,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:32:33,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:32:33,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:32:33,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:32:33,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:32:33,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:32:33,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:32:33,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:32:33,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:32:33,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:32:33,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:32:33,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:32:33,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:32:33,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:32:33,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:32:33,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:32:33,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:32:33,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:32:33,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:32:33,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:32:33,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:32:33,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:32:33,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:32:33,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:32:33,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:32:33,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:32:33,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:32:33,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:32:33,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:32:33,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:32:33,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:32:33,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:32:33,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:32:33,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:32:33,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:32:33,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:32:33,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:32:33,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:32:33,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:32:33,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:32:33,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:32:33,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:32:33,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:32:33,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:32:33,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:32:33,356 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:32:33,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:32:33,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:32:33,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:32:33,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:32:33,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:32:33,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:32:33,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:32:33,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:32:33,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:32:33,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:32:33,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:32:33,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:32:33,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:32:33,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:32:33,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:32:33,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:32:33,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:32:33,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:32:33,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:32:33,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:32:33,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:32:33,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:32:33,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:32:33,362 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_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/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 -> 76149a61cc5865dda484bba829e2e62b466d8677 [2019-11-15 23:32:33,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:32:33,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:32:33,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:32:33,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:32:33,400 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:32:33,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i [2019-11-15 23:32:33,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/data/e3ca72d24/ded0c2c4e1344611bf0d1f4ef08a010b/FLAGd4c853534 [2019-11-15 23:32:33,960 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:32:33,962 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/sv-benchmarks/c/pthread-wmm/safe017_tso.oepc.i [2019-11-15 23:32:33,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/data/e3ca72d24/ded0c2c4e1344611bf0d1f4ef08a010b/FLAGd4c853534 [2019-11-15 23:32:34,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/data/e3ca72d24/ded0c2c4e1344611bf0d1f4ef08a010b [2019-11-15 23:32:34,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:32:34,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:32:34,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:32:34,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:32:34,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:32:34,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:32:34" (1/1) ... [2019-11-15 23:32:34,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9126afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:34, skipping insertion in model container [2019-11-15 23:32:34,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:32:34" (1/1) ... [2019-11-15 23:32:34,488 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:32:34,526 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:32:34,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:32:34,886 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:32:34,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:32:35,010 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:32:35,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35 WrapperNode [2019-11-15 23:32:35,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:32:35,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:32:35,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:32:35,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:32:35,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:32:35,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:32:35,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:32:35,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:32:35,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... [2019-11-15 23:32:35,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:32:35,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:32:35,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:32:35,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:32:35,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/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 23:32:35,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:32:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:32:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:32:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:32:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:32:35,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:32:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:32:35,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:32:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 23:32:35,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 23:32:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:32:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:32:35,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:32:35,150 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 23:32:35,496 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:32:35,497 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:32:35,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:32:35 BoogieIcfgContainer [2019-11-15 23:32:35,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:32:35,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:32:35,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:32:35,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:32:35,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:32:34" (1/3) ... [2019-11-15 23:32:35,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186f4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:32:35, skipping insertion in model container [2019-11-15 23:32:35,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:32:35" (2/3) ... [2019-11-15 23:32:35,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186f4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:32:35, skipping insertion in model container [2019-11-15 23:32:35,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:32:35" (3/3) ... [2019-11-15 23:32:35,504 INFO L109 eAbstractionObserver]: Analyzing ICFG safe017_tso.oepc.i [2019-11-15 23:32:35,528 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,528 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,528 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,529 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,529 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,529 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,530 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,530 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,530 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,530 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,530 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,530 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,531 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,531 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,531 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,531 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,532 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,532 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:32:35,550 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:32:35,550 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:32:35,557 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:32:35,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:32:35,586 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:32:35,586 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:32:35,586 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:32:35,586 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:32:35,586 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:32:35,586 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:32:35,586 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:32:35,587 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:32:35,594 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 48 transitions [2019-11-15 23:32:35,672 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1245 states. [2019-11-15 23:32:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states. [2019-11-15 23:32:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-15 23:32:35,688 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:32:35,689 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] [2019-11-15 23:32:35,691 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:32:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:32:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash 157914977, now seen corresponding path program 1 times [2019-11-15 23:32:35,703 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:32:35,703 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041930279] [2019-11-15 23:32:35,704 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:35,704 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:35,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:32:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:32:36,034 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 23:32:36,035 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041930279] [2019-11-15 23:32:36,035 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:32:36,036 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:32:36,036 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510135643] [2019-11-15 23:32:36,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:32:36,044 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:32:36,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:32:36,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:32:36,057 INFO L87 Difference]: Start difference. First operand 1245 states. Second operand 4 states. [2019-11-15 23:32:36,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:32:36,167 INFO L93 Difference]: Finished difference Result 1292 states and 3958 transitions. [2019-11-15 23:32:36,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:32:36,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-11-15 23:32:36,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:32:36,195 INFO L225 Difference]: With dead ends: 1292 [2019-11-15 23:32:36,195 INFO L226 Difference]: Without dead ends: 598 [2019-11-15 23:32:36,197 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 23:32:36,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2019-11-15 23:32:36,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2019-11-15 23:32:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2019-11-15 23:32:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1773 transitions. [2019-11-15 23:32:36,285 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1773 transitions. Word has length 28 [2019-11-15 23:32:36,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:32:36,286 INFO L462 AbstractCegarLoop]: Abstraction has 598 states and 1773 transitions. [2019-11-15 23:32:36,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:32:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1773 transitions. [2019-11-15 23:32:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 23:32:36,290 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:32:36,290 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] [2019-11-15 23:32:36,290 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:32:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:32:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash -852556275, now seen corresponding path program 1 times [2019-11-15 23:32:36,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:32:36,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433462327] [2019-11-15 23:32:36,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:36,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:36,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:32:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:32:36,425 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 23:32:36,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433462327] [2019-11-15 23:32:36,425 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:32:36,426 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:32:36,426 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225425439] [2019-11-15 23:32:36,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:32:36,427 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:32:36,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:32:36,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:32:36,428 INFO L87 Difference]: Start difference. First operand 598 states and 1773 transitions. Second operand 5 states. [2019-11-15 23:32:36,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:32:36,601 INFO L93 Difference]: Finished difference Result 598 states and 1692 transitions. [2019-11-15 23:32:36,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:32:36,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-15 23:32:36,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:32:36,608 INFO L225 Difference]: With dead ends: 598 [2019-11-15 23:32:36,609 INFO L226 Difference]: Without dead ends: 535 [2019-11-15 23:32:36,609 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:32:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2019-11-15 23:32:36,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2019-11-15 23:32:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-11-15 23:32:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 1542 transitions. [2019-11-15 23:32:36,643 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 1542 transitions. Word has length 29 [2019-11-15 23:32:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:32:36,643 INFO L462 AbstractCegarLoop]: Abstraction has 535 states and 1542 transitions. [2019-11-15 23:32:36,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:32:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1542 transitions. [2019-11-15 23:32:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 23:32:36,645 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:32:36,646 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] [2019-11-15 23:32:36,646 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:32:36,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:32:36,646 INFO L82 PathProgramCache]: Analyzing trace with hash -458691492, now seen corresponding path program 1 times [2019-11-15 23:32:36,647 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:32:36,647 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109180636] [2019-11-15 23:32:36,647 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:36,647 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:36,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:32:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:32:36,759 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 23:32:36,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109180636] [2019-11-15 23:32:36,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:32:36,760 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:32:36,760 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152162637] [2019-11-15 23:32:36,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:32:36,761 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:32:36,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:32:36,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:32:36,761 INFO L87 Difference]: Start difference. First operand 535 states and 1542 transitions. Second operand 6 states. [2019-11-15 23:32:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:32:36,882 INFO L93 Difference]: Finished difference Result 400 states and 1056 transitions. [2019-11-15 23:32:36,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:32:36,882 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2019-11-15 23:32:36,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:32:36,885 INFO L225 Difference]: With dead ends: 400 [2019-11-15 23:32:36,885 INFO L226 Difference]: Without dead ends: 346 [2019-11-15 23:32:36,886 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 23:32:36,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-11-15 23:32:36,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2019-11-15 23:32:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2019-11-15 23:32:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 912 transitions. [2019-11-15 23:32:36,906 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 912 transitions. Word has length 30 [2019-11-15 23:32:36,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:32:36,906 INFO L462 AbstractCegarLoop]: Abstraction has 346 states and 912 transitions. [2019-11-15 23:32:36,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:32:36,907 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 912 transitions. [2019-11-15 23:32:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:32:36,908 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:32:36,908 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 23:32:36,909 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:32:36,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:32:36,909 INFO L82 PathProgramCache]: Analyzing trace with hash -200321398, now seen corresponding path program 1 times [2019-11-15 23:32:36,909 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:32:36,909 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660527321] [2019-11-15 23:32:36,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:36,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:36,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:32:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:32:37,063 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 23:32:37,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660527321] [2019-11-15 23:32:37,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:32:37,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:32:37,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677836080] [2019-11-15 23:32:37,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:32:37,064 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:32:37,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:32:37,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:32:37,065 INFO L87 Difference]: Start difference. First operand 346 states and 912 transitions. Second operand 6 states. [2019-11-15 23:32:37,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:32:37,165 INFO L93 Difference]: Finished difference Result 517 states and 1392 transitions. [2019-11-15 23:32:37,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:32:37,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 23:32:37,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:32:37,168 INFO L225 Difference]: With dead ends: 517 [2019-11-15 23:32:37,169 INFO L226 Difference]: Without dead ends: 274 [2019-11-15 23:32:37,169 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:32:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-11-15 23:32:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2019-11-15 23:32:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2019-11-15 23:32:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 723 transitions. [2019-11-15 23:32:37,181 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 723 transitions. Word has length 31 [2019-11-15 23:32:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:32:37,181 INFO L462 AbstractCegarLoop]: Abstraction has 274 states and 723 transitions. [2019-11-15 23:32:37,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:32:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 723 transitions. [2019-11-15 23:32:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:32:37,185 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:32:37,185 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 23:32:37,185 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:32:37,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:32:37,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1170547470, now seen corresponding path program 2 times [2019-11-15 23:32:37,186 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:32:37,186 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094894071] [2019-11-15 23:32:37,186 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:37,186 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:37,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:32:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:32:37,334 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 23:32:37,334 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094894071] [2019-11-15 23:32:37,334 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:32:37,335 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:32:37,335 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884389359] [2019-11-15 23:32:37,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:32:37,335 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:32:37,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:32:37,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:32:37,336 INFO L87 Difference]: Start difference. First operand 274 states and 723 transitions. Second operand 6 states. [2019-11-15 23:32:37,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:32:37,430 INFO L93 Difference]: Finished difference Result 436 states and 1182 transitions. [2019-11-15 23:32:37,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:32:37,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 23:32:37,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:32:37,433 INFO L225 Difference]: With dead ends: 436 [2019-11-15 23:32:37,433 INFO L226 Difference]: Without dead ends: 250 [2019-11-15 23:32:37,434 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:32:37,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-15 23:32:37,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2019-11-15 23:32:37,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-11-15 23:32:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 669 transitions. [2019-11-15 23:32:37,444 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 669 transitions. Word has length 31 [2019-11-15 23:32:37,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:32:37,446 INFO L462 AbstractCegarLoop]: Abstraction has 250 states and 669 transitions. [2019-11-15 23:32:37,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:32:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 669 transitions. [2019-11-15 23:32:37,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:32:37,451 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:32:37,451 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 23:32:37,451 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:32:37,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:32:37,451 INFO L82 PathProgramCache]: Analyzing trace with hash -525704446, now seen corresponding path program 3 times [2019-11-15 23:32:37,452 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:32:37,452 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140661950] [2019-11-15 23:32:37,452 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:37,453 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:32:37,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:32:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:32:37,606 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 23:32:37,607 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140661950] [2019-11-15 23:32:37,607 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:32:37,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:32:37,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99974972] [2019-11-15 23:32:37,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:32:37,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:32:37,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:32:37,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:32:37,608 INFO L87 Difference]: Start difference. First operand 250 states and 669 transitions. Second operand 8 states. [2019-11-15 23:32:37,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:32:37,706 INFO L93 Difference]: Finished difference Result 196 states and 507 transitions. [2019-11-15 23:32:37,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:32:37,706 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-11-15 23:32:37,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:32:37,707 INFO L225 Difference]: With dead ends: 196 [2019-11-15 23:32:37,707 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:32:37,707 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-15 23:32:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:32:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:32:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:32:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:32:37,708 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2019-11-15 23:32:37,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:32:37,709 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:32:37,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:32:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:32:37,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:32:37,712 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:32:37,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:32:37 BasicIcfg [2019-11-15 23:32:37,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:32:37,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:32:37,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:32:37,714 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:32:37,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:32:35" (3/4) ... [2019-11-15 23:32:37,718 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:32:37,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:32:37,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:32:37,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 23:32:37,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:32:37,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:32:37,781 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b7d9b2d7-b2b2-4cca-96b5-1b398fd29038/bin/uautomizer/witness.graphml [2019-11-15 23:32:37,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:32:37,783 INFO L168 Benchmark]: Toolchain (without parser) took 3309.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 939.4 MB in the beginning and 869.5 MB in the end (delta: 69.9 MB). Peak memory consumption was 204.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:32:37,783 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:32:37,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:32:37,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.28 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 23:32:37,785 INFO L168 Benchmark]: Boogie Preprocessor took 23.84 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:32:37,785 INFO L168 Benchmark]: RCFGBuilder took 425.69 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:32:37,787 INFO L168 Benchmark]: TraceAbstraction took 2215.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.5 MB in the end (delta: 200.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:32:37,792 INFO L168 Benchmark]: Witness Printer took 66.86 ms. Allocated memory is still 1.2 GB. Free memory is still 869.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:32:37,794 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 537.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.28 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 23.84 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 425.69 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2215.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 869.5 MB in the end (delta: 200.3 MB). Peak memory consumption was 200.3 MB. Max. memory is 11.5 GB. * Witness Printer took 66.86 ms. Allocated memory is still 1.2 GB. Free memory is still 869.5 MB. There was no memory consumed. 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, 63 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 273 SDtfs, 309 SDslu, 666 SDs, 0 SdLazy, 96 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1245occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 14118 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...