./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.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_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/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 63c908dc16e268ba3879104025f403c0a306c18f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:37:37,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:37:37,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:37:37,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:37:37,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:37:37,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:37:37,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:37:37,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:37:37,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:37:37,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:37:37,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:37:37,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:37:37,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:37:37,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:37:37,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:37:37,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:37:37,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:37:37,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:37:37,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:37:37,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:37:37,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:37:37,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:37:37,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:37:37,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:37:37,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:37:37,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:37:37,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:37:37,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:37:37,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:37:37,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:37:37,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:37:37,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:37:37,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:37:37,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:37:37,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:37:37,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:37:37,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:37:37,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:37:37,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:37:37,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:37:37,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:37:37,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:37:37,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:37:37,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:37:37,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:37:37,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:37:37,576 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:37:37,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:37:37,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:37:37,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:37:37,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:37:37,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:37:37,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:37:37,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:37:37,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:37:37,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:37:37,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:37:37,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:37:37,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:37:37,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:37:37,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:37:37,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:37:37,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:37:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:37:37,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:37:37,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:37:37,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:37:37,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:37:37,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:37:37,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:37:37,584 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_7ac0b2be-4c85-47ee-8645-abdb428c86e8/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 -> 63c908dc16e268ba3879104025f403c0a306c18f [2019-11-15 23:37:37,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:37:37,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:37:37,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:37:37,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:37:37,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:37:37,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-11-15 23:37:37,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/data/4f2fcd516/0a818f788f314dcdba5df356dee91627/FLAGcd6183cd2 [2019-11-15 23:37:38,191 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:37:38,192 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/sv-benchmarks/c/pthread-wmm/safe001_tso.opt.i [2019-11-15 23:37:38,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/data/4f2fcd516/0a818f788f314dcdba5df356dee91627/FLAGcd6183cd2 [2019-11-15 23:37:38,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/data/4f2fcd516/0a818f788f314dcdba5df356dee91627 [2019-11-15 23:37:38,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:37:38,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:37:38,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:37:38,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:37:38,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:37:38,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:37:38" (1/1) ... [2019-11-15 23:37:38,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4544c513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:38, skipping insertion in model container [2019-11-15 23:37:38,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:37:38" (1/1) ... [2019-11-15 23:37:38,725 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:37:38,779 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:37:39,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:37:39,263 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:37:39,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:37:39,384 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:37:39,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39 WrapperNode [2019-11-15 23:37:39,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:37:39,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:37:39,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:37:39,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:37:39,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:37:39,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:37:39,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:37:39,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:37:39,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... [2019-11-15 23:37:39,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:37:39,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:37:39,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:37:39,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:37:39,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/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 23:37:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:37:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:37:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:37:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:37:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:37:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:37:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:37:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:37:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 23:37:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 23:37:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:37:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:37:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:37:39,520 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 23:37:39,810 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:37:39,810 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:37:39,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:37:39 BoogieIcfgContainer [2019-11-15 23:37:39,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:37:39,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:37:39,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:37:39,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:37:39,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:37:38" (1/3) ... [2019-11-15 23:37:39,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:37:39, skipping insertion in model container [2019-11-15 23:37:39,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:37:39" (2/3) ... [2019-11-15 23:37:39,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1570e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:37:39, skipping insertion in model container [2019-11-15 23:37:39,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:37:39" (3/3) ... [2019-11-15 23:37:39,819 INFO L109 eAbstractionObserver]: Analyzing ICFG safe001_tso.opt.i [2019-11-15 23:37:39,848 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,849 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,849 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,849 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,849 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,850 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,850 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,850 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,851 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,851 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,851 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,851 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,852 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,852 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,852 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,852 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,853 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,853 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:37:39,863 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:37:39,863 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:37:39,870 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:37:39,880 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:37:39,896 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:37:39,896 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:37:39,897 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:37:39,897 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:37:39,897 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:37:39,897 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:37:39,897 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:37:39,897 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:37:39,905 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions [2019-11-15 23:37:39,986 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-15 23:37:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-15 23:37:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 23:37:40,003 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:37:40,004 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 23:37:40,005 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:37:40,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:40,011 INFO L82 PathProgramCache]: Analyzing trace with hash -857348024, now seen corresponding path program 1 times [2019-11-15 23:37:40,018 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:40,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164755519] [2019-11-15 23:37:40,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:40,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:40,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:40,326 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 23:37:40,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164755519] [2019-11-15 23:37:40,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:37:40,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:37:40,328 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172912136] [2019-11-15 23:37:40,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:37:40,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:37:40,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:37:40,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:37:40,348 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-15 23:37:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:37:40,449 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-15 23:37:40,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:37:40,454 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-15 23:37:40,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:37:40,490 INFO L225 Difference]: With dead ends: 1293 [2019-11-15 23:37:40,490 INFO L226 Difference]: Without dead ends: 599 [2019-11-15 23:37:40,491 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:37:40,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-15 23:37:40,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-15 23:37:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-15 23:37:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-15 23:37:40,576 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-15 23:37:40,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:37:40,577 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-15 23:37:40,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:37:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-15 23:37:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 23:37:40,580 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:37:40,580 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 23:37:40,581 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:37:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:40,581 INFO L82 PathProgramCache]: Analyzing trace with hash -809007092, now seen corresponding path program 1 times [2019-11-15 23:37:40,581 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:40,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559719519] [2019-11-15 23:37:40,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:40,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:40,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:40,732 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 23:37:40,732 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559719519] [2019-11-15 23:37:40,732 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:37:40,732 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:37:40,732 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114567719] [2019-11-15 23:37:40,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:37:40,734 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:37:40,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:37:40,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:37:40,734 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-15 23:37:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:37:40,804 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-15 23:37:40,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:37:40,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 23:37:40,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:37:40,814 INFO L225 Difference]: With dead ends: 599 [2019-11-15 23:37:40,814 INFO L226 Difference]: Without dead ends: 536 [2019-11-15 23:37:40,815 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 23:37:40,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-15 23:37:40,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-15 23:37:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-15 23:37:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-15 23:37:40,859 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-15 23:37:40,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:37:40,860 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-15 23:37:40,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:37:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-15 23:37:40,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:37:40,873 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:37:40,873 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 23:37:40,873 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:37:40,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:40,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1329129682, now seen corresponding path program 1 times [2019-11-15 23:37:40,874 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:40,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192912848] [2019-11-15 23:37:40,875 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:40,875 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:40,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:41,042 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 23:37:41,042 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192912848] [2019-11-15 23:37:41,042 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:37:41,042 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:37:41,043 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994867734] [2019-11-15 23:37:41,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:37:41,043 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:37:41,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:37:41,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:37:41,044 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-15 23:37:41,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:37:41,151 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-15 23:37:41,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:37:41,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 23:37:41,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:37:41,154 INFO L225 Difference]: With dead ends: 401 [2019-11-15 23:37:41,155 INFO L226 Difference]: Without dead ends: 347 [2019-11-15 23:37:41,155 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 23:37:41,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-15 23:37:41,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-15 23:37:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-15 23:37:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-15 23:37:41,167 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-15 23:37:41,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:37:41,167 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-15 23:37:41,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:37:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-15 23:37:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:37:41,169 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:37:41,169 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 23:37:41,169 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:37:41,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:41,170 INFO L82 PathProgramCache]: Analyzing trace with hash -2041570769, now seen corresponding path program 1 times [2019-11-15 23:37:41,170 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:41,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977843965] [2019-11-15 23:37:41,170 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:41,170 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:41,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:41,363 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 23:37:41,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977843965] [2019-11-15 23:37:41,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:37:41,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:37:41,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580762731] [2019-11-15 23:37:41,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:37:41,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:37:41,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:37:41,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:37:41,365 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 8 states. [2019-11-15 23:37:41,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:37:41,611 INFO L93 Difference]: Finished difference Result 680 states and 1852 transitions. [2019-11-15 23:37:41,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-15 23:37:41,612 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-11-15 23:37:41,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:37:41,615 INFO L225 Difference]: With dead ends: 680 [2019-11-15 23:37:41,615 INFO L226 Difference]: Without dead ends: 326 [2019-11-15 23:37:41,617 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-11-15 23:37:41,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-15 23:37:41,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2019-11-15 23:37:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-11-15 23:37:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 856 transitions. [2019-11-15 23:37:41,630 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 856 transitions. Word has length 32 [2019-11-15 23:37:41,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:37:41,631 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 856 transitions. [2019-11-15 23:37:41,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:37:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 856 transitions. [2019-11-15 23:37:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:37:41,635 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:37:41,635 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 23:37:41,635 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:37:41,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:41,636 INFO L82 PathProgramCache]: Analyzing trace with hash 19289033, now seen corresponding path program 2 times [2019-11-15 23:37:41,636 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:41,636 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842947754] [2019-11-15 23:37:41,636 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:41,637 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:41,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:41,778 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 23:37:41,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842947754] [2019-11-15 23:37:41,778 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:37:41,778 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-15 23:37:41,779 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839468336] [2019-11-15 23:37:41,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 23:37:41,779 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:37:41,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 23:37:41,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:37:41,780 INFO L87 Difference]: Start difference. First operand 326 states and 856 transitions. Second operand 8 states. [2019-11-15 23:37:41,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:37:41,918 INFO L93 Difference]: Finished difference Result 533 states and 1420 transitions. [2019-11-15 23:37:41,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-15 23:37:41,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-11-15 23:37:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:37:41,922 INFO L225 Difference]: With dead ends: 533 [2019-11-15 23:37:41,922 INFO L226 Difference]: Without dead ends: 299 [2019-11-15 23:37:41,922 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 23:37:41,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2019-11-15 23:37:41,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2019-11-15 23:37:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2019-11-15 23:37:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 790 transitions. [2019-11-15 23:37:41,936 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 790 transitions. Word has length 32 [2019-11-15 23:37:41,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:37:41,937 INFO L462 AbstractCegarLoop]: Abstraction has 299 states and 790 transitions. [2019-11-15 23:37:41,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 23:37:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 790 transitions. [2019-11-15 23:37:41,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:37:41,942 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:37:41,942 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 23:37:41,943 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:37:41,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:37:41,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2114330381, now seen corresponding path program 3 times [2019-11-15 23:37:41,943 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:37:41,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508966504] [2019-11-15 23:37:41,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:41,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:37:41,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:37:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:37:42,092 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 23:37:42,092 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508966504] [2019-11-15 23:37:42,092 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:37:42,092 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:37:42,093 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700930986] [2019-11-15 23:37:42,093 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:37:42,093 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:37:42,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:37:42,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:37:42,094 INFO L87 Difference]: Start difference. First operand 299 states and 790 transitions. Second operand 7 states. [2019-11-15 23:37:42,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:37:42,188 INFO L93 Difference]: Finished difference Result 245 states and 628 transitions. [2019-11-15 23:37:42,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:37:42,188 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 23:37:42,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:37:42,189 INFO L225 Difference]: With dead ends: 245 [2019-11-15 23:37:42,189 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:37:42,189 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:37:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:37:42,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:37:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:37:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:37:42,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-15 23:37:42,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:37:42,190 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:37:42,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:37:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:37:42,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:37:42,195 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:37:42,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:37:42 BasicIcfg [2019-11-15 23:37:42,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:37:42,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:37:42,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:37:42,199 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:37:42,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:37:39" (3/4) ... [2019-11-15 23:37:42,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:37:42,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:37:42,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:37:42,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 23:37:42,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:37:42,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:37:42,286 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ac0b2be-4c85-47ee-8645-abdb428c86e8/bin/uautomizer/witness.graphml [2019-11-15 23:37:42,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:37:42,288 INFO L168 Benchmark]: Toolchain (without parser) took 3578.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 938.1 MB in the beginning and 830.6 MB in the end (delta: 107.5 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:42,289 INFO L168 Benchmark]: CDTParser took 0.20 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 23:37:42,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:42,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.86 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 23:37:42,290 INFO L168 Benchmark]: Boogie Preprocessor took 22.72 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 23:37:42,290 INFO L168 Benchmark]: RCFGBuilder took 361.47 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:42,291 INFO L168 Benchmark]: TraceAbstraction took 2385.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 837.7 MB in the end (delta: 222.7 MB). Peak memory consumption was 222.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:42,296 INFO L168 Benchmark]: Witness Printer took 87.86 ms. Allocated memory is still 1.2 GB. Free memory was 837.7 MB in the beginning and 830.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:37:42,298 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 675.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.86 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 22.72 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 361.47 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: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2385.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 837.7 MB in the end (delta: 222.7 MB). Peak memory consumption was 222.7 MB. Max. memory is 11.5 GB. * Witness Printer took 87.86 ms. Allocated memory is still 1.2 GB. Free memory was 837.7 MB in the beginning and 830.6 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 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, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 271 SDtfs, 411 SDslu, 749 SDs, 0 SdLazy, 120 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred 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, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 17934 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...