./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label35_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label35_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5075b92abebcbe37fcff17adbe2d1154240de3f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:43:29,543 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:43:29,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:43:29,552 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:43:29,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:43:29,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:43:29,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:43:29,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:43:29,556 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:43:29,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:43:29,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:43:29,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:43:29,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:43:29,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:43:29,559 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:43:29,560 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:43:29,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:43:29,562 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:43:29,563 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:43:29,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:43:29,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:43:29,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:43:29,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:43:29,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:43:29,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:43:29,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:43:29,569 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:43:29,570 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:43:29,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:43:29,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:43:29,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:43:29,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:43:29,572 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:43:29,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:43:29,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:43:29,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:43:29,573 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 09:43:29,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:43:29,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:43:29,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:43:29,581 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 09:43:29,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:43:29,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:43:29,582 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:43:29,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:43:29,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:43:29,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:43:29,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:43:29,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:43:29,582 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:43:29,582 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:43:29,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:43:29,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:43:29,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:43:29,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:43:29,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:43:29,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:43:29,583 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:43:29,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:43:29,584 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:43:29,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:43:29,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:43:29,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:43:29,584 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:43:29,584 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:43:29,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:43:29,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:43:29,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5075b92abebcbe37fcff17adbe2d1154240de3f [2018-11-18 09:43:29,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:43:29,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:43:29,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:43:29,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:43:29,625 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:43:29,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-11-18 09:43:29,672 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/data/3a54b7db3/d5aa9aa177d94c4c97fdd3f7aff8344d/FLAG66139dd22 [2018-11-18 09:43:30,057 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:43:30,057 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/sv-benchmarks/c/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-11-18 09:43:30,067 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/data/3a54b7db3/d5aa9aa177d94c4c97fdd3f7aff8344d/FLAG66139dd22 [2018-11-18 09:43:30,430 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/data/3a54b7db3/d5aa9aa177d94c4c97fdd3f7aff8344d [2018-11-18 09:43:30,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:43:30,433 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:43:30,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:43:30,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:43:30,436 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:43:30,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6180e9b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30, skipping insertion in model container [2018-11-18 09:43:30,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:43:30,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:43:30,715 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:43:30,717 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:43:30,785 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:43:30,798 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:43:30,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30 WrapperNode [2018-11-18 09:43:30,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:43:30,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:43:30,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:43:30,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:43:30,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... [2018-11-18 09:43:30,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:43:30,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:43:30,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:43:30,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:43:30,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:43:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:43:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:43:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 09:43:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:43:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 09:43:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:43:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:43:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:43:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:43:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:43:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:43:31,931 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:43:31,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:43:31 BoogieIcfgContainer [2018-11-18 09:43:31,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:43:31,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:43:31,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:43:31,937 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:43:31,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:43:30" (1/3) ... [2018-11-18 09:43:31,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700b3851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:43:31, skipping insertion in model container [2018-11-18 09:43:31,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:43:30" (2/3) ... [2018-11-18 09:43:31,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700b3851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:43:31, skipping insertion in model container [2018-11-18 09:43:31,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:43:31" (3/3) ... [2018-11-18 09:43:31,940 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label35_true-unreach-call.c [2018-11-18 09:43:31,946 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:43:31,951 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:43:31,960 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:43:31,981 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:43:31,981 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:43:31,981 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:43:31,981 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:43:31,981 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:43:31,981 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:43:31,982 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:43:31,982 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:43:31,982 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:43:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 09:43:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 09:43:32,005 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:32,005 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:43:32,007 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:32,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:32,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1718908404, now seen corresponding path program 1 times [2018-11-18 09:43:32,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:43:32,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:43:32,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:32,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:32,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:43:32,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:43:32,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:43:32,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:43:32,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:43:32,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:43:32,255 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 09:43:32,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:32,812 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 09:43:32,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:43:32,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-11-18 09:43:32,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:32,823 INFO L225 Difference]: With dead ends: 574 [2018-11-18 09:43:32,823 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 09:43:32,827 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:43:32,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 09:43:32,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 09:43:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 09:43:32,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 09:43:32,866 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 58 [2018-11-18 09:43:32,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:32,867 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 09:43:32,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:43:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 09:43:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 09:43:32,870 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:32,871 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:43:32,871 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:32,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:32,871 INFO L82 PathProgramCache]: Analyzing trace with hash -2064846773, now seen corresponding path program 1 times [2018-11-18 09:43:32,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:43:32,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:43:32,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:32,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:32,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:43:32,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:43:32,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:43:32,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:43:32,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:43:32,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:43:32,995 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-18 09:43:33,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:33,918 INFO L93 Difference]: Finished difference Result 1287 states and 2312 transitions. [2018-11-18 09:43:33,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:43:33,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-18 09:43:33,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:33,924 INFO L225 Difference]: With dead ends: 1287 [2018-11-18 09:43:33,924 INFO L226 Difference]: Without dead ends: 937 [2018-11-18 09:43:33,927 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:43:33,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-11-18 09:43:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 924. [2018-11-18 09:43:33,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-18 09:43:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1441 transitions. [2018-11-18 09:43:33,965 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1441 transitions. Word has length 141 [2018-11-18 09:43:33,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:33,966 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1441 transitions. [2018-11-18 09:43:33,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:43:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1441 transitions. [2018-11-18 09:43:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 09:43:33,969 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:33,970 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:43:33,970 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:33,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:33,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1308524843, now seen corresponding path program 1 times [2018-11-18 09:43:33,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:43:33,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:43:33,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:33,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:33,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:34,133 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:43:34,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:43:34,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:43:34,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:43:34,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:43:34,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:43:34,134 INFO L87 Difference]: Start difference. First operand 924 states and 1441 transitions. Second operand 6 states. [2018-11-18 09:43:34,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:34,947 INFO L93 Difference]: Finished difference Result 2533 states and 4079 transitions. [2018-11-18 09:43:34,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:43:34,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-18 09:43:34,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:34,953 INFO L225 Difference]: With dead ends: 2533 [2018-11-18 09:43:34,953 INFO L226 Difference]: Without dead ends: 1615 [2018-11-18 09:43:34,956 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:43:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2018-11-18 09:43:34,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1584. [2018-11-18 09:43:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1584 states. [2018-11-18 09:43:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2317 transitions. [2018-11-18 09:43:34,985 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2317 transitions. Word has length 157 [2018-11-18 09:43:34,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:34,986 INFO L480 AbstractCegarLoop]: Abstraction has 1584 states and 2317 transitions. [2018-11-18 09:43:34,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:43:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2317 transitions. [2018-11-18 09:43:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 09:43:34,989 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:34,989 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:43:34,990 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:34,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:34,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1203673723, now seen corresponding path program 1 times [2018-11-18 09:43:34,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:43:34,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:43:34,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:34,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:34,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:43:35,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:43:35,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:43:35,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:43:35,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:43:35,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:43:35,110 INFO L87 Difference]: Start difference. First operand 1584 states and 2317 transitions. Second operand 6 states. [2018-11-18 09:43:35,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:35,614 INFO L93 Difference]: Finished difference Result 3504 states and 5314 transitions. [2018-11-18 09:43:35,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:43:35,615 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-11-18 09:43:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:35,622 INFO L225 Difference]: With dead ends: 3504 [2018-11-18 09:43:35,622 INFO L226 Difference]: Without dead ends: 1926 [2018-11-18 09:43:35,625 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:43:35,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2018-11-18 09:43:35,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1885. [2018-11-18 09:43:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1885 states. [2018-11-18 09:43:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2677 transitions. [2018-11-18 09:43:35,663 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2677 transitions. Word has length 181 [2018-11-18 09:43:35,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:35,663 INFO L480 AbstractCegarLoop]: Abstraction has 1885 states and 2677 transitions. [2018-11-18 09:43:35,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:43:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2677 transitions. [2018-11-18 09:43:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 09:43:35,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:43:35,668 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:43:35,668 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:43:35,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:43:35,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1057306172, now seen corresponding path program 1 times [2018-11-18 09:43:35,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:43:35,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:43:35,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:35,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:35,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:43:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:43:35,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:43:35,773 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:43:35,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:43:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:43:35,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:43:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 171 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:43:35,943 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:43:35,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 09:43:35,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:43:35,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:43:35,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:43:35,945 INFO L87 Difference]: Start difference. First operand 1885 states and 2677 transitions. Second operand 9 states. [2018-11-18 09:43:37,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:43:37,216 INFO L93 Difference]: Finished difference Result 5482 states and 8945 transitions. [2018-11-18 09:43:37,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:43:37,217 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 212 [2018-11-18 09:43:37,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:43:37,217 INFO L225 Difference]: With dead ends: 5482 [2018-11-18 09:43:37,218 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:43:37,244 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:43:37,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:43:37,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:43:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:43:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:43:37,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-11-18 09:43:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:43:37,245 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:43:37,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:43:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:43:37,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:43:37,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:43:37,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:43:37,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:43:37,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:43:37,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:43:37,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:43:37,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:43:37,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:43:37,637 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 09:43:37,638 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,639 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 09:43:37,640 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 09:43:37,641 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 09:43:37,642 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 09:43:37,643 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 09:43:37,644 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 09:43:37,645 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,646 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 09:43:37,647 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,648 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 09:43:37,649 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)))) (and (or (= 7 |old(~a19~0)|) (= 10 |old(~a19~0)|) .cse0) (or .cse0 (< 2 |old(~a10~0)|)))) [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,650 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 09:43:37,651 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 09:43:37,652 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 09:43:37,653 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 09:43:37,653 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 09:43:37,653 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 09:43:37,669 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 09:43:37,669 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 09:43:37,669 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,669 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,669 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,669 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,669 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 09:43:37,670 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 09:43:37,671 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 09:43:37,671 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:43:37,671 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (<= ~a10~0 2)) [2018-11-18 09:43:37,671 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:43:37,671 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:43:37,671 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (= 10 |old(~a19~0)|) (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (< 2 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-18 09:43:37,671 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 09:43:37,671 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (and (not (= ~a19~0 7)) (not (= ~a19~0 10))) (= 10 |old(~a19~0)|) (<= ~a10~0 2) (< 2 |old(~a10~0)|) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|)) [2018-11-18 09:43:37,672 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 09:43:37,672 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 09:43:37,672 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 09:43:37,672 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (and (not (= ~a19~0 7)) (not (= ~a19~0 10))) (= 10 |old(~a19~0)|) (<= ~a10~0 2) (< 2 |old(~a10~0)|) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|)) [2018-11-18 09:43:37,672 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 09:43:37,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:43:37 BoogieIcfgContainer [2018-11-18 09:43:37,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:43:37,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:43:37,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:43:37,683 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:43:37,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:43:31" (3/4) ... [2018-11-18 09:43:37,686 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:43:37,691 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:43:37,691 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 09:43:37,692 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:43:37,700 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 09:43:37,700 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:43:37,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(a19 == 7) && !(a19 == 10)) || 10 == \old(a19)) || a10 <= 2) || 2 < \old(a10)) || 23 < \old(a1)) || 7 == \old(a19) [2018-11-18 09:43:37,790 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_619058e6-3fa8-42f7-b57a-bfe3b5f57778/bin-2019/uautomizer/witness.graphml [2018-11-18 09:43:37,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:43:37,791 INFO L168 Benchmark]: Toolchain (without parser) took 7358.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.2 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -420.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:43:37,791 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:43:37,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.8 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:43:37,792 INFO L168 Benchmark]: Boogie Preprocessor took 116.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:43:37,792 INFO L168 Benchmark]: RCFGBuilder took 1015.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:43:37,792 INFO L168 Benchmark]: TraceAbstraction took 5750.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 265.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -362.2 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:43:37,792 INFO L168 Benchmark]: Witness Printer took 106.64 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:43:37,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 918.8 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -208.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1015.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5750.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 265.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -362.2 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. * Witness Printer took 106.64 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 157]: 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 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((!(a19 == 7) && !(a19 == 10)) || 10 == \old(a19)) || a10 <= 2) || 2 < \old(a10)) || 23 < \old(a1)) || 7 == \old(a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 457 SDtfs, 3627 SDslu, 560 SDs, 0 SdLazy, 5382 SolverSat, 1399 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 227 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1885occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 85 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 165 NumberOfFragments, 138 HoareAnnotationTreeSize, 73 FomulaSimplifications, 3902 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2101 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 961 NumberOfCodeBlocks, 961 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 955 ConstructedInterpolants, 0 QuantifiedInterpolants, 543214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 387 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 495/499 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...