./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/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 c5d4c7b38a296f79910d0f6d17d9b88307731454 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:45:47,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:45:47,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:45:47,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:45:47,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:45:47,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:45:47,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:45:47,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:45:47,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:45:47,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:45:47,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:45:47,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:45:47,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:45:47,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:45:47,522 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:45:47,523 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:45:47,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:45:47,525 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:45:47,526 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:45:47,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:45:47,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:45:47,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:45:47,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:45:47,530 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:45:47,530 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:45:47,531 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:45:47,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:45:47,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:45:47,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:45:47,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:45:47,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:45:47,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:45:47,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:45:47,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:45:47,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:45:47,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:45:47,535 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 05:45:47,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:45:47,545 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:45:47,545 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:45:47,545 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:45:47,546 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:45:47,546 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:45:47,546 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 05:45:47,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:45:47,546 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:45:47,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:45:47,547 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:45:47,548 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:45:47,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:45:47,548 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:45:47,548 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:45:47,548 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:45:47,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:45:47,548 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:45:47,549 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:45:47,549 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:45:47,549 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 05:45:47,549 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:45:47,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:45:47,549 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_223d4585-e3a0-481a-9801-8ed7604de541/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 -> c5d4c7b38a296f79910d0f6d17d9b88307731454 [2018-11-23 05:45:47,571 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:45:47,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:45:47,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:45:47,583 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:45:47,583 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:45:47,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-11-23 05:45:47,619 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/data/65d802883/8b1c3aadc6c5438d999610d65597317b/FLAGc7296bd09 [2018-11-23 05:45:48,093 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:45:48,094 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/sv-benchmarks/c/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-11-23 05:45:48,102 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/data/65d802883/8b1c3aadc6c5438d999610d65597317b/FLAGc7296bd09 [2018-11-23 05:45:48,601 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/data/65d802883/8b1c3aadc6c5438d999610d65597317b [2018-11-23 05:45:48,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:45:48,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:45:48,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:45:48,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:45:48,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:45:48,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:48,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48, skipping insertion in model container [2018-11-23 05:45:48,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:48,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:45:48,658 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:45:48,903 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:45:48,906 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:45:48,974 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:45:48,986 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:45:48,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48 WrapperNode [2018-11-23 05:45:48,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:45:48,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:45:48,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:45:48,988 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:45:49,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:45:49,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:45:49,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:45:49,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:45:49,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... [2018-11-23 05:45:49,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:45:49,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:45:49,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:45:49,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:45:49,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:45:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:45:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:45:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:45:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 05:45:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 05:45:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:45:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:45:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:45:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:45:49,866 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:45:49,866 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 05:45:49,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:45:49 BoogieIcfgContainer [2018-11-23 05:45:49,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:45:49,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:45:49,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:45:49,870 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:45:49,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:45:48" (1/3) ... [2018-11-23 05:45:49,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6957169f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:45:49, skipping insertion in model container [2018-11-23 05:45:49,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:45:48" (2/3) ... [2018-11-23 05:45:49,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6957169f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:45:49, skipping insertion in model container [2018-11-23 05:45:49,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:45:49" (3/3) ... [2018-11-23 05:45:49,872 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label36_true-unreach-call_false-termination.c [2018-11-23 05:45:49,879 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:45:49,884 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:45:49,893 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:45:49,913 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 05:45:49,914 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:45:49,914 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:45:49,914 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:45:49,914 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:45:49,914 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:45:49,914 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:45:49,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:45:49,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:45:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 05:45:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 05:45:49,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:45:49,938 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:45:49,940 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:45:49,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:45:49,944 INFO L82 PathProgramCache]: Analyzing trace with hash 92920350, now seen corresponding path program 1 times [2018-11-23 05:45:49,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:45:49,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:45:49,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:49,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:45:49,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:45:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:45:50,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:45:50,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:45:50,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:45:50,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:45:50,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:45:50,237 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 05:45:50,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:45:50,737 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 05:45:50,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:45:50,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-11-23 05:45:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:45:50,749 INFO L225 Difference]: With dead ends: 547 [2018-11-23 05:45:50,749 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 05:45:50,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:45:50,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 05:45:50,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 05:45:50,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 05:45:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 551 transitions. [2018-11-23 05:45:50,795 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 551 transitions. Word has length 108 [2018-11-23 05:45:50,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:45:50,796 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 551 transitions. [2018-11-23 05:45:50,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:45:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 551 transitions. [2018-11-23 05:45:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 05:45:50,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:45:50,799 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:45:50,799 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:45:50,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:45:50,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1820777163, now seen corresponding path program 1 times [2018-11-23 05:45:50,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:45:50,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:45:50,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:50,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:45:50,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:45:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:45:50,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:45:50,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:45:50,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:45:50,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:45:50,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:45:50,887 INFO L87 Difference]: Start difference. First operand 338 states and 551 transitions. Second operand 6 states. [2018-11-23 05:45:51,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:45:51,547 INFO L93 Difference]: Finished difference Result 1067 states and 1827 transitions. [2018-11-23 05:45:51,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:45:51,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-11-23 05:45:51,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:45:51,556 INFO L225 Difference]: With dead ends: 1067 [2018-11-23 05:45:51,556 INFO L226 Difference]: Without dead ends: 735 [2018-11-23 05:45:51,558 INFO L631 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 [2018-11-23 05:45:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-11-23 05:45:51,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 720. [2018-11-23 05:45:51,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-23 05:45:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1141 transitions. [2018-11-23 05:45:51,590 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1141 transitions. Word has length 118 [2018-11-23 05:45:51,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:45:51,590 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1141 transitions. [2018-11-23 05:45:51,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:45:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1141 transitions. [2018-11-23 05:45:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 05:45:51,593 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:45:51,593 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:45:51,593 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:45:51,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:45:51,594 INFO L82 PathProgramCache]: Analyzing trace with hash 871696247, now seen corresponding path program 1 times [2018-11-23 05:45:51,594 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:45:51,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:45:51,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:51,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:45:51,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:45:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:45:51,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:45:51,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:45:51,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:45:51,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:45:51,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:45:51,700 INFO L87 Difference]: Start difference. First operand 720 states and 1141 transitions. Second operand 3 states. [2018-11-23 05:45:52,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:45:52,033 INFO L93 Difference]: Finished difference Result 2053 states and 3358 transitions. [2018-11-23 05:45:52,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:45:52,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-11-23 05:45:52,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:45:52,039 INFO L225 Difference]: With dead ends: 2053 [2018-11-23 05:45:52,039 INFO L226 Difference]: Without dead ends: 1339 [2018-11-23 05:45:52,041 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:45:52,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2018-11-23 05:45:52,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1338. [2018-11-23 05:45:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2018-11-23 05:45:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1966 transitions. [2018-11-23 05:45:52,073 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1966 transitions. Word has length 119 [2018-11-23 05:45:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:45:52,073 INFO L480 AbstractCegarLoop]: Abstraction has 1338 states and 1966 transitions. [2018-11-23 05:45:52,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:45:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1966 transitions. [2018-11-23 05:45:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 05:45:52,077 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:45:52,077 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:45:52,077 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:45:52,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:45:52,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1487430129, now seen corresponding path program 1 times [2018-11-23 05:45:52,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:45:52,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:45:52,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:52,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:45:52,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:45:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:45:52,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:45:52,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 05:45:52,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 05:45:52,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 05:45:52,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 05:45:52,324 INFO L87 Difference]: Start difference. First operand 1338 states and 1966 transitions. Second operand 5 states. [2018-11-23 05:45:52,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:45:52,935 INFO L93 Difference]: Finished difference Result 2805 states and 4185 transitions. [2018-11-23 05:45:52,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:45:52,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-11-23 05:45:52,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:45:52,942 INFO L225 Difference]: With dead ends: 2805 [2018-11-23 05:45:52,942 INFO L226 Difference]: Without dead ends: 1337 [2018-11-23 05:45:52,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 05:45:52,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2018-11-23 05:45:52,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1337. [2018-11-23 05:45:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1337 states. [2018-11-23 05:45:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1955 transitions. [2018-11-23 05:45:52,976 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1955 transitions. Word has length 120 [2018-11-23 05:45:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:45:52,976 INFO L480 AbstractCegarLoop]: Abstraction has 1337 states and 1955 transitions. [2018-11-23 05:45:52,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 05:45:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1955 transitions. [2018-11-23 05:45:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 05:45:52,980 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:45:52,980 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:45:52,980 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:45:52,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:45:52,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1457575395, now seen corresponding path program 1 times [2018-11-23 05:45:52,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 05:45:52,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 05:45:52,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:52,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:45:52,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:45:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:45:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:45:53,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:45:53,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:45:53,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:45:53,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:45:53,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:45:53,096 INFO L87 Difference]: Start difference. First operand 1337 states and 1955 transitions. Second operand 4 states. [2018-11-23 05:45:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:45:53,704 INFO L93 Difference]: Finished difference Result 3068 states and 4508 transitions. [2018-11-23 05:45:53,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:45:53,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2018-11-23 05:45:53,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:45:53,707 INFO L225 Difference]: With dead ends: 3068 [2018-11-23 05:45:53,707 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:45:53,711 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:45:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:45:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:45:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:45:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:45:53,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2018-11-23 05:45:53,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:45:53,712 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:45:53,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:45:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:45:53,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:45:53,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:45:53,924 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 51 [2018-11-23 05:45:53,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:45:53,973 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a16~0)| ~a16~0) [2018-11-23 05:45:53,973 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:45:53,973 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 05:45:53,973 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 05:45:53,973 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,973 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,973 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 05:45:53,974 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,975 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 05:45:53,976 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 05:45:53,977 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 482) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 05:45:53,978 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 05:45:53,979 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 05:45:53,980 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 05:45:53,981 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 05:45:53,982 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,983 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 05:45:53,984 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,985 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 05:45:53,986 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 05:45:53,987 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 05:45:53,988 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 05:45:53,989 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= 1 |old(~a7~0)|))) (let ((.cse3 (= |old(~a16~0)| ~a16~0)) (.cse4 (not .cse0)) (.cse2 (= 13 |old(~a8~0)|)) (.cse1 (not (= 8 ~a12~0)))) (and (or (not (= 1 |old(~a21~0)|)) .cse0 (not (= 1 |old(~a20~0)|)) (not (= 4 |old(~a16~0)|)) .cse1 (and (not (= ~a7~0 1)) (= 1 ~a20~0) (= 13 ~a8~0) (= 1 ~a21~0) (= 1 ~a17~0)) (not .cse2) (not (= 1 |old(~a17~0)|))) (or .cse3 .cse2 .cse1) (or (= 5 |old(~a16~0)|) .cse3 .cse1) (or (= 1 ~a7~0) .cse1 .cse4) (or .cse3 .cse1 .cse4) (or (not (= ~a8~0 13)) .cse2 .cse1)))) [2018-11-23 05:45:53,989 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 05:45:53,989 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,989 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,989 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,989 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,989 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 05:45:53,989 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 05:45:53,990 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,991 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 05:45:53,992 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,993 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 05:45:53,994 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 05:45:53,995 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 05:45:53,995 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 05:45:53,995 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 05:45:53,995 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 05:45:53,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:45:53,995 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= ~a12~0 8) (not (= ~a8~0 13))) [2018-11-23 05:45:53,995 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:45:53,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:45:53,995 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0))) [2018-11-23 05:45:53,996 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 05:45:53,996 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= ~a8~0 13)) (= 6 |old(~a16~0)|) (= 1 ~a7~0) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (not (= 5 ~a16~0))) [2018-11-23 05:45:53,996 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 05:45:53,996 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 05:45:53,996 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (not (= ~a8~0 13)) (= 6 |old(~a16~0)|) (= 1 ~a7~0) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (not (= 5 ~a16~0))) [2018-11-23 05:45:53,996 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 05:45:54,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:45:54 BoogieIcfgContainer [2018-11-23 05:45:54,008 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:45:54,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:45:54,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:45:54,009 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:45:54,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:45:49" (3/4) ... [2018-11-23 05:45:54,012 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:45:54,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:45:54,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 05:45:54,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:45:54,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 05:45:54,027 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 05:45:54,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(a8 == 13) || 6 == \old(a16)) || 1 == a7) || 13 == \old(a8)) || !(8 == a12)) || !(5 == a16) [2018-11-23 05:45:54,131 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_223d4585-e3a0-481a-9801-8ed7604de541/bin-2019/uautomizer/witness.graphml [2018-11-23 05:45:54,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:45:54,132 INFO L168 Benchmark]: Toolchain (without parser) took 5528.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 348.7 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -383.8 MB). Peak memory consumption was 434.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:45:54,133 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:45:54,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.12 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-11-23 05:45:54,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -245.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:45:54,133 INFO L168 Benchmark]: Boogie Preprocessor took 49.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:45:54,134 INFO L168 Benchmark]: RCFGBuilder took 755.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:45:54,136 INFO L168 Benchmark]: TraceAbstraction took 4141.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 868.7 MB in the end (delta: 185.6 MB). Peak memory consumption was 350.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:45:54,137 INFO L168 Benchmark]: Witness Printer took 123.03 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.8 MB). Free memory was 868.7 MB in the beginning and 1.3 GB in the end (delta: -471.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-23 05:45:54,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.12 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -245.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 755.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 101.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4141.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 165.2 MB). Free memory was 1.1 GB in the beginning and 868.7 MB in the end (delta: 185.6 MB). Peak memory consumption was 350.8 MB. Max. memory is 11.5 GB. * Witness Printer took 123.03 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 17.8 MB). Free memory was 868.7 MB in the beginning and 1.3 GB in the end (delta: -471.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 482]: 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: 583]: Loop Invariant Derived loop invariant: ((((!(a8 == 13) || 6 == \old(a16)) || 1 == a7) || 13 == \old(a8)) || !(8 == a12)) || !(5 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 880 SDtfs, 1754 SDslu, 330 SDs, 0 SdLazy, 2985 SolverSat, 753 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 7 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1338occurred in iteration=3, 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, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 41 PreInvPairs, 65 NumberOfFragments, 183 HoareAnnotationTreeSize, 41 FomulaSimplifications, 436 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 348 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 621 ConstructedInterpolants, 0 QuantifiedInterpolants, 407799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 74/74 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...